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Nanjemoy Formation

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The Nanjemoy Formation is a geologic formation pertaining to both the Wilcox Group and the Pamunkey Group of the eastern United States, stretching across the states of Virginia , Maryland , and the District of Columbia . The formation crops out east of the Appalachians and dates back to the Paleogene period . Specifically to the Ypresian stage of the Early Eocene epoch, about 55 to 50 Ma or Wasatchian in the NALMA classification , defined by the contemporaneous Wasatch Formation of the Pacific US coast.

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117-605: The about 20 metres (66 ft) thin formation crops out in a narrow irregular band and only in certain of the many creeks of the Maryland peninsula and on the southern side of the Potomac River in Virginia. The two members the formation was divided into by Clark and Martin in 1901; Potapaco and Woodstock, represent different phases in the basin history. The lower Potapaco Member is much more clayey, described as marl , than

234-569: A civil engineer and mining manager in Fayette County . Former West Virginia governor William A. MacCorkle described him as a man who knew the land "as a farmer knows a field". Beginning in 1898, Page teamed with northern and European-based investors to take advantage of the undeveloped area. They acquired large tracts of land in the area, and Page began the Deepwater Railway , a short-line railroad chartered to stretch between

351-548: A tristate area , with Wheeling , Weirton , and Morgantown just across the border from the Pittsburgh metropolitan area. Huntington in the southwest is close to Ohio and Kentucky, while Martinsburg and Harpers Ferry in the eastern panhandle region are considered part of the Washington metropolitan area, between Maryland and Virginia. West Virginia is often included in several U.S. geographical regions, including

468-687: A company of gentlemen the land between the Potomac and Rappahannock rivers, known as the Northern Neck . Thomas Fairfax, 6th Lord Fairfax of Cameron ultimately took possession of this grant, and in 1746 a stone was erected at the source of the North Branch Potomac River to mark his grant's western limit. George Washington surveyed a considerable part of this land between 1748 and 1751. His diary recorded that there were already many squatters, largely of German origin, along

585-531: A compromise demanded by the Kanawha region (Charleston lawyers Benjamin Smith and Brown) allowed counties and municipalities to vote subsidies for railroads or other improvement organizations. The resulting instrument was ratified (18,162 for and 514 against) on April 11, 1862. On May 13, 1862, the state legislature of the reorganized government approved the formation of the new state. An application for admission to

702-519: A constitution for the new state, beginning on November 26, 1861. During that constitutional convention, a Mr. Lamb of Ohio County and a Mr. Carskadon claimed that in Hampshire County, out of 195 votes only 39 were cast by citizens of the state; the rest were cast illegally by Union soldiers. One of the key figures was Gordon Battelle , who also represented Ohio County, and who proposed resolutions to establish public schools, as well as to limit

819-565: A constitutional convention met in Richmond to consider reforms to Virginia's outdated constitution. Philip Doddridge of Brooke County championed the cause of western Virginians who sought a more democratic frame of government, but western reforms were rejected by leaders from east of the Alleghenies who "clung to political power in an effort to preserve their plantation lifestyles dependent on enslaving blacks". Virginia leaders maintained

936-531: A convention to meet in Wheeling on May 13, 1861. When this First Wheeling Convention met, 425 delegates from 25 counties were present, though more than one-third of the delegates were from the northern panhandle area. Soon there was a division of sentiment. Some delegates led by pro-Union slaveowner John S. Carlile favored the immediate formation of a new state, while others led by Waitman Willey argued that, as Virginia's secession had not yet been passed by

1053-624: A flat rye bread called "bannock" as they emerged from the protohistoric era. A horizon extending from a little before the early 18th century is sometimes called the acculturating Fireside Cabin culture . Trading posts were established by European traders along the Potomac and James rivers . Tribes that inhabited West Virginia as of 1600 were the Siouan Monongahela Culture to the north, the Fort Ancient culture along

1170-438: A fourth of the registered voters cast votes. In most of what would become West Virginia, there was no vote at all, as two-thirds of the territory of West Virginia had voted for secession, and county officers remained loyal to Richmond. Votes recorded from pro-secession counties were mostly cast elsewhere by Unionist refugees from these counties. Despite that controversy, delegates (including many Methodist ministers) met to write

1287-720: A joint resolution recognizing the transfer. The Supreme Court decided in West Virginia's favor in 1870. The original charters for Maryland and Virginia were silent as to which branch of the upper Potomac was the boundary. This was settled by the 1785 Mount Vernon Conference . Nevertheless, when West Virginia seceded from Virginia, Maryland claimed West Virginia land north of the South Branch (all of Mineral and Grant Counties and parts of Hampshire , Hardy , Tucker and Pendleton Counties). The Supreme Court rejected these claims in two separate decisions in 1910. During

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1404-509: A popular vote on the formation of a new state and for a convention to frame a constitution if the vote were favorable. In the October 24, 1861, election, 18,408 votes were cast for the new state and 781 against. The election results were questioned since the Union army then occupied the area and Union troops were stationed at many of the polls to prevent Confederate sympathizers from voting. This

1521-486: A property qualification for suffrage , effectively disenfranchising poorer farmers in the west whose families did much of the farm work themselves. In addition, the 1829–30 convention gave slaveholding counties the benefit of three-fifths of their slave population in apportioning the state's representation in the U.S. House of Representatives. As a result, every county west of the Alleghenies except one voted to reject

1638-640: A provision for the gradual abolition of slavery be inserted in its constitution (as Battelle had urged in the Wheeling Intelligencer and also written to Lincoln). While many felt West Virginia's admission as a state was both illegal and unconstitutional, Lincoln issued his Opinion on the Admission of West Virginia finding that "the body which consents to the admission of West Virginia is the Legislature of Virginia", and that its admission

