In geology , petrifaction or petrification (from Ancient Greek πέτρα ( pétra ) 'rock, stone') is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals . Petrified wood typifies this process, but all organisms, from bacteria to vertebrates, can become petrified (although harder, more durable matter such as bone, beaks, and shells survive the process better than softer remains such as muscle tissue, feathers, or skin). Petrification takes place through a combination of two similar processes: permineralization and replacement. These processes create replicas of the original specimen that are similar down to the microscopic level.
63-545: Axel Heiberg Island ( Inuktitut : ᐅᒥᖕᒪᑦ ᓄᓈᑦ , Umingmat Nunaat ) is an uninhabited island in the Qikiqtaaluk Region , Nunavut , Canada. Located in the Arctic Ocean , it is the 32nd largest island in the world and Canada's seventh largest island . According to Statistics Canada , it has an area of 43,178 km (16,671 sq mi). It is named after Axel Heiberg . One of the larger members of
126-721: A glottal stop when after a vowel (e.g., maꞌna ), or separates an n from an ng (e.g., avin'ngaq ) or an r from an rh (e.g., qar'rhuk ). In April 2012, with the completion of the Old Testament , the first complete Bible in Inuktitut, translated by native speakers, was published. Noted literature in Inuktitut has included the novels Harpoon of the Hunter by Markoosie Patsauq , and Sanaaq by Mitiarjuk Nappaaluk . The Inuktitut syllabary used in Canada
189-406: A high concentration of iron sulfides. Organisms release sulfide, which reacts with dissolved iron in the surrounding water, when they decay. This reaction between iron and sulfides forms pyrite (FeS 2 ). Carbonate shell material of the organism is then replaced with pyrite due to a higher concentration of pyrite and a lower concentration of carbonate in the surrounding water. Pyritization occurs to
252-424: A high-temperature oven (circa 1400 °C) in an inert atmosphere to yield a man-made ceramic matrix composite of titanium carbide and silicon carbide still showing the initial structure of wood. Future uses would see these artificially petrified wood-ceramic materials eventually replace metal-based superalloys (which are coated with ultrahard ceramics) in the tool industry. Other vegetal matter could be treated in
315-758: A lesser extent in plants in clay environments. Replacement, the second process involved in petrifaction, occurs when water containing dissolved minerals dissolves the original solid material of an organism, which is then replaced by minerals. This can take place extremely slowly, replicating the microscopic structure of the organism. The slower the rate of the process, the better defined the microscopic structure will be. The minerals commonly involved in replacement are calcite , silica , pyrite , and hematite . Biotic remains preserved by replacement alone (as opposed to in combination with permineralization ) are rarely found, but these fossils present significance to paleontology because they tend to be more detailed. Not only are
378-402: A patent for his "recipe" for rapid artificial petrifaction of wood under US patent 4,612,050 in 1986. Hicks' recipe consists of highly mineralized water and a sodium silicate solution combined with a dilute acid with a pH of 4.0-5.5. Samples of wood are penetrated with this mineral solution through repeated submersion and applications of the solution. Wood treated in this fashion is - according to
441-469: A root morpheme to which other morphemes are suffixed. Inuktitut has hundreds of distinct suffixes, in some dialects as many as 700. However, it is highly regular, with rules that do not have exceptions like in English and other Indo-European languages , though they are sometimes very complicated. One example is the word qangatasuukkuvimmuuriaqalaaqtunga ( ᖃᖓᑕᓲᒃᑯᕕᒻᒨᕆᐊᖃᓛᖅᑐᖓ ) meaning 'I'll have to go to
504-642: A scheme called Qaniujaaqpait or Inuktitut syllabics , based on Canadian Aboriginal syllabics . In the 1860s, missionaries imported this system of Qaniujaaqpait , which they had developed in their efforts to convert the Cree to Christianity , to the Eastern Canadian Inuit. The Netsilik Inuit in Kugaaruk and north Baffin Island adopted Qaniujaaqpait by the 1920s. In September 2019,
