Trioen Nunataks ( Coordinates: ) is an isolated group of three nunataks about 8 miles (13 km) northwest of Borg Mountain in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by the Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–1952), led by John Schjelderup Giæver and named Trioen (the trio).
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.
A nunatak is an exposed, often rocky element of a ridge, mountain, or peak not covered with ice or snow within an ice field or glacier. They are also called glacial islands. Examples are natural pyramidal peaks. When rounded by glacial action, smaller rock promontories may be referred to as rognons.
Borg Mountain is a large, flattish, ice-topped mountain with many exposed rock cliffs, standing at the northern end of Borg Massif in Queen Maud Land.
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 Ohio Range is a mountain range in the Transantarctic Mountains of Antarctica. It is about 48 km (30 mi) long and 16 km (10 mi) wide, extending WSW-ENE from Eldridge Peak to Mirsky Ledge. The range forms the northeast end of the Horlick Mountains and consists primarily of a large snow-topped plateau with steep northern cliffs and several flat-topped ridges and mountains. The highest point is the summit of Mount Schopf.
Astraea Nunatak is a nunatak 6 miles (10 km) south of Staccato Peaks in southern Alexander Island. It was mapped from trimetrogon air photography taken by the Ronne Antarctic Research Expedition, 1947–48, and from survey by the Falkland Islands Dependencies Survey, 1948–50, and named by the United Kingdom Antarctic Place-Names Committee after Astraea, one of the asteroids lying between the orbits of Mars and Jupiter.
Windscoop Nunataks is a cluster of four gable-shaped nunataks rising to about 400 m between Porphyry Bluff and Tower Peak on Nordenskjold Coast, Graham Land, Antarctica. So named by United Kingdom Antarctic Place-Names Committee (UK-APC) following British Antarctic Survey (BAS) geological work, 1978–79, from the windscoops associated with each nunatak.
The Bergen Nunataks are a group of nunataks 14 nautical miles (26 km) north of the Journal Peaks in south-central Palmer Land. They were mapped by the United States Geological Survey from aerial photographs taken by the U.S. Navy, 1966–69, and named in 1977 by the Advisory Committee on Antarctic Names after Michael Bergen, a United States Antarctic Research Program engineer at Palmer Station, winter party 1970.
The Black Nunataks are a group of about nine nunataks located 10 nautical miles (19 km) west-southwest of Mount Harding in the Grove Mountains. They were mapped by Australian National Antarctic Research Expeditions from air photos, 1956–60, and named by the Antarctic Names Committee of Australia after I. Black, a geophysicist at Mawson Station, 1963.
Olander Nunatak is one of several somewhat scattered nunataks which rise above the ice of eastern Palmer Land, lying 5 nautical miles (9 km) east of Tollefson Nunatak and 27 nautical miles (50 km) north-northwest of Sky-Hi Nunataks. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for R.E. Olander, electronics technician at Eights Station in 1963.
Nobby Nunatak is a nunatak, 270 m, standing 1 nautical mile (1.9 km) south of Lake Boeckella and 1 nautical mile (1.9 km) east of Mount Flora, at the northeast end of Antarctic Peninsula.
Mural Nunatak is a conspicuous nunatak on the east side of Hektoria Glacier, 5 nautical miles (9 km) northwest of Shiver Point, in Graham Land. Surveyed by Falkland Islands Dependencies Survey (FIDS) in 1947 and 1955. The name, given by United Kingdom Antarctic Place-Names Committee (UK-APC), is descriptive of the nunatak's wall-like appearance when seen from the southwest.
Doescher Nunatak is a somewhat isolated nunatak situated 13 nautical miles (24 km) north of Mount Weihaupt in the Outback Nunataks, Victoria Land, Antarctica. The geographical feature was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1959–64, and was named by the Advisory Committee on Antarctic Names for Roger L. Doescher, a former glaciologist who worked at the infamous McMurdo Station, Hut Point Peninsula, Ross Island, during 1967–68. The Nunatak lies situated on the Pennell Coast, a portion of Antarctica lying between Cape Williams and Cape Adare.