1755-618: A rival state government and two U.S. senators (Willey and Carlile) to replace secessionists before adjourning. The federal government promptly recognized the new government and seated the two new senators. Thus there were two state governments in Virginia: one pledging allegiance to the United States and one to the Confederacy . The second Wheeling Convention had recessed until August 6, then reassembled on August 20 and called for

1872-531: A suitable artificial substrate for oysters in a reef-like environment. Marl has been used in the manufacture of Portland cement. It is abundant and yields better physical and mechanical properties than metakaolin as a supplementary cementitious material and can be calcined at a considerably lower temperature. The Channel Tunnel was constructed in the West Melbury Marly Chalk, a geological formation containing marl beds. This formation

1989-489: A very low permeability , they have been exploited for construction of the Channel Tunnel between England and France and are being investigated for the storage of nuclear waste . Marl is one of the oldest soil amendments used in agriculture. In addition to increasing available calcium, marl is valuable for improving soil structure and decreasing soil acidity and thereby making other nutrients more available. It

2106-575: A whole, but in the western counties 34,677 voted against and 19,121 voted for the ordinance. The Second Wheeling Convention met as agreed on June 11 and declared that, since the Secession Convention had been called without popular consent, all its acts were void and all who adhered to it had vacated their offices. The Wheeling Conventions, and the delegates themselves, were never actually elected by public ballot to act on behalf of western Virginia. Of its 103 members, 33 had been elected to

2223-548: A wide range of outdoor recreational opportunities, including skiing , whitewater rafting , fishing , hiking , backpacking , mountain biking , rock climbing , and hunting . From the Great Depression to the 1990s, the state voted heavily for the Democratic Party due to its tradition of union-based politics. Since then, the state has become heavily Republican , and is considered a "deep red" state at

2340-501: Is bituminous coal , and the official state gemstone is silicified Mississippian fossil Lithostrotionella coral. The limestone also produced a useful quarry industry. Usually small, and softer, high-calcium seams were burned to produce industrial lime. This lime was used for agricultural and construction purposes; for many years a specific portion of the C & O Railroad carried limestone rock to Clifton Forge, Virginia as an industrial flux. Salt mining had been underway since

2457-415: Is an indurated (resists crumbling or powdering) rock of about the same composition as marl. This is more correctly described as an earthy or impure argillaceous limestone . It has a blocky subconchoidal fracture, and is less fissile than shale . The dominant carbonate mineral in most marls is calcite , but other carbonate minerals such as aragonite or dolomite may be present. Glauconitic marl

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2574-725: Is based on 2010 estimated census data. The Nanjemoy Formation belongs to two geologic groups; the Wilcox Group of the Gulf of Mexico Basin in the southernmost surface expression of the formation and the Pamunkey Group in the northern and central portions from Maryland in the north through Virginia and the Carolinas . Both geologic groups have been dated to the early Paleogene ; the Paleocene and Eocene periods, or in

2691-564: Is marl containing pellets of glauconite , a clay mineral that gives the marl a green color. Glauconite is characteristic of sediments deposited in marine conditions. The lower stratigraphic units of the chalk cliffs of Dover consist of a sequence of glauconitic marls followed by rhythmically banded limestone and marl layers. Such alternating cycles of chalk and marl are common in Cretaceous beds of northwestern Europe. The Channel Tunnel follows these marl layers between France and

2808-480: Is overlain in most places by the Calvert Formation (Tc). The unit is present only in the southeastern part of the map area of Washington D.C., and it reaches a maximum thickness of about 20 metres (66 ft). The formation comprises glauconitic quartz sand , dark-grayish-green to olive-black (tan to orange where weathered ), fine to medium-grained; and dark-greenish-gray silty clay . In places,

2925-575: Is the 10th-smallest state by area and ranks as the 12th-least populous state , with a population of 1,793,716 residents. The capital and most populous city is Charleston with a population of 49,055. West Virginia was admitted to the Union on June 20, 1863, and was a key border state during the American Civil War . It was the only state to form by separating from a Confederate state, one of two states (along with Nevada ) admitted to

3042-791: Is the name of a small thoroughfare in southeastern Charles County . Wigh or wik , representing "pleasant" and accomico "dwelling, village" was the native's way of telling the Europeans they liked living there. Potapaco was an early name for Port Tobacco Creek that was named after the Piscataway people. Mattawoman, found in Charles County, Prince George's County , and on the Eastern Shore, has remnants of not only Algonquin, but Fox and Ojibwe as well, and translates to "where one goes pleasantly." The Nanjemoy Formation

3159-1038: The Anacostia River , Antietam Creek , the Cacapon River , Catoctin Creek , Conococheague Creek , the Monocacy River , the North Branch , the South Branch , the Occoquan River , the Savage River , the Seneca Creek , and the Shenandoah River . The population of the basin is approximately 6.11 million (2010 estimated census). The population has increased by about five percent since 2005. The following information

3276-603: The Industrial Revolution in the U.S. and the steamships of many of the world's navies. The residents (both Native Americans and early European settlers) had long known of the underlying coal, and that it could be used for heating and fuel. However, for a long time, "personal" or artisanal mining was the only practical development. After the War, with the new railroads came a practical method to transport large quantities of coal to expanding U.S. and export markets. As

3393-593: The Ohio River in 1872 opened access to the New River Coal Field. Soon, the C&;O was building its huge coal pier at Newport News, Virginia , on the large harbor of Hampton Roads . In 1881, the new Philadelphia-based owners of the former Atlantic, Mississippi and Ohio Railroad (AM&O), which stretched across Virginia's southern tier from Norfolk , had sights clearly set on West Virginia, where