567-562: A separate dialect reputedly much closer to western Inuktitut dialects, spoken in the area around Rigolet . According to news reports, in 1999 it had only three very elderly speakers. Though often thought to be a dialect of Greenlandic , Inuktun or Polar Eskimo is a recent arrival in Greenland from the Eastern Canadian Arctic, arriving perhaps as late as the 18th century. Throughout Inuit Nunaat and Inuit Nunangat
630-523: A temperature and pressure similar to shallow-depth sedimentary environments. Under ideal natural conditions, silicification can occur at rates approaching those seen in artificial petrification. Pyritization is a process similar to silicification, but instead involves the deposition of iron and sulfur in the pores and cavities of an organism. Pyritization can result in both solid fossils as well as preserved soft tissues. In marine environments, pyritization occurs when organisms are buried in sediments containing
693-482: A unified orthography called Inuktut Qaliujaaqpait, based on the Latin alphabet without diacritics, was adopted for all varieties of Inuktitut by the national organization Inuit Tapiriit Kanatami , after eight years of work. It was developed by Inuit to be used by speakers of any dialect from any region, and can be typed on electronic devices without specialized keyboard layouts. It does not replace syllabics, and people from
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#1732764793671756-468: A vestige of the retroflex consonants of Proto-Inuit . Inuinnaqtun has one fewer consonant, as /s/ and /ɬ/ have merged into /h/ . All dialects of Inuktitut have only three basic vowels and make a phonological distinction between short and long forms of all vowels. In Inuujingajut —Nunavut standard Roman orthography—long vowels are written as a double vowel. All voiceless stops are unaspirated, like in many other languages. The voiceless uvular stop
819-773: Is also noted for Dinosaur Valley State Park and the Glen Rose Formation , where fossilized dinosaur footprints from the Cretaceous period can be viewed. Another example of the use of petrified wood in construction is the Agate House Pueblo in the Petrified Forest National Park in Arizona. Built by ancestral Pueblo people about 990 years ago, this eight-room building was constructed almost entirely out of petrified wood and
882-515: Is also the name of a macrolanguage and, in that context, also includes Inuvialuktun , and thus nearly all Inuit dialects of Canada. However, Statistics Canada lists all Inuit languages in the Canadian census as Inuktut. Before contact with Europeans, Inuit learned skills by example and participation. The Inuktitut language provided them with all the vocabulary required to describe traditional practices and natural features. Up to this point, it
945-459: Is ambiguous in state policy to what degree Inuktitut and Inuinnaqtun can be thought of as separate languages. The words Inuktitut , or more correctly Inuktut ('Inuit language') are increasingly used to refer to both Inuinnaqtun and Inuktitut together, or "Inuit languages" in English. Nunavut is the home of some 24,000 Inuit, over 80% of whom speak Inuktitut. This includes some 3,500 people reported as monolinguals. The 2001 census data shows that
1008-477: Is an Inuvialuktun dialect. As of the early 2000s, Nunavut has gradually implemented early childhood, elementary, and secondary school-level immersion programs within its education system to further preserve and promote the Inuktitut language. As of 2012 , "Pirurvik, Iqaluit 's Inuktitut language training centre, has a new goal: to train instructors from Nunavut communities to teach Inuktitut in different ways and in their own dialects when they return home." Quebec
1071-467: Is associated with Inukjuak , Quebec, and there is an Itivimuit River near the town. The Nunatsiavut dialect ( Inuttitut ᓄᓇᑦᓯᐊᕗᒻᒥᐅᑐᑦ or, often in government documents, Labradorimiutut ) was once spoken across northern Labrador . It has a distinct writing system, developed in Greenland in the 1760s by German missionaries from the Moravian Church . This separate writing tradition,
1134-650: Is based on the Cree syllabary devised by the missionary James Evans . The present form of the syllabary for Canadian Inuktitut was adopted by the Inuit Cultural Institute in Canada in the 1970s. Inuit in Alaska, Inuvialuit , Inuinnaqtun speakers, and Inuit in Greenland and Labrador use Latin alphabets. Though conventionally called a syllabary , the writing system has been classified by some observers as an abugida , since syllables starting with
