Portal Rock ( Coordinates: ) is a turret-like rock knob (1,990 m) in Queen Alexandra Range, standing 1.5 nautical miles (2.8 km) northwest of Fairchild Peak, just south of the mouth of Tillite Glacier. So named by the Ohio State University geology party (1966–67) because the only safe route to Tillite Glacier lies between this rock and Fairchild Peak.
A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.
The Queen Alexandra Range is a major mountain range of the Transantarctic Mountains System, located in the Ross Dependency region of Antarctica.
Fairchild Peak is a conspicuous rock peak, 2,180 metres (7,150 ft) high, standing 1.6 nautical miles (3 km) south-southeast of Portal Rock, at the south side of the mouth of Tillite Glacier. It was named by the Advisory Committee on Antarctic Names for William W. Fairchild, a United States Antarctic Research Program cosmic ray scientist at McMurdo Sound, 1961.
The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility.
The Geographic Names Information System (GNIS) is a database that contains name and locative information about more than two million physical and cultural features located throughout the United States of America and its territories. It is a type of gazetteer. GNIS was developed by the United States Geological Survey in cooperation with the United States Board on Geographic Names (BGN) to promote the standardization of feature names.
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The Queen Elizabeth Range is a rugged mountain range of the Transantarctic Mountains System, located in the Ross Dependency region of Antarctica.
The Usarp Mountains is a major Antarctic mountain range, lying westward of the Rennick Glacier and trending N-S for about 190 kilometres (118 mi). The feature is bounded to the north by Pryor Glacier and the Wilson Hills. Its important constituent parts include Welcome Mountain, Mount Van der Hoeven, Mount Weihaupt, Mount Stuart, Mount Lorius, Smith Bench, Mount Roberts, Pomerantz Tableland, Daniels Range, Emlen Peaks, Helliwell Hills and Morozumi Range.
Aviator Glacier is major valley glacier in Antarctica that is over 60 miles (97 km) long and 5 miles (8.0 km) wide, descending generally southward from the plateau of Victoria Land along the west side of Mountaineer Range, and entering Lady Newnes Bay between Cape Sibbald and Hayes Head where it forms the Aviator Glacier Tongue.
Borchgrevink Glacier is a large glacier in the Victory Mountains, Victoria Land, draining south between Malta Plateau and Daniell Peninsula, and thence projecting into Glacier Strait, Ross Sea, as a floating glacier tongue, the Borchgrevink Glacier Tongue, just south of Cape Jones. It was named by the New Zealand Geological Survey Antarctic Expedition, 1957–58, for Carsten Borchgrevink, leader of the British Antarctic Expedition, 1898–1900. Borchgrevink visited the area in February 1900 and first observed the seaward portion of the glacier.
Eclipse Glacier is a glacier flowing southwest into the northern part of Jacobsen Bight on the south coast of South Georgia Island. It was so named by the British South Georgia Survey, 1954–55, led by George A. Sutton.
Willey Glacier is a heavily crevassed glacier north of Creswick Peaks in Palmer Land, flowing west from Creswick Gap into George VI Sound. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Lawrence E. Willey, British Antarctic Survey (BAS) geologist at Fossil Bluff and Stonington Island stations, 1966–69 and 1973, and awarded the Polar Medal for services to Antarctic Survey in 1976.
Ball Glacier is a glacier 7 nautical miles (13 km) long with the head located between Mount Lister and Mount Hooker on the east side of the Royal Society Range. The glacier flows northeast between Craw Ridge and Tasman Ridge into Blue Glacier. It was named by the New Zealand Geographic Board after Gary Ball, a New Zealand mountaineer who climbed Mount Lister with an Italian field party, 1976–77, and camped on this glacier; he was field assistant with R.H. Findlay’s New Zealand Antarctic Research Program party to this area, 1980–81.
Baronick Glacier is a glacier 6 nautical miles (11 km) southwest of Mount Cocks, in the Royal Society Range, draining into the Skelton Glacier to the west. It was named by the Advisory Committee on Antarctic Names in 1963 for Chief Aviation Ordnanceman Michael P. Baronick, of U.S. Navy Squadron VX-6, who wintered at Williams Air Operating Facility at McMurdo Sound in 1956 and was in Antarctica for several summer seasons. Baronick, with a party of three, was in command of the Beardmore Air Operating Facility established on October 28, 1956, at.