3510-736: The Restored Government . Most voted to separate from Virginia, and the new state was admitted to the Union in 1863. In 1864 a state constitutional convention drafted a constitution, which was ratified by the legislature without putting it to popular vote. West Virginia abolished slavery by a gradual process and temporarily disenfranchised those who had held Confederate office or fought for the Confederacy. West Virginia's history has been profoundly affected by its mountainous terrain, numerous and vast river valleys, and rich natural resources. These were all factors driving its economy and

3627-634: The South Branch Potomac River . Christopher Gist , a surveyor in the employ of the first Ohio Company , which was composed chiefly of Virginians, explored the country along the Ohio River north of the mouth of the Kanawha River between 1751 and 1752. The company sought to have a 14th colony established with the name " Vandalia ". Many settlers crossed the mountains after 1750, though they were hindered by Native American resistance. Few Native Americans lived permanently within

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3744-529: The Virginia Board of Public Works . Virginians—led by former Confederate general William Mahone —formed a political coalition based upon this: the Readjuster Party . West Virginia's first constitution provided for the assumption of a part of the Virginia debt, but negotiations opened by Virginia in 1870 were fruitless, and in 1871 Virginia funded two-thirds of the debt and arbitrarily assigned

3861-595: The Virginia Colony , sent a party from Fort Henry led by Thomas Batts and Robert Fallam to survey this territory. They were the first Europeans recorded as discovering Kanawha Falls . Some sources state that Governor Alexander Spotswood 's 1716 Knights of the Golden Horseshoe Expedition (for which the state's Golden Horseshoe Competition for 8th graders is named) had penetrated as far as Pendleton County , but modern historians interpret

3978-551: The Virginia Secession Convention of 1861 voted to secede from the Union, but of the 49 delegates from the northwestern corner (which ultimately became West Virginia) only 17 voted in favor of the Ordinance of Secession , while 30 voted against (with two abstentions). Almost immediately after that vote, a mass meeting at Clarksburg recommended that each county in northwestern Virginia send delegates to

4095-478: The anthracite mines of northwestern New Jersey and Pennsylvania began to play out during this same time period, investors and industrialists focused new interest in West Virginia. Geologists such as Dr. David T. Ansted surveyed potential coal fields and invested in land and early mining projects. The completion of the Chesapeake and Ohio Railway (C&O) across the state to the new city of Huntington on

4212-465: The 18th century, though it had largely played out by the time of the American Civil War, when the red salt of Kanawha County was a valued commodity of first Confederate, and later Union, forces. In the years following, more sophisticated mining methods would restore West Virginia's role as a major producer of salt. However, in the second half of the 19th century, there was an even greater treasure not yet developed: bituminous coal . It would fuel much of

4329-469: The 18th century. The marl was normally extracted close to its point of use, so that almost every field had a marl pit, but some marl was transported greater distances by railroad. However, marl was gradually replaced by lime and imported mineral fertilizers early in the 19th century. A similar historical pattern was seen in Scotland. Marl was one of a few soil amendments available in limited quantities in

4446-489: The 21st century, though less frequently. The rate of application must be adjusted for the reduced content of calcium carbonate versus straight lime, expressed as the calcium carbonate equivalent. Because the carbonate in marl is predominantly calcium carbonate, magnesium deficiency may be seen in crops treated with marl if they are not also supplemented with magnesium. Marl has been used in Pamlico Sound to provide

4563-539: The American Revolution, the movement to create a state beyond the Alleghenies was revived and a petition for the establishment of " Westsylvania " was presented to Congress , on the grounds that the mountains presented an almost impassable barrier to the east. The rugged terrain made slavery unprofitable, and time only increased the social, political, economic, and cultural differences ( see Tuckahoes and Cohees ) between Virginia's two sections. In 1829,

4680-663: The C&O and N&W presidents thought they could thus kill the Page project, they were to be proved mistaken. One of the silent partner investors Page had enlisted was millionaire industrialist Henry Huttleston Rogers , a principal in John D. Rockefeller 's Standard Oil Trust and an old hand at developing natural resources and transportation. A master at competitive "warfare", Henry Rogers did not like to lose in his endeavors and also had "deep pockets" . Instead of giving up, Page (and Rogers) quietly planned and then built their tracks all

4797-567: The C&O at its line along the Kanawha River and the N&;W at Matoaka —a distance of about 80 miles (130 km). Although the Deepwater plan should have provided a competitive shipping market via either railroad, leaders of the two large railroads did not appreciate the scheme. In secret collusion, each declined to negotiate favorable rates with Page, nor did they offer to purchase his railroad, as they had many other short-lines. However, if

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4914-618: The Civil War, Union General George B. McClellan 's forces gained possession of the greater part of the territory in the summer of 1861, culminating at the Battle of Rich Mountain , and Union control was never again seriously threatened. In 1863, General John D. Imboden , with 5,000 Confederates, raided a considerable portion of the state and burned Pierpont's library, although Willey escaped their grasp. Bands of guerrillas burned and plundered in some sections, and were not entirely suppressed until

5031-503: The Continental Army, showed war-weariness in what became West Virginia. Social conditions in western Virginia were entirely unlike those in the eastern part. The population was not homogeneous, as a considerable part of the immigration came by way of Pennsylvania and included Germans, Protestant Scotch-Irish , and settlers from states farther north. Counties in the east and south were settled mostly by eastern Virginians. During

5148-647: The Continental Congress to create a new territory called Westsylvania . With the federal settlement of the Pennsylvania and Virginia border dispute , creating Kentucky County, Virginia , Kentuckians "were satisfied [...] and the inhabitants of a large part of West Virginia were grateful." The Crown considered the area of West Virginia part of the British Virginia Colony from 1607 to 1776. The United States considered this area