1197-734: Is believed to have served as either a family home or meeting place. Scientists attempted to artificially petrify organisms as early as the 18th century, when Girolamo Segato claimed to have supposedly "petrified" human remains. His methods were lost, but the bulk of his "pieces" are on display at the Museum of the Department of Anatomy in Florence , Italy. More recent attempts have been both successful and documented, but should be considered as semi-petrifaction or incomplete petrifaction or at least as producing some novel type of wood composite, as
1260-558: Is considered a significant astrobiology analogue site for possible habitats currently present on Mars and the cold moons Europa and Enceladus . Microbes have been found at this site that do not depend on organic material or oxygen but only on simple inorganic compounds. These inorganic compounds are present on Mars. Inuktitut language Inuktitut ( / ɪ ˈ n ʊ k t ə t ʊ t / ih- NUUK -tə-tuut ; Inuktitut: [inuktiˈtut] , syllabics ᐃᓄᒃᑎᑐᑦ ; from inuk , 'person' + -titut , 'like', 'in
1323-533: Is home to roughly 15,800 Inuit, nearly all of whom live in Nunavik . According to the 2021 census, 80.9% of Quebec Inuit speak Inuktitut. The Nunavik dialect ( Nunavimmiutitut , ᓄᓇᕕᒻᒥᐅᑎᑐᑦ ) is relatively close to the South Baffin dialect, but not identical. Because of the political and physical boundary between Nunavik and Nunavut, Nunavik has separate government and educational institutions from those in
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#17327647936711386-445: Is looking at how best to protect the fossil forest, possibly by setting up a territorial park to be called Napaaqtulik, "where there are trees". Interesting animal fossils have been discovered on the island, including a remarkably preserved specimen of an ancient Aurorachelys turtle and, identified in 2016, the humerus of a Tingmiatornis bird. White Glacier is a valley glacier occupying 38.7 km (14.9 sq mi) in
1449-718: Is recognized as an official language in Nunavut alongside Inuinnaqtun and both languages are known collectively as Inuktut . Further, it is recognized as one of eight official native tongues in the Northwest Territories. It also has legal recognition in Nunavik —a part of Quebec—thanks in part to the James Bay and Northern Quebec Agreement , and is recognized in the Charter of the French Language as
1512-761: Is secured in the Northwest Territories Official Language Act . With the split of the territory into the NWT and Nunavut in 1999, both territories kept the Language Act. The autonomous area Nunatsiavut in Labrador made Inuktitut the government language when it was formed in 2005. In Nunavik, the James Bay and Northern Quebec Agreement recognizes Inuktitut in the education system. Nunavut's basic law lists four official languages: English, French, Inuktitut, and Inuinnaqtun . It
1575-429: Is the coldest and saltiest of all Arctic springs described to date. It is characterized by a perennial hypersaline (24%) discharge at subzero temperatures (~−5 °C (23 °F)) flowing to the surface through a hollow, 2 m (6 ft 7 in) high cone-shaped salt tufa structure. Continuous gas emissions from the spring indicate an underlying thermogenic methane source. Based on these properties, this spring
1638-546: Is usually written as q, but sometimes written as r. The voiceless lateral fricative is romanized as ɬ, but is often written as &, or simply as l. /ŋ/ is spelt as ng, and geminated /ŋ/ is spelt as nng. Inuktitut, like other Eskaleut languages , has a very rich morphological system, in which a succession of different morphemes are added to root words to indicate things that, in languages like English, would require several words to express. (See also: Agglutinative language and Polysynthetic language .) All words begin with
1701-619: The Arctic Archipelago , it is also a member of the Sverdrup Islands and Queen Elizabeth Islands . It is known for its unusual fossil forests , which date from the Eocene period. Owing to the lack of mineralization in many of the forest specimens, the traditional characterization of "fossilisation" fails for these forests and "mummification" may be a more precise description. The fossil records provide strong evidence that