Evensen Nunatak is a nunatak 1.5 nautical miles (3 km) northwest of Dallmann Nunatak in the Seal Nunataks group, off the east coast of the Antarctic Peninsula. It was first charted by the Falkland Islands Dependencies Survey in August 1947, and named by them for Captain C.J. Evensen of the Hertha, who explored along the west coast of the Antarctic Peninsula in 1893.
Metzgar Nunatak is a nunatak rising to about 1,700 metres (5,600 ft) 3 nautical miles (6 km) south of Tollefson Nunatak in the Yee Nunataks, Palmer Land, Antarctica. It was mapped by the United States Geological Survey (USGS) from surveys and U.S. Navy aerial photographs, 1961–68, and from Landsat imagery taken 1973–74. It was named in 1987 by the Advisory Committee on Antarctic Names after USGS cartographer John M. Metzgar, Jr., a member of the USGS satellite surveying team at South Pole Station, winter party 1978.
Klinck Nunatak is an isolated nunatak rising to about 1,800 metres (5,900 ft) between the Blanchard Nunataks and the Holmes Hills in south-central Palmer Land, Antarctica. It was mapped by the United States Geological Survey from aerial photographs taken by the U.S. Navy, 1966–69, and was named by the Advisory Committee on Antarctic Names in 1977 for Jay C. Klinck, U.S. Navy, a construction mechanic at Palmer Station, winter party 1970, who also provided United States Antarctic Research Program operational support at Siple Station, winter party 1973.
Splinten Peak is one of the Seilkopf Peaks, standing just north of Pilarryggen in the Borg Massif of Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and named Splinten.
Tethys Nunataks is a minor group of about five snow-free nunataks, lying 2 nautical miles (3.7 km) northeast of Stephenson Nunatak in the southeast corner of Alexander Island, Antarctica. Presumably first seen by Ronne and Eklund of the United States Antarctic Service who sledged through George VI Sound in 1940-41. Surveyed in 1949 by the Falkland Islands Dependencies Survey and named by the United Kingdom Antarctic Place-Names Committee for association with nearby Saturn Glacier, Tethys being one of the satellites of the planet Saturn, the sixth planet of the Solar System.
Teltet Nunatak is a prominent nunatak 2 nautical miles (3.7 km) north of Vengen Spur in the Sor Rondane Mountains. It was mapped by Norwegian cartographers in 1957 from air photos taken by U.S. Navy Operation Highjump, 1946–47, and named Teltet.
The Holmes Hills are a group of ridges and nunataks rising to about 1,700 metres (5,600 ft) between Runcorn Glacier and Beaumont Glacier, bounded to the southwest by the Brennecke Nunataks, in south-central Palmer Land, Antarctica. They were mapped by the United States Geological Survey from aerial photographs taken by the U.S. Navy, 1966–69, and surveyed by the British Antarctic Survey, 1972–73. In association with the names of continental drift scientists grouped in this area, the hills were named by the Advisory Committee on Antarctic Names in 1978 after Scottish geologist Arthur Holmes, Professor of Geology at the University of Edinburgh, 1943–56.
Hornet Peak is a sharp peak 3 nautical miles (6 km) west of Snøhetta Dome, near the south end of Ahlmann Ridge in Queen Maud Land, Antarctica. It was mapped by Norwegian cartographers from surveys and air photos by the Norwegian–British–Swedish Antarctic Expedition (1959–52) and from air photos by the Norwegian expedition (1958–59) and named Hornet. Confusingly, it is located only a few kilometres from its near-namesake, Horten Peak.
Tollefson Nunatak is a nunatak lying 5 nautical miles (9 km) west of Olander Nunatak, being one of several scattered and somewhat isolated nunataks located 40 nautical miles (70 km) north of the Merrick Mountains, in Palmer Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for T.W. Tollefson, construction electrician at Eights Station in 1963.
Valken Hill is a hill 6 nautical miles (11 km) southwest of Marsteinen Nunatak in the north part of Ahlmann Ridge in Queen Maud Land. It was mapped by Norwegian cartographers from surveys and air photos by the Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and air photos by the Norwegian expedition (1958–59) and named Valken.