5265-605: The District of Columbia (69 sq. mi.). The basin’s total area varies depending on map projection used. The basin lies in five geological provinces: the Appalachian Plateau, the Ridge and Valley, Blue Ridge, Piedmont Plateau, and Coastal Plain. The Potomac meanders over 383 miles from Fairfax Stone, West Virginia to Point Lookout, Maryland. The river’s distance will vary with map projection and location of measuring tool in

5382-632: The District of Columbia. This area is also called the Potomac watershed. It includes all of the land area where water drains towards the mouth of the Potomac – the point where the river spills into the Chesapeake Bay . The Potomac River basin is the 2nd largest watershed in the Chesapeake Bay watershed. The drainage area of the Potomac includes 14,670 square miles in four states: Virginia (5,723 sq. mi.), Maryland (3,818 sq. mi.), West Virginia (3,490 sq. mi.), Pennsylvania (1,570 sq. mi.), and

5499-661: The Fisher/Sullivan site in recognition of its principle landowners. Brezina immediately realized that the site was exceptional, because it yielded numerous shark teeth and other vertebrate remains from the sands and gravels in the unnamed tributary. Brezina notified other members of the Maryland Geological Society, and together members of the MGS began to screen stream sediments at the site for more shark teeth and other remains. It soon became apparent, from

5616-539: The General Assembly to reapportion representation based on the white population in 1865, or else put the matter to a public referendum. But the east also gave itself a tax advantage in requiring a property tax at true and actual value, except for slaves. Slaves under age 12 were not taxed and slaves over that age were taxed at only $ 300, a fraction of their true value, but small farmers had all their assets, animals, and land taxed at full value. Despite this tax and

5733-896: The Iroquois Confederacy". The area now identified as West Virginia was contested territory among Anglo-Americans as well, with the colonies of Pennsylvania and Virginia claiming territorial rights under their colonial charters to this area before the American Revolutionary War . Some speculative land companies, such as the Vandalia Company , the Ohio Company and the Indiana Company , tried but failed to legitimize their claims to land in parts of West Virginia and present-day Kentucky. This rivalry resulted in some settlers petitioning

5850-407: The Iroquois. They eventually settled somewhere between the Kanawha and Little Kanawha Rivers. During the 1750s, when the Mingo Seneca seceded from the Iroquois and returned to the Ohio River Valley, they contend that this tribe merged with them. The Shawnee arrived as well; though primarily stationed within former Monongahela territory approximately until 1750, they extended their influence throughout

5967-430: The Mid-Atlantic, the Upland South , and the Southeastern United States . It is the only state entirely within the area served by the Appalachian Regional Commission ; the area is commonly defined as " Appalachia ". The state is noted for its mountains and rolling hills, its historically significant coal mining and logging industries, and its political and labor history . It is also known for its tourism and

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6084-438: The N&W was also shipping from new coal piers at Hampton Roads. In 1889, in the southern part of the state, along the Norfolk and Western rail lines, the important coal center of Bluefield, West Virginia , was founded. The "capital" of the Pocahontas coalfield , this city would remain the largest city in the southern portion of the state for several decades. It shares its name with a sister city, Bluefield , in Virginia. In

6201-435: The Nanjemoy Formation is mostly shallow shelf. The more clayey beds suggest an area or time of quiet water, not affected by waves, tides, or current activity; intercalated sandier zones may reflect the higher energy of waves or currents during episodic storms. Its regional dip is eastward at 15–20 ft per mile (3-3.5 m/km). The floral and faunal assemblage of the Nanjemoy Formation is very varied and provides an insight into

6318-555: The Nanjemoy Formation. The formation is named after Nanjemoy Creek , a left tributary of the Potomac River . Nanjemoy is probably an Ojibwe word, meaning "one goes downward," representing the many rivers and creeks in the wet watershed of Chesapeake Bay , an area originally inhabited by the Algonquin -speaking Nanticoke and Powhatan . Wicomico is the name of two separate rivers, one on Maryland's Eastern Shore, Wicomico River (Maryland eastern shore) , and another in Southern Maryland, Wicomico River (Potomac River tributary) , and

6435-415: The Ohio River from the Monongahela to Kentucky and extending an unknown distance inland, and the Eastern Siouan Tutelo and Moneton tribes in the southeast. There was also the Iroquoian Susquehannock in the region approximately east of the Monongahela River and north of the Monongahela National Forest, a possible tribe called the Senandoa, or Shenandoah, in the Shenandoah Valley and the easternmost tip of

6552-409: The Ohio River region. They were West Virginia's last Native tribe and were driven out by the United States during the Shawnee Wars (1811–1813). The Erie, who were chased out of Ohio around 1655, are now believed to be the same as the Westo , who invaded as far as South Carolina before being destroyed in the 1680s. If so, their path would have brought them through West Virginia. The historical movement of

6669-438: The Shattaras, or West Virginia Cherokees. They took in and merged with the Monetons, who began to call themselves the Mohetons. The Calicua also began to call themselves Cherokees soon after, showing an apparent further merger. These Shattaras were closely related to the tribes that formed to the south in the aftermath of the Westo—the Yuchi and Cherokee. From 1715 to 1717, the Yamasee War sprang up. The Senandoa allegedly sided with

6786-411: The Shawnee returned to war, joining the Chickamauga , a band of Cherokee known for the area where they lived. Native American attacks on settlers continued until after the American Revolutionary War . During the war, the settlers in western Virginia were generally active Whigs ; many served in the Continental Army . Claypool's Rebellion of 1780–1781, in which a group of men refused to pay taxes to