1764-858: The Inuktut is used to refer to Inuktitut and all other dialects. It is used by Inuit Tapiriit Kanatami , the Inuit Circumpolar Council , and the Government of Nunavut throughout Inuit Nunaat and Inuit Nunangat . Eastern dialects of Inuktitut have fifteen consonants and three vowels (which can be long or short). Consonants are arranged with six places of articulation : bilabial , labiodental , alveolar , palatal , velar and uvular ; and three manners of articulation : voiceless stops , voiced continuants and nasals , as well as two additional sounds—voiceless fricatives . Natsilingmiutut has an additional consonant /ɟ/ ,
1827-510: The McGill Arctic Research Station ( 79°26′N 90°46′W / 79.433°N 90.767°W / 79.433; -90.767 ( McGill Arctic Research Station ) ), constructed 8 km (5.0 mi) inland from Expedition Fjord in 1960. It comprises a small research hut, a cookhouse, and two temporary structures comfortably accommodating 8–12 persons. The station was initially heavily utilized during
1890-471: The 1760s that was based on the Latin script. (This alphabet is distinguished by its inclusion of the letter kra , ĸ.) They later travelled to Labrador in the 1800s, bringing the Inuktitut alphabet with them. The Alaskan Yupik and Inupiat (who additionally developed their own syllabary ) and the Siberian Yupik also adopted Latin alphabets. Most Inuktitut in Nunavut and Nunavik is written using
1953-577: The Axel Heiberg forest was a high-latitude wetland forest. A holotype of the ammonite Otoceras gracile was found in the Griesbachian (Early Triassic ) deposits of this island. Axel Heiberg Island has been inhabited in the past by the Inuit , but was uninhabited by the time it was named by Otto Sverdrup , who explored it in 1900–01. He named it after Axel Heiberg , financial director of
Axel Heiberg Island - Misplaced Pages Continue
2016-612: The Commonwealth Braille and Talking Book Cooperative, developed a Braille code for the Inuktitut language syllabics. This code is based on representing the syllabics' orientation. Machine translation from Unicode UTF-8 and UTF-16 can be performed using the Liblouis Braille translation system<ref>{{Cite web|url= https://liblouis.io/ |title=Liblouis |access-date= which includes an Inuktitut Braille translation table. The book ᐃᓕᐊᕐᔪᒃ ᓇᓄᕐᓗ ( The Orphan and
2079-505: The Eocene epoch, a forest of tall trees flourished on Axel Heiberg Island. The trees reached up to 35 m (115 ft) in height; some may have grown for 500 to 1,000 years. The polar climate was warm at the time, but the winters were still continuously dark for three months. As the trees fell, the fine sediment in which the forest grew protected the plants. Instead of turning into petrified "stone" fossils, they were ultimately mummified by
2142-585: The Expedition Fiord area of Axel Heiberg Island ( 79°30′N 090°50′W / 79.500°N 90.833°W / 79.500; -90.833 ( White Glacier ) ). It extends in elevation from 56 to 1,782 m (184 to 5,846 ft) above sea level, a range which, as noted by Dyurgerov (2002), is exceeded only by Devon Ice Cap in the world list of glaciers with measured mass balance. Ice thickness reaches or exceeds 400 m (1,300 ft). Its maximum extension in recent history, marking
2205-683: The Norwegian Ringnes brewery which sponsored the expedition. Other explorers visited the island during the early 20th century, during which time it was claimed by Norway until 1930. It is now part of Nunavut Territory, Canada. It was not until the late 1940s that the island was aerially photographed by the United States Army Air Forces ' Operation Polaris. In 1955, two geologists of the Geological Survey of Canada , N.J. McMillan and Souther, traversed
2268-562: The Polar Bear ) became the first work ever translated into Inuktitut Braille, and a copy is held at the headquarters of the Nunavut Public Library Services at Baker Lake . Although as many of the examples as possible are novel or extracted from Inuktitut texts, some of the examples in this article are drawn from Introductory Inuktitut and Inuktitut Linguistics for Technocrats . Petrified One of
2331-568: The airport: The western part of Nunavut and the Northwest Territories use a Latin alphabet usually called Inuinnaqtun or Qaliujaaqpait , reflecting the predispositions of the missionaries who reached this area in the late 19th century and early 20th. Moravian missionaries, with the purpose of introducing Inuit to Christianity and the Bible , contributed to the development of an Inuktitut alphabet in Greenland during