Berwick Glacier is a tributary glacier, 14 nautical miles (26 km) long, flowing southeast between the Marshall Mountains and the Adams Mountains to enter Beardmore Glacier at Willey Point in Antarctica. It was named by the British Antarctic Expedition, 1907–09, (BrAE) after HMS Berwick, a vessel on which Lieutenant Jameson B. Adams of the BrAE had served. The map of the British Antarctic Expedition, 1910–13, and some subsequent maps transpose the positions of Berwick Glacier and Swinford Glacier. The latter lies 12 nautical miles (22 km) southwestward, and the original 1907–09 application of Berwick Glacier is the one recommended.
Jetsam Moraine is a thin, sinuous medial moraine that arcs smoothly for 6 nautical miles (11 km) from a point near Mount Razorback to beyond the far (northeastern) side of Black Pudding Peak, in the Prince Albert Mountains of Victoria Land, Antarctica. Its curved trajectory marks the contact between Benson Glacier ice and that of Midship Glacier. It was so named by a 1989–90 New Zealand Antarctic Research Programme field party from association with the Flotsam Moraines and because all supraglacial moraines are "floating" on the glacier ice, and drift similarly to flotsam and jetsam.
Pagoda Peak is a sharp peak, 3,040 m, between the heads of Tillite and Montgomerie Glaciers, 3 nautical miles (6 km) north of Mount Mackellar in Queen Alexandra Range. So named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961–62) because of its shape.
The Edson Hills are a group of mainly ice-free hills lying south of Drake Icefall and west of Union Glacier in the Heritage Range of the Ellsworth Mountains in Antarctica. They were named by the University of Minnesota Ellsworth Mountains Party, 1962–63, for Dean T. Edson, a United States Geological Survey topographic engineer with the party.
Hewitt Glacier is a glacier, 15 nautical miles (28 km) long, descending the eastern slopes of the Holland Range, Antarctica, between Lewis Ridge and Mount Tripp to enter Richards Inlet. It was named by the New Zealand Geological Survey Antarctic Expedition (1959–60) for Leonard R. Hewitt, leader at Scott Base, 1959.
Skarsbrotet Glacier is a cirque-type glacier draining the east slopes of Skarshaugane Peaks, in the Humboldt Mountains of Queen Maud Land. Discovered and photographed by the German Antarctic Expedition, 1938-39. Mapped by Norway from air photos and surveys by the Norwegian Antarctic Expedition, 1956–60, and named Skarsbrotet.
Honnør Glacier is a glacier flowing to the east side of Lützow-Holm Bay, Antarctica, to the north of the Byvågåsane Peaks. A glacier tongue extending seaward from this feature was mapped by the Lars Christensen Expedition 1936–37 and named Honnørbrygga. The Japanese Antarctic Research Expedition, 1957–62, found the glacier tongue had broken off but amended the original naming to apply to the glacier.
Threshold Nunatak is an isolated nunatak located at the mouth of Tillite Glacier, 5 nautical miles (9 km) northeast of Portal Rock, in Queen Alexandra Range. The name was suggested by John Gunner of the Ohio State University Geological Expedition, 1969–70, who was landed by helicopter to collect a rock sample here. The name is in association with Portal Rock and also reflects the location at the mouth of Tillite Glacier.
Tillite Spur is a narrow, steep-cliffed rock spur, 3 nautical miles (6 km) long, descending from southern Wisconsin Plateau between Red Spur and Polygon Spur and terminating at the east side of Olentangy Glacier. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. The name was proposed by John H. Mercer, United States Antarctic Research Program (USARP) geologist to this area in 1964-65, because tillite extends the length of the spur above its granitic cliffs.
Tillite Glacier is a tributary glacier flowing northwest from Pagoda Peak in Queen Alexandra Range to join Lennox-King Glacier north of Fairchild Peak. So named by New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961–62) because it contains outcrops of ancient moraine (tillite), indicative of glacial action in remote Paleozoic times.
Donnellan Glacier is a steep valley glacier fed by highland ice adjacent to Opalchenie Peak and Fukushima Peak on Vinson Plateau, the summit plateau of Vinson Massif, in the Sentinel Range of the Ellsworth Mountains, Antarctica. The glacier flows west-southwestward from Opalchenie Peak along the northwest side of Mount Slaughter into Nimitz Glacier.