6903-477: The Susquehanna River of Eastern Pennsylvania. The Manahoac were probably forced out in the 1680s when the Iroquois began to invade Virginia. The Siouan tribes there moved into North Carolina and later returned as one tribe, known as the Eastern Blackfoot, or Christannas. The Westo did not secure the territory they conquered. Even before they were gone, displaced natives from the south flooded into freshly conquered regions and took them over. These became known as

7020-411: The Tidewater and Piedmont slaveholders' political dominance. In addition to differences over slavery, he and allies felt the Virginia government ignored and refused to spend funds on needed internal improvements in the west, such as turnpikes and railroads. West Virginia was the only state in the Union to separate from a Confederate state ( Virginia ) during the Civil War. In Richmond on April 17, 1861,

7137-459: The Tutelo and carbon dating of the Fort Ancients seem to correspond with the given period of 1655–1670 as the time of their removal. The Susquehannocks were original participants in the Beaver Wars but were cut off from the Ohio River by the Iroquois around 1630 and found themselves in dire straits. Suffering from disease and constant warfare and unable to provide for themselves financially, they began to collapse and moved further and further east, to

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7254-545: The Union during the Civil War, and the second state to separate from another state, after Maine separated from Massachusetts in 1820. Some of its residents held slaves, but most were yeoman farmers, and the delegates provided for the gradual abolition of slavery in the new state constitution. The state legislature abolished slavery in the state, and at the same time ratified the 13th Amendment abolishing slavery nationally on February 3, 1865. West Virginia's northern panhandle extends adjacent to Pennsylvania and Ohio to form

7371-402: The Union was made to Congress, introduced by Senator Waitman Willey of the Restored Government of Virginia. Carlile sought to sabotage the bill, first trying to expand the new state's boundaries to include the Shenandoah Valley, and then to defeat the Willey amendment at home. On December 31, 1862, President Abraham Lincoln approved an enabling act admitting West Virginia on the condition that

7488-482: The United Kingdom. Upper Cretaceous cyclic sequences in Germany and marl– opal -rich Tortonian - Messinian strata in the Sorbas Basin related to multiple sea drawdown have been correlated with Milankovitch orbital forcing. Marl as lacustrine sediment is common in post- glacial lake -bed sediments. Chara , a macroalga also known as stonewort, thrives in shallow lakes with high pH and alkalinity , where its stems and fruiting bodies become calcified. After

7605-523: The Virginia General Assembly on May 23. This included some hold-over state senators whose four-year terms had begun in 1859, and some who vacated their offices to convene in Wheeling. Other members "were chosen even more irregularly—some in mass meetings, others by county committee, and still others were seemingly self-appointed". An act for the reorganization of the government was passed on June 19. The next day, convention delegates chose Francis H. Pierpont as governor of Virginia and elected other officers to

7722-399: The Yuchi and were destroyed by Yamasee allies. Therefore, if the Senandoa were the same tribe as the Moneton, this would mean the collapse of Shattara-Moneton culture. Another tribe that appeared in the region was the Canaragay, or Kanawha. It later migrated to Maryland and merged into colonial culture. In 1671, General Abraham Wood , at the direction of Royal Governor William Berkeley of

7839-478: The alga dies, the calcified stems and fruiting bodies break down into fine carbonate particles that mingle with silt and clay to produce marl. Marl ponds of the northeastern United States are often kettle ponds in areas of limestone bedrock that become poor in nutrients ( oligotrophic ) due to precipitation of essential phosphate . Normal pond life is unable to survive, and skeletons of freshwater molluscs such as Sphaerium and Planorbis accumulate as part of

7956-432: The border between West Virginia and Virginia includes the "Saltpeter Trail", a string of limestone caverns containing rich deposits of calcium nitrate which were rendered and sold to the government. The trail stretched from Pendleton County to the western terminus of the route in the town of Union , Monroe County . Nearly half of these caves are on the West Virginia side, including Organ Cave and Haynes Cave . In

8073-425: The bottom marl. In Hungary, Buda Marl is found that was formed in the Upper Eocene era. It lies between layers of rock and soil and may be defined it as both "weak rock and strong soil." Marl is the dominant rock type in the Vaca Muerta Formation in Argentina. Marl has been used as a soil conditioner and neutralizing agent for acid soil and in the manufacture of Portland cement . Because some marls have

8190-478: The commonly used NALMA classification ; Wasatchian , defined by the age-equivalent Wasatch Formation of Wyoming . The third-oldest unit in the Pamunkey Group is the Nanjemoy Formation that overlies the Marlboro Clay and is partly overlain by the Piney Point Formation and in many areas covered by the Miocene Calvert Formation , separated by an unconformity representing about 34 Ma. The upper surface reaches an elevation of about 50 metres (160 ft) and

8307-463: The constitution, which nevertheless passed because of eastern support. The eastern planter elite's failure to make constitutional reforms exacerbated existing east–west sectionalism in Virginia and contributed to its division. The Virginia Constitutional Convention of 1850–51 , the Reform Convention, addressed a number of issues important to western Virginians. It extended the vote to all white males 21 years or older. The governor, lieutenant governor,

8424-524: The constitutional amendment of 1866 was abrogated. Republicans had taken the first steps toward this change in 1870. On August 22, 1872, an entirely new constitution was adopted. Beginning in Reconstruction , and for several decades thereafter, the two states disputed the new state's share of the prewar Virginia government's debts, which had mostly been incurred to finance public infrastructure improvements, such as canals, roads, and railroads under

8541-465: The federal level. Many ancient manmade earthen mounds from various prehistoric mound builder cultures survive in West Virginia, especially in the areas of present-day Moundsville , South Charleston , and Romney . Artifacts uncovered in these give evidence of village societies with a tribal trade system culture that crafted cold-worked copper pieces. In the 1670s, during the Beaver Wars ,