2394-699: The claims in the patent - incapable of being burned and acquires the features of petrified wood. Some uses of this product as suggested by Hicks include use by horse breeders who desire fireproof stables constructed of nontoxic material that would also be resistant to chewing of the wood by horses. In 2005 scientists at the Pacific Northwest National Laboratory (PNNL) reported that they had successfully petrified wood samples artificially. Unlike natural petrification, though, they infiltrated samples in acidic solutions, diffused them internally with titanium and carbon and fired them in
2457-983: The cold, dry Arctic climate and only recently exposed to erosion. Scientists from the Komarov Botanical Institute of the Russian Academy of Sciences in Saint Petersburg provided a few grams of Metasequoia conifer wood from the site to genetics researchers at the National University of Altai, who compared the DNA sequences of the ancient wood with DNA of modern woody plants and found them to be almost identical. Komarov Institute scientists also discovered double-strand DNA molecules in Metasequoia fossil leaves from Axel Heiberg Island. As late as 1999, preserving this unique site
2520-474: The early 1960s, with a population of 20. The McGill Arctic Research Station is active from March to August, and research is currently focused on polar geomorphology, geology, glaciology, permafrost , climate change, and polar microbiology. Over the last 10–15 years, it has served as a significant Mars analogue for astrobiology investigations studying life and habitability of polar cryoenvironments and field-testing planetary exploration instrumentation platforms. In
2583-809: The fossils produced through the process of petrifaction used for paleontological study, but they have also been used as both decorative and informative pieces. Petrified wood is used in several ways. Slabs of petrified wood can be crafted into tabletops, or the slabs themselves are sometimes displayed in a decorative fashion. Also, larger pieces of the wood have been carved into sinks and basins. Other large pieces can also be crafted into chairs and stools. Petrified wood and other petrified organisms have also been used in jewelry, sculpture, clock-making, ashtrays and fruit bowls, and landscape and garden decorations. Petrified wood has also been used in construction. The Petrified Wood Gas Station, located on Main St Lamar, Colorado ,
Axel Heiberg Island - Misplaced Pages Continue
2646-517: The glacier's advance in response to the cooling of the Little Ice Age , was reached not earlier than the late 18th century and probably at the beginning of the 20th century. There is evidence that the retreat of the terminus, previously at about 5 m (16 ft) per year, is decelerating (Cogley et al. 1996a; Cogley and Adams 2000). White Glacier has been the subject of many papers in the glaciological literature since 1960, e.g. Müller (1962)
2709-411: The interior as part of Operation Franklin. McMillan's observations of Bunde Glacier in northwest Axel Heiberg Island are the earliest glaciological observations on the ground to have found their way into a scientific publication. In 1959, scientists from McGill University explored Expedition Fiord (previously Sør Fjord or South Fiord) in central Axel Heiberg Island. This resulted in the establishment of
2772-418: The language of instruction. As the government's interests in the north increased, it started taking over the education of Inuit. After the end of World War II, English was seen as the language of communication in all domains. Officials expressed concerns about the difficulty for Inuit to find employment if they were not able to communicate in English. Inuit were supposed to use English at school, work, and even on
2835-505: The manner of'), also known as Eastern Canadian Inuktitut , is one of the principal Inuit languages of Canada. It is spoken in all areas north of the North American tree line , including parts of the provinces of Newfoundland and Labrador , Quebec , to some extent in northeastern Manitoba as well as the Northwest Territories and Nunavut . It is one of the aboriginal languages written with Canadian Aboriginal syllabics . It
