Convoy Range ( 76°47′S 160°45′E / 76.783°S 160.750°E / -76.783; 160.750 ( Convoy Range ) ) is a broad range in Antarctica. It is south of the Kirkwood Range and north of the Clare Range .
32-674: Much of the range has a nearly flat plateau-like summit. It extends south from the Fry Saddle and ends at Mackay Glacier . The range has steep cliffs on its east side, but it slopes gently into the Cambridge Glacier on the western side. It is a peneplain , with an early Paleozoic granitic basement covered in sedimentary and igneous rocks from the Permian – Triassic to the Jurassic . The New Zealand Northern Survey Party of
64-573: A 1976-77 Victoria University of Wellington Antarctic Expedition (VUWAE) field party after James K. Baxter (1926-72), New Zealand poet and social critic. [REDACTED] This article incorporates public domain material from websites or documents of the United States Geological Survey . Greenville Valley Greenville Valley ( 76°44′S 160°52′E / 76.733°S 160.867°E / -76.733; 160.867 ( Greenville Valley ) )
96-603: Is a distributary of Flight Deck Névé between Dotson Ridge and Flagship Mountain , in Convoy Range, Victoria Land. The name was applied by a NZARP field party to commemorate an incident when the steering gear of a motor toboggan broke during the 1989-90 season. At the time, this glacier was being used as access to a camp at FlagshipMountain, and the slope had to be negotiated twice without steerage. 76°46′S 161°15′E / 76.767°S 161.250°E / -76.767; 161.250 . A small glacier lobe, to
128-463: Is a shortened form of "Sore Thumb Stack," which had been suggested by New Zealand geologist Christopher J. Burgess during a visit to the area in the 1976-77 season. 76°40′S 161°03′E / 76.667°S 161.050°E / -76.667; 161.050 . A rugged ridge, 10 nautical miles (19 km; 12 mi) long, between Towle and Northwind Glaciers. Mapped by USGS from ground surveys and Navy air photos. Named by US-ACAN in 1964 for
160-764: Is the large mainly ice-free valley lying south of Elkhorn Ridge in the Convoy Range of Victoria Land , Antarctica. A lobe of the Northwind Glacier flows a short distance west into the mouth of the valley. Near the head of the valley the south wall is breached by the entrance to Merrell Valley. Greenville Valley was explored in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (CTAE), 1956–58. It
192-527: The Commonwealth Trans-Antarctic Expedition (1956–58) worked in this area in 1957. The party named the range for the main convoy into McMurdo Sound in the 1956–57 season, with the names of the various vessels being used for features in the range. The Convoy Range is east of the Antarctic Plateau . It extends north to the head of the Fry Glacier at Fry Saddle . The Kirkwood Range is to
224-752: The Coombs Hills and Wyandot Ridge to join the Mawson Glacier . The Chattahoochee Glacier runs northeast from between Wyandot Ridge and Eastwind Ridge in the north of the range, and feeds the Fry Glacier via Fry Saddle . The Fry Glacier flows east along the northern boundary of the range. The Towle Glacier runs northeast between the Eastwind Ridge and Elkhorn Ridge to join the Fry Glacier. The Northwind Glacier flows northeast between Elkhorn Ridge and Flagship Mountain to join
256-661: The Precambrian or Cambrian , deformed and metamorphosed in the Ross Orogeny of the early Paleozoic. The area was uplifted and eroded into a peneplain after the Ross Orogony, and was covered with sandstones of the Beacon Supergroup . These sandstones were intruded by Jurassic Ferrar dolerite , and mostly incorporated into the dolerite. The Odell Glacier is west of the range, running north past
288-800: The Convoy Range which flows northeast between Wyandot Ridge and Eastwind Ridge. Mapped by the United States Geological Survey (USGS) from ground surveys and Navy air photos. Named by the United States Advisory Committee on Antarctic Names (US-ACAN) in 1964 for the United States Navy Chattahoochee a tanker in the American convoy into McMurdo Sound in the 1961-62 and 1962-63 seasons. 76°31′S 161°18′E / 76.517°S 161.300°E / -76.517; 161.300 . A striking pyramidal peak, 1,750 metres (5,740 ft) high, near
320-734: The Convoy Range. 76°53′S 161°10′E / 76.883°S 161.167°E / -76.883; 161.167 . An ice-free valley lying 4 nautical miles (7.4 km; 4.6 mi) north of Mount Gran and trending east-northeast for about 10 nautical miles (19 km; 12 mi) along the southeast side of the Convoy Range. 76°36′S 160°47′E / 76.600°S 160.783°E / -76.600; 160.783 . A broad, partially ice-covered ridge about 10 nautical miles (19 km; 12 mi) long between Chattahoochee Glacier and Towle Glacier . 76°41′S 160°45′E / 76.683°S 160.750°E / -76.683; 160.750 . The deep valley formerly occupied by