8658-491: The following fossils have been reported from the Nanjemoy Formation: O. winkleri trituratus S. lerichei Ypresian, Wasatchian and Casamayoran formations: Marl Marl is an earthy material rich in carbonate minerals , clays , and silt . When hardened into rock , this becomes marlstone . It is formed in marine or freshwater environments, often through the activities of algae . Marl makes up

8775-608: The formation has been left undivided. In the outcrops along the Potomac River near Popes Creek , the contact between the Woodstock and Potapaco at about 10 feet (3.0 m) above the water level. The Nanjemoy Formation, represented as Tn on the geologic map of the Washington West 30' × 60' Quadrangle, Maryland, Virginia, and Washington D.C., restricted to the southeastern side of the Potomac Basin represented in

8892-629: The formation is designated Nanjemoy Wildlife Management Area . Geologically, the area of deposition of the Nanjemoy Formation is part of the Atlantic coastal plain province . The Potomac Basin represents the central part of the Atlantic coastal plain that stretches along the Atlantic coast of Canada and the United States. The basin stretches across parts of four states (Maryland, Pennsylvania, Virginia and West Virginia ), as well as

9009-656: The genus Carcharias . Other morphotypes were produced by actinopterygian fishes. The surface marks and the lack of flatness on most coprolites suggests early lithification of the Potapaco Member. Main fossil sites of the Nanjemoy Formation are In October 1990, Mr. Richard Brezina of the Maryland Geological Society (MGS) discovered an important fossil site east of Fredericksburg , in eastern Stafford County, Virginia . This locality, along an unnamed tributary of Muddy Creek , became known as

9126-473: The judiciary, sheriffs, and other county officers were to be elected by public vote. The General Assembly's composition was changed. Representation in the House of Delegates was apportioned based on the census of 1850, counting whites only. The Senate representation was arbitrarily fixed at 50 seats, with the west receiving 20 senators and the east 30. This was made acceptable to the west by a provision that required

9243-408: The lack of internal improvements in the west, the vote was 75,748 for and 11,063 against the new constitution. Most of the opposition came from delegates from eastern counties, who did not like the compromises made for the west. Given these differences, many in the west had long contemplated a separate state. In particular, men such as lawyer Francis H. Pierpont from Fairmont had long chafed under

9360-480: The late 18th century, saltpeter miners in Haynes Cave found large animal bones in the deposits. These were sent by a local historian and frontier soldier Colonel John Stuart to Thomas Jefferson . The bones were named Megalonyx jeffersonii , or great-claw, and became known as Jefferson's three-toed sloth. It was declared the official state fossil of West Virginia in 2008. The West Virginia official state rock

9477-469: The law, said if it was not enacted he would lose the election by 500 votes. Confederates' property might also be confiscated, and in 1866 a constitutional amendment disfranchising all who had given aid and comfort to the Confederacy was adopted. The addition of the Fourteenth and Fifteenth Amendments to the U.S. Constitution caused a reaction. The Democratic party secured control in 1870, and in 1871

9594-600: The lifestyles of its residents, who tended to live in many small, relatively isolated communities in the mountain valleys. A 2010 analysis of a local stalagmite revealed that Native Americans were burning forests to clear land as early as 100   BCE. Some regional late-prehistoric Eastern Woodland tribes were more involved in hunting and fishing, practicing the Eastern Agricultural Complex gardening method which used fire to clear out underbrush from certain wooded areas. Another group progressed to

9711-551: The lower part of the cliffs of Dover , and the Channel Tunnel follows these marl layers between France and the United Kingdom. Marl is also a common sediment in post- glacial lakes , such as the marl ponds of the northeastern United States. Marl has been used as a soil conditioner and neutralizing agent for acid soil and in the manufacture of cement . Marl or marlstone is a carbonate -rich mud or mudstone which contains variable amounts of clays and silt . The term

9828-535: The marl lakes of the more remote parts of northern Scotland are likely to remain pristine into the near future. West Virginia West Virginia is a landlocked state in the Southern and Mid-Atlantic regions of the United States . It is bordered by Pennsylvania and Maryland to the northeast, Virginia to the southeast, Kentucky to the southwest, and Ohio to the northwest. West Virginia

9945-551: The more time-consuming, advanced companion crop fields method of gardening. Also continuing from the ancient Indigenous people of the state, they cultivated tobacco through to early historic times. It was used in numerous social and religious rituals. " Maize (corn) did not make a substantial contribution to the diet until after 1150 BP ", to quote Mills (OSU 2003). Eventually, tribal villages began depending on corn to feed their turkey flocks, as Kanawha Fort Ancients practiced bird husbandry . The local Natives made cornbread and

10062-629: The mountains. A body of militia under then-Colonel Andrew Lewis dealt the Shawnee Natives , under Hokoleskwa (or "Cornstalk"), a crushing blow during the Battle of Point Pleasant at the junction of the Kanawha and the Ohio rivers. At the Treaty of Camp Charlotte concluding Dunmore's War , Cornstalk agreed to recognize the Ohio River as the new boundary with the " Long Knives ". But by 1776

10179-400: The movement of slaves into the new state, and to gradually abolish slavery. The education proposal succeeded, but the convention tabled the slavery proposals before finishing its work on February 18, 1862. The new constitution was more closely modeled on Ohio's than Virginia's, adopting a township model of government rather than the " courthouse cliques " of Virginia which Carlile criticized, and

10296-696: The northern portion of the state and elsewhere, the older Baltimore and Ohio Railroad (B&O) and other lines also expanded to take advantage of coal opportunities. The B&O developed coal piers in Baltimore and at several points on the Great Lakes . Other significant rail carriers of coal were the Western Maryland Railway (WM), Southern Railway (SOU), and the Louisville and Nashville Railroad (L&N). Particularly notable