2898-496: The mother tongue. This set off the beginning of bilingual schools. In 1969, most Inuit voted to eliminate federal schools and replace them with programs by the General Directorate of New Quebec [ fr ] ( Direction générale du Nouveau-Québec, DGNQ ). Content was now taught in Inuktitut, English, and French. Inuktitut became one of the official languages in the Northwest Territories in 1984. Its status
2961-578: The official language of instruction for Inuit school districts there. It also has some recognition in NunatuKavut and Nunatsiavut —the Inuit area in Labrador —following the ratification of its agreement with the government of Canada and the province of Newfoundland and Labrador. The 2016 Canadian census reports that 70,540 individuals identify themselves as Inuit, of whom 37,570 self-reported Inuktitut as their mother tongue. The term Inuktitut
3024-454: The organisms' tissues are filled when these minerals precipitate out of the water. Two common types of permineralization are silicification and pyritization. Silicification is the process in which organic matter becomes saturated with silica . A common source of silica is volcanic material. Studies have shown that in this process, most of the original organic matter is destroyed. Silicification most often occurs in two environments—either
3087-459: The playground. Inuit themselves viewed Inuktitut as the way to express their feelings and be linked to their identity, while English was a tool for making money. In the 1960s, the European attitude towards the Inuktitut language started to change. Inuktitut was seen as a language worth preserving, and it was argued that knowledge, particularly in the first years of school, is best transmitted in
3150-448: The processes involved in petrifaction is permineralization. The fossils created through this process tend to contain a large amount of the original material of the specimen. This process occurs when groundwater containing dissolved minerals (most commonly quartz , calcite , apatite (calcium phosphate), siderite (iron carbonate), and pyrite ), fills pore spaces and cavities of specimens, particularly bone, shell or wood. The pores of
3213-449: The regions are not required to stop using their familiar writing systems. Implementation plans are to be established for each region. It includes letters such as ff , ch , and rh , the sounds for which exist in some dialects but do not have standard equivalents in syllabics. It establishes a standard alphabet but not spelling or grammar rules. Long vowels are written by doubling the vowel (e.g., aa , ii , uu ). The apostrophe represents
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#17327647936713276-443: The remoteness of Nunatsiavut from other Inuit communities, has made it into a distinct dialect with a separate literary tradition. The Nunatsiavummiut call their language Inuttut ( ᐃᓄᑦᑐᑦ ). Although Nunatsiavut claims over 4,000 inhabitants of Inuit descent, only 550 reported Inuktitut to be their native language in the 2001 census, mostly in the town of Nain . Inuktitut is seriously endangered in Labrador. Nunatsiavut also had
3339-546: The rest of the Inuktitut-speaking world, resulting in a growing standardization of the local dialect as something separate from other forms of Inuktitut. In the Nunavik dialect, Inuktitut is called Nunavimmiutut ( ᐃᓄᑦᑎᑐᑦ ). This dialect is also sometimes called Tarramiutut or Taqramiutut ( ᑕᕐᕋᒥᐅᑐᑦ or ᑕᖅᕐᕋᒥᐅᑐᑦ ). Sub dialects of Inuktitut in this region include Tarrarmiut and Itivimuit. Itivimuit
3402-876: The same consonant have related glyphs rather than unrelated ones. All of the characters needed for the Inuktitut syllabary are available in the Unicode block Unified Canadian Aboriginal Syllabics . The territorial government of Nunavut , Canada, has developed TrueType fonts called Pigiarniq ( ᐱᒋᐊᕐᓂᖅ [pi.ɡi.aʁ.ˈniq] ), Uqammaq ( ᐅᖃᒻᒪᖅ [u.qam.maq] ), and Euphemia ( ᐅᕓᒥᐊ [u.vai.mi.a] ) for computer displays. They were designed by Vancouver -based Tiro Typeworks. Apple Macintosh computers include an Inuktitut IME (Input Method Editor) as part of keyboard language options. Linux distributions provide locale and language support for Iñupiaq , Kalaallisut and Inuktitut. In 2012 Tamara Kearney, Manager of Braille Research and Development at
