Thompson Ridge

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Thompson Ridge ( 76°27′S146°5′W / 76.450°S 146.083°W / -76.450; -146.083 Coordinates: 76°27′S146°5′W / 76.450°S 146.083°W / -76.450; -146.083 ) is a rock ridge, 2 nautical miles (3.7 km) long and trending north–south on the south shore of Block Bay, 2.1 nautical miles (3.5 km) northwest of Mount Luyendyk, Fosdick Mountains in Marie Byrd Land, Antarctica. It is composed wholly of Fosdick Metamorphic Rocks. [1] These are determined to be of Cretaceous age. [2]

The feature was photographed and mapped by the United States Antarctic Service (USAS), 1939–41, led by Byrd.

The naming was proposed by Admiral Byrd for Gershom J. Thompson, eminent doctor and professor at the Mayo Clinic, who advised on medical questions relating to the Byrd Antarctic Expeditions, 1928–30 and 1933–35, and made financial contributions to them.

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Marie Byrd Land Unclaimed West Antarctic region

Marie Byrd Land (MBL) is an unclaimed region of Antarctica. With an area of 1,610,000 km2 (620,000 sq mi), it is the largest unclaimed territory on Earth. It was named after the wife of American naval officer Richard E. Byrd, who explored the region in the early 20th century.

Fosdick Mountains

The Fosdick Mountains are an east–west trending mountain range with marked serrate outlines, standing along the south side of Balchen Glacier at the head of Block Bay, in the Ford Ranges of Marie Byrd Land, Antarctica. They were discovered by the Byrd Antarctic Expedition in 1929, and named by Richard E. Byrd for Raymond B. Fosdick, who became president of the Rockefeller Foundation.

The Ford Ranges are a grouping of mountain ranges standing east of Sulzberger Ice Shelf and Block Bay in the northwest part of Marie Byrd Land, Antarctica. Discovered by the Byrd Antarctic Expedition on December 5, 1929, they were named by Byrd for Edsel Ford of the Ford Motor Company, who helped finance the expedition.

Mount Lockhart is a prominent northerly projection from the main massif of the Fosdick Mountains 4 nautical miles (7 km) northeast of Mount Avers, in the Ford Ranges of Marie Byrd Land, Antarctica. It was discovered by the Byrd Antarctic Expedition on a flight on December 5, 1929, and was named for Ernest Earl Lockhart, a physiologist at West Base of the United States Antarctic Service Expedition and a member of the biological party which visited this area in 1940.

Mount Iphigene Mountain in Marie Byrd Land, Antarctica

Mount Iphigene ; a mountain just west of Ochs Glacier between Marujupu Peak and Birchall Peaks, in the Fosdick Mountains, Ford Ranges, Marie Byrd Land, Antarctica. It is composed of Fosdick Metamorphic Rocks migmatite and granite of Cretaceous age. Its peak elevation is estimated at 1080 m. Discovered in 1929 by the Byrd Antarctic Expedition, they are named by Byrd for Iphigene Ochs Sulzberger, daughter of Adolph Ochs and wife of Arthur Sulzberger, patrons of the expedition.

Bird Bluff is a rock bluff on the north side of the Fosdick Mountains, 2.5 nautical miles (5 km) east of Mount Colombo, in the Ford Ranges of Marie Byrd Land. It was mapped by the United States Antarctic Service (1939–41) and by the United States Geological Survey from surveys and from U.S. Navy air photos (1959–65). It was named by the Advisory Committee on Antarctic Names for Commander Charles F. Bird, a Meteorological Officer on the Staff of the U.S. Naval Support Force, Antarctica, 1968.

Mount Carbone is a mountain 3 nautical miles (6 km) east of Mount Paige in the Phillips Mountains, Marie Byrd Land, Antarctica, with an approximate elevation of 1060 m. It was discovered and mapped from air photos by the Byrd Antarctic Expedition (1928–30), and named by the Advisory Committee on Antarctic Names for Al Carbone, cook with the later Byrd Antarctic Expedition (1933–35).

Demas Bluff is a rock bluff on the south side of the Fosdick Mountains, 2 nautical miles (4 km) west of Mount Richardson, in the Ford Ranges of Marie Byrd Land. It was mapped by the United States Antarctic Service (USAS) (1939–41) under Rear Admiral Richard E. Byrd