10413-594: The original accounts of the excursion as suggesting that none of the expedition's horsemen ventured much farther west of the Blue Ridge Mountains than Harrisonburg, Virginia . John Van Metre, a Native trader, penetrated into the northern portion in 1725. The same year, German settlers from Pennsylvania founded New Mecklenburg, the present Shepherdstown , on the Potomac River , and others followed. King Charles II of England , in 1661, granted to

10530-425: The owners had large landholdings. Their railroad was renamed Norfolk and Western (N&W), and a new railroad city was developed at Roanoke to handle planned expansion. After its new president Frederick J. Kimball and a small party journeyed by horseback and saw firsthand the rich bituminous coal seam, which Kimball's wife named Pocahontas , the N&W redirected its planned westward expansion to reach it. Soon,

10647-688: The paleobiological and paleoclimatological environment of the early Eocene . Fossils of bivalves, sharks, rays, actinopterygian fishes, reptiles, birds and mammals, and of fruits and seeds are common in the Potapaco Member. More than 2000 vertebrate coprolites from the Potapaco Member at the Fisher/Sullivan Site in Virginia were analyzed by Dentzien Dias et al. (2019). The chemical composition (phosphatic), inclusions and morphology suggest that only carnivorous scats were preserved. All Nanjemoy coprolites were produced by fishes; chondrichthyans , Carcharhiniformes , and lamniform sharks, probably

10764-533: The powerful Iroquois , five allied nations based in present-day New York and Pennsylvania, drove out other Native American tribes from the region to reserve the upper Ohio Valley as a hunting ground. Siouan language tribes, such as the Moneton , had previously been among the earliest recorded in the area. Conflicts with European settlers resulted in various displaced Native tribes settling in West Virginia, where they were known as Mingo , meaning "remote affiliates of

10881-531: The quadrangle. Scott (2005) in his thesis included a map showing the thin bands of outcrops of both the underlying Marlboro Clay and the Nanjemoy Formation, restricted to the many creeks feeding the Chesapeake Bay. The Nanjemoy Formation (Eocene), the Marlboro Clay ( Paleocene ), and the Aquia Formation (Paleocene) are present in the westernmost part of the Potomac channel. The outcrop area of

10998-511: The remainder to West Virginia. The issue was finally settled in 1915 , when the Supreme Court of the United States ruled that West Virginia owed Virginia $ 12,393,929.50. The final installment of this sum was paid in 1939. After Reconstruction , the new 35th state benefited from the development of its mineral resources more than any other single economic activity. Saltpeter caves had been employed throughout Appalachia for munitions;

11115-495: The remaining Virginia counties within the federal lines. The question of the constitutionality of the formation of the new state was later brought before the Supreme Court of the United States in Virginia v. West Virginia . Berkeley and Jefferson counties, lying on the Potomac east of the mountains, voted in favor of annexation to West Virginia in 1863, with the consent of Virginia's reorganized government. Many voters of

11232-510: The required referendum (as happened on May 23), such action would constitute revolution against the United States. The convention decided that if Virginians adopted the secession ordinance (of which there was little doubt), another convention including the members-elect of the legislature would meet in Wheeling in June 1861. On May 23, 1861, secession was ratified by a large majority in Virginia as

11349-483: The river (ie. middle of the river, Maryland shoreline, Virginia shoreline). Based on information from the NLCD 2011 database, the majority of the basin’s land area is covered by forests at 54.6 percent of the land area. Developed land makes up 14.1 percent of the basin’s land area, while agriculture covers 26.0 percent. Water and wetlands make up 5.9 percent of the basin’s land area. The Potomac's major tributaries include:

11466-577: The sand is very muddy or contains many small quartz pebbles, and the clay is silty or sandy. Both lithologies contain richly fossiliferous beds including abundant mollusk shells. Robert E. Weems and Gary J. Grimsley (1999) described the geology of the Fisher/Sullivan site in Virginia as: The climate of the Early Eocene and Late Paleocene was very hot and rich in CO 2 . Based on the fossils of

11583-804: The soil. Some marl beds have a very low permeability and are under consideration for use in the storage of nuclear waste . One such proposed storage site is the Wellenberg in central Switzerland. A marl lake is a lake whose bottom sediments include large deposits of marl. They are most often found in areas of recent glaciation and are characterized by alkaline water, rich in dissolved calcium carbonate, from which carbonate minerals are deposited. Marl lakes have frequently been dredged or mined for marl, often used for manufacturing Portland cement . However, they are regarded as ecologically important, and are vulnerable to damage by silting , nutrient pollution , drainage , and invasive species . In Britain, only

11700-459: The southern United States, where soils were generally poor in nutrients, prior to about 1840. By the late 19th century, marl was being mined on an industrial scale in New Jersey and was increasingly being used on a more scientific basis, with marl being classified by grade and the state geological survey publishing detailed chemical analyses. Marl continues to be used for agriculture into

11817-463: The state legislature. More subsistence and yeoman farmers lived in the west, and they were generally less supportive of slavery, although many counties were divided on their support. Residents of that area became more sharply divided after the planter elite of eastern Virginia voted to secede from the Union during the Civil War. Residents of the western and northern counties set up a separate government under Francis Pierpont in 1861, which they called

11934-638: The state may have been home to the Manahoac people. The Monongahela may have been the same as a people known as the Calicua, or Cali. The following may have also all been the same tribe—Moneton, Moheton, Senandoa, Tomahitan. During the Beaver Wars, other tribes moved into the region. The Iroquoian Tiontatecaga (also Little Mingo, Guyandotte) seem to have split off from the Petun after they were defeated by

12051-693: The state's present limits, but the region was a common hunting ground, crossed by many trails. During the French and Indian War (the North American front of the Seven Years' War in Europe),Native allies of the French nearly destroyed the scattered British settlements. Shortly before the American Revolutionary War , in 1774 Crown Governor of Virginia John Murray, 4th Earl of Dunmore , led a force over

12168-516: The strongly pro-secessionist counties were absent in the Confederate Army when the vote was taken and refused to acknowledge the transfer when they returned. The Virginia General Assembly repealed the act of secession and in 1866 brought suit against West Virginia asking the court to declare the counties part of Virginia, which would have made West Virginia's admission as a state unconstitutional. Meanwhile, on March 10, 1866, Congress passed

12285-586: The terrifyingly large Titanoboa cerrejonensis , dating to the latest Paleocene, a body mass of 1,135 kilograms (40,000 oz) for the snake was estimated. This enormous size could only have been possible under the most ideal conditions for such large species, around 6 to 8 Ma after the extinction of the previous megafauna ; the dinosaurs . The climate of the Neotropical biome was estimated at 34 °C (93 °F) average yearly temperatures and 2000 ppm atmospheric CO 2 . The depositional environment of

12402-632: The types of teeth that were being found and from the color and texture of the sediments in the banks of the creek, that the fossils were being reworked from glauconitic ("greensand") horizons of the Lower Tertiary (Paleocene-Eocene) Pamunkey Group. Because the Pamunkey Group previously had yielded only sparse vertebrate remains, it seemed reasonable to suspect that this locality was scientifically important. Among many invertebrates (such as gastropods , bivalves , corals , and bryozoans ),

12519-428: The upper Woodstock Member, probably characteristic of less storm influences in the shallow shelf sediments. The formation has provided a wealth of fossils of mainly fish, but also mammals, reptiles, birds and flora. The presence of the sharks Otodus obliquus and Otodus aksuaticus , as well as various other shark and ray species are notable. Crocodylian, snake, turtle, mammal, and bird remains have all been found in

12636-452: The war ended. The eastern panhandle counties were more affected by the war, with military control of the area repeatedly changing hands. The area that became West Virginia actually furnished about an equal number of soldiers to the Union and Confederate armies, about 22,000–25,000 each. In 1865, the Wheeling government found it necessary to strip voting rights from returning Confederates in order to retain control. James Ferguson, who proposed

12753-429: The way east across Virginia, using Rogers' private fortune to finance the $ 40 million cost. When the renamed Virginian Railway (VGN) was completed in 1909, no fewer than three railroads were shipping ever-increasing volumes of coal to export from Hampton Roads. West Virginia coal was also in high demand at Great Lakes ports. The VGN and the N&W ultimately became parts of the modern Norfolk Southern system, and

12870-530: The western part of the state of Virginia (commonly called Trans-Allegheny Virginia ) from 1776 to 1863, before West Virginia's formation. Its residents were discontented for years with their position in Virginia, as the government was dominated by the planter elite of the Tidewater and Piedmont areas. The legislature had electoral malapportionment, based on the counting of slaves toward regional populations, and western white residents were underrepresented in

12987-674: Was a latecomer, the Virginian Railway (VGN). By 1900, only the most rugged terrain of southern West Virginia was any distance from the existing railroads and mining activity. Within this area west of the New River Coalfield in Raleigh and Wyoming counties lay the Winding Gulf Coalfield , later promoted as the "Billion Dollar Coalfield". A protégé of Dr. Ansted was William Nelson Page (1854–1932),

13104-470: Was also election day for local offices, and elections were also held in camps of Confederate soldiers, who elected rival state officials, such as Robert E. Cowan . Most pro-statehood votes came from 16 counties around the northern panhandle. Over 50,000 votes had been cast on the Ordinance of Secession, yet the vote on statehood garnered little more than 19,000. In Ohio County, home to Wheeling, only about

13221-419: Was chosen because of its very low permeability, absence of chert , and lack of fissures found in overlying formations. The underlying Glauconitic Marl is easily recognizable in core samples and helped establish the right level for excavating the tunnel. Marl soil has poor engineering properties, particularly when alternately wetted and dried. The soils can be stabilized by adding pozzolan ( volcanic ash ) to

13338-567: Was defined by Clark and Martin in 1901, as part of the mapping by the Maryland Geological Survey . The Nanjemoy Formation was divided into two members, the lower or Potapaco, and the upper or Woodstock. The main lithologic distinction is that the lower part of the Nanjemoy is much more clayey than the upper part. In the subsurface, the distinction between the members is less evident than in outcrops, especially in Maryland, so

13455-444: Was originally loosely applied to a variety of materials, most of which occur as loose, earthy deposits consisting chiefly of an intimate mixture of clay and calcium carbonate , formed under freshwater conditions. These typically contain 35–65% clay and 65–35% carbonate. The term is today often used to describe indurated marine deposits and lacustrine (lake) sediments which more accurately should be named 'marlstone'. Marlstone

13572-515: Was therefore both constitutional and expedient. The convention was reconvened on February 12, 1863, and the abolition demand of the federal enabling act was met. The revised constitution was adopted on March 26, 1863, and on April 20, 1863, Lincoln issued a proclamation admitting the state 60 days later on June 20, 1863. Meanwhile, officers for the new state were chosen, while Pierpont moved his pro-Union Virginia capital to Union-occupied Alexandria , where he asserted and exercised jurisdiction over all

13689-590: Was used sporadically in Britain beginning in prehistoric times and its use was mentioned by Pliny the Elder in the 1st century. Its more widespread use from the 16th century on contributed to the early modern agricultural revolution. However, the lack of a high-energy economy hindered its large-scale use until the Industrial Revolution . Marl was used extensively in Britain, particularly in Lancashire , during

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