3465-407: The specimen are progressively dissolved and silica is deposited into the empty spaces. In wood samples, as the process proceeds, cellulose and lignin, two components of wood, are degraded and replaced with silica. The specimen is transformed to stone (a process called lithification) as water is lost. For silicification to occur, the geothermic conditions must include a neutral to slightly acidic pH and
3528-451: The specimen is buried in sediments of deltas and floodplains or organisms are buried in volcanic ash. Water must be present for silicification to occur because it reduces the amount of oxygen present and therefore reduces the deterioration of the organism by fungi, maintains organism shape, and allows for the transportation and deposition of silica. The process begins when a specimen is permeated with an aqueous silica solution. The cell walls of
3591-454: The summer of 1972, a British Army Mountaineering Association expedition resulted in the naming of Scaife Glacier following the accidental death of Sergeant Kenneth Scaife. During the summer of 1986, a Canadian expedition headed by Dr. James Basinger set out to investigate a very unusual fossil forest on Axel Heiberg. The findings of these and subsequent expeditions have since been popularly reported in Canada. Over 40 million years ago, during
3654-618: The use of Inuktitut, while lower among the young than the elderly, has stopped declining in Canada as a whole and may even be increasing in Nunavut. The South Baffin dialect ( Qikiqtaaluk nigiani , ᕿᑭᖅᑖᓗᒃ ᓂᒋᐊᓂ ) is spoken across the southern part of Baffin Island , including the territorial capital Iqaluit . This has in recent years made it a much more widely heard dialect, since a great deal of Inuktitut media originates in Iqaluit . Some linguists also distinguish an East Baffin dialect from either South Baffin or North Baffin dialect , which
3717-496: The wood material remains to a certain degree; the constituents of wood (cellulose, lignins, lignans, oleoresins, etc.) have not been replaced by silicate, but have been infiltrated by specially formulated acidic solutions of aluminosilicate salts that gel in contact with wood matter and form a matrix of silicates within the wood after being left to react slowly for a given period of time in the solution or heat-cured for faster results. Hamilton Hicks of Greenwich, Connecticut , received
3780-417: Was a concern, as the fossil wood was easily damaged and eroded once exposed. There were concerns that Arctic cruise ship tourists were taking wood and that the site was being disturbed by Canadian military helicopters from nearby bases and even by scientists in their studies. There were calls for more protection for the area. It has no official status, partly because land claims had to be settled. But now Nunavut
3843-641: Was built in 1932 and consists of walls and floors constructed from pieces of petrified wood. The structure, built by W.G. Brown, has since been converted to office space and a used car dealership. Glen Rose, Texas provides even more examples of the use of fossilized wood in architecture. Beginning in the 1920s, the farmers of Somervell County, Texas began uncovering petrified trees. Local craftsmen and masons then built over 65 structures from this petrified wood, 45 of which were still standing as of June 2009. These structures include gas stations, flowerbeds, cottages, restaurants, fountains and gateposts. Glen Rose, Texas
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#17327647936713906-455: Was solely an oral language . However, European colonialism brought the schooling system to Canada. The missionaries of the Anglican and Roman Catholic churches were the first ones to deliver formal education to Inuit in schools. The teachers used the Inuktitut language for instruction and developed writing systems. In 1928 the first residential school for Inuit opened, and English became
3969-437: Was the source of a now-classical diagram elaborating and illustrating the concept of " glacier facies ". The island is uninhabited except for the seasonal McGill Arctic Research Station operated by McGill University . The Lost Hammer Spring , located in the central west region of the island ( 79°07′N 090°21′W / 79.117°N 90.350°W / 79.117; -90.350 ( Lost Hammer Spring ) )
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