352-697: The Fry Glacier. Mapped in 1957 by the New Zealand Northern Survey Party of the CTAE (1956-58) and named for the United States NavyS Private John R. Towle, an American freighter which carried a large proportion of the New Zealand stores south in December 1956. 76°37′S 161°15′E / 76.617°S 161.250°E / -76.617; 161.250 . A medial moraine, 1.5 nautical miles (2.8 km; 1.7 mi) long, off
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#1732779643864384-847: The Fry Glacier. The Benson Glacier flows northeast from the eastern end of the Alatna Valley , while the Gran Glacier flow south from the Alatna Valley to join the Mackay Glacier , which flows along the southern boundary of the range. The Cambridge Glacier , a tributary of the Mackay Glacier, forms the southeast boundary of the range, separating it from the Coombs Hills to the west. Download coordinates as: Major features include Staten Island Heights in
416-480: The New Zealand Northern Survey Party of the CTAE, 1956-58. Named after the USS Atka, an American icebreaker in the convoy to McMurdo Sound in the 1956-57 season. 76°40′S 161°51′E / 76.667°S 161.850°E / -76.667; 161.850 . A glacier nurtured by icefalls from Flight Deck Névé , flowing northeast between Flagship Mountain and Mount Davidson to enter Fry Glacier. Named by
448-547: The Transantarctic Mountains, in 12 field seasons 1995-2008. 76°50′S 160°50′E / 76.833°S 160.833°E / -76.833; 160.833 . A long, narrow ice-free valley in the Convoy Range, running north from its head immediately east of Mount Gunn into the Greenville Valley. Mapped in 1957 by the N.Z. Northern Survey Party of the CTAE, 1956-58. Named by them after
480-496: The United States NavyS ElkhoRoyal Navy, a tanker in the American convoy into McMurdo Sound, 1961-62. 76°42′S 160°57′E / 76.700°S 160.950°E / -76.700; 160.950 . A cirque glacier, 0.5 nautical miles (0.93 km; 0.58 mi) long, descending the south wall of Elkhorn Ridge in Greenville Valley. The name is a nautical approximation of the situation of
512-777: The east and immediately below Forecastle Summit , which drains south into deglaciated Barnacle Valley . Though a part of the Northwind Glacier-Fry Glacier system, this diminished glacier flows back into Barnacle Valley. The name was proposed by New Zealand geologist Christopher J. Burgess and describes the glacier, but also the excellent helicopter support provided to his 1976-77 field party by United States Navy helicopters, "Gentle" being their code name. 76°41′S 161°33′E / 76.683°S 161.550°E / -76.683; 161.550 . The glacier immediately east of Flagship Mountain , draining north into Fry Glacier. Discovered and named in 1957 by
544-571: The glacier. Named by a 1989-90 NZARP field party to the area. 76°43′S 160°58′E / 76.717°S 160.967°E / -76.717; 160.967 . A circular depression, 200 metres (660 ft) deep, in the center of Greenville Valley. The feature is 1 nautical mile (1.9 km; 1.2 mi) in diameter, ice free and marks the lowest elevation in Convoy Range. Named in association with Greenville Valley. 76°43′S 161°00′E / 76.717°S 161.000°E / -76.717; 161.000 . A flat-topped rock ridge on
576-612: The head of Towle Glacier , lying immediately west of Towle Glacier. 76°44′S 160°52′E / 76.733°S 160.867°E / -76.733; 160.867 . The large mainly ice-free valley lying south of Elkhorn Ridge . A lobe of the Northwind Glacier flows a short distance west into the mouth of the valley. Near the head of the valley the south wall is breached by the entrance to Merrell Valley . 76°43′S 161°30′E / 76.717°S 161.500°E / -76.717; 161.500 ). A prominent, conical rock peak, 1,720 metres (5,640 ft) high, surmounting
608-444: The head of Fry Glacier, on the divide between the Fry Glacier and Mawson Glacier . The New Zealand Northern Survey Party of the CTAE (1956-58) established a survey station on its summit in December 1957. Named for Murray H. Douglas, a member of the party. 76°38′S 161°05′E / 76.633°S 161.083°E / -76.633; 161.083 . Glacier draining northeast between Eastwind Ridge and Elkhorn Ridge into
640-580: The ledge is 3 nautical miles (5.6 km; 3.5 mi) long by 1.5 nautical miles (2.8 km; 1.7 mi) wide, tapering in the north. It stands 500 metres (1,600 ft) high above the adjoining valleys. Named by Advisory Committee on Antarctic Names (US-ACAN) (2008) after Donald E. Voigt of the Department of Geosciences and Penn State Ice and Climate Exploration Center, Pennsylvania State University, who carried out research in glaciology, geophysics and seismology in diverse parts of Antarctica, including
672-414: The lower elevations at the northeast end of Elkhorn Ridge and is separated from Towle Glacier by a dolerite ridge upon which the flank of Towle Glacier rests 80 metres (260 ft) above the valley floor. The feature was visited by Victoria University's Antarctic Expeditions (VUWAE), 1976-77, led by Christopher J. Burgess. The name derives from the discovery of a parachute and abandoned airdrop packaging in
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#1732779643864704-676: The major sources of the Fry Glacier. The glacier drains the west part of Flight Deck Névé and flows north between Elkhorn Ridge and Sunker Nunataks to Fry Glacier. A lobe of the glacier flows west a short distance into the mouth of Greenville Valley. Named by the New Zealand Northern Survey Party (1956-57) of the CTAE after the USCGC Northwind, an icebreaker in the main American convoy into McMurdo Sound that season. 76°44′S 161°24′E / 76.733°S 161.400°E / -76.733; 161.400 . A glacial slope, 1.2 nautical miles (2.2 km; 1.4 mi) wide, which
736-629: The mouth of the Chattahoochee Glacier, between Mount Naab and Mount Douglas. The Towle Glacier joins the Fry Glacier from the west, to the north of Elkhorn Ridge . The Northwind Glacier and Atka Glacier join the head of Fry Glacier from the south. Fry Glacier flows past Shoulder Mountain to the north to enter Tripp Bay on the Ross Sea. Albrecht Penck Glacier converges with Fry Glacier in Tripp Bay. Tributaries and features of
768-479: The north side of Greenville Valley, immediately above Greenville Hole. The feature provides a platform that overlooks the entire valley, similar to the bridge of a ship. So named by a 1989-90 NZARP field party. 76°48′S 160°48′E / 76.8°S 160.8°E / -76.8; 160.8 . A flat-topped ridge that rises to 2,000 metres (6,600 ft) high between the head of Greenville Valley and Merrell Valley. The relatively level upper surface of
800-558: The northeast corner of the Convoy Range and flowing along the south end of the Kirkwood Range into Tripp Bay , Victoria Land , Antarctica. It was first charted by the British Antarctic Expedition, 1907–09 , and named for A.M. Fry, a contributor to the expedition. Fry Glacier rises to the west of the north end of the Convoy Range , south of the Kirkwood Range . At its head Fry Saddle drops down from
832-455: The northeast point of Elkhorn Ridge, where Towle Glacier and Northwind Glacier join Fry Glacier. One of a group of nautical names in Convoy Range; the mapped form of the moraine protrudes like a bowsprit out from the end of Elkhorn Ridge. Named by a 1989-90 New Zealand Antarctic Research Programme (NZARP) field party. 76°40′S 161°18′E / 76.667°S 161.300°E / -76.667; 161.300 . A large glacier, one of
864-735: The northeast, across the Fry Glacier. The Evans Piedmont Glacier on the Ross Sea coast lies to the east of the range. The Mackay Glacier defines the southern limit of the range. The region covered by the Convoy Range and Franklin Island to the east has a granitic basement from the early Paleozoic , made up of large bodies of the Granite Harbour Igneous Complex formed in the late Cambrian or early Ordovician , containing small bodies of Wilson Terrane metamorphic rocks. The Wilson Terrane rocks are inferred to be from
896-462: The south of the range, with the Alatna Valley to its southeast, the Wyandot Ridge, Eastwind Ridge, Towle Valley , Elkhorn Ridge and Greenville Valley in the north, and Flagship Mountain in the east. 76°49′S 160°57′E / 76.817°S 160.950°E / -76.817; 160.950 A predominantly flat, ice-covered upland between Greenville Valley and Alatna Valley in
928-407: The south part of the large rock mass between Northwind Glacier and Atka Glacier . [REDACTED] This article incorporates public domain material from websites or documents of the United States Geological Survey . Fry Saddle Fry Glacier ( 76°38′S 162°18′E / 76.633°S 162.300°E / -76.633; 162.300 ) is a glacier draining the slopes at
960-579: The terrain the glacier flows through include: 76°33′S 161°05′E / 76.550°S 161.083°E / -76.550; 161.083 . Narrow ice saddle at the head of Fry Glacier, about 4 nautical miles (7.4 km; 4.6 mi) west-southwest of Mount Douglas. Discovered in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (CTAE) (1956-58) and named by them in association with Fry Glacier. 76°34′S 160°42′E / 76.567°S 160.700°E / -76.567; 160.700 . Glacier in
992-424: The vicinity. 76°40′S 161°06′E / 76.667°S 161.100°E / -76.667; 161.100 . A notable rock spire (about 1,400 metres (4,600 ft) high which rises 50 metres (160 ft) above a crest of Elkhorn Ridge, to the east of Topside Glacier. Though not the highest point on the ridge, the spire stands out "like a sore thumb" and is an excellent reference point. The approved name
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1024-490: Was named by them after the USNS Greenville Victory , a freighter in the main American convoy into McMurdo Sound in the 1956–57 season. Download coordinates as: 76°38′00″S 161°09′00″E / 76.6333333°S 161.15°E / -76.6333333; 161.15 . A small deglaciated valley with meltwater lakes which lies parallel to and just south of Towle Glacier. The valley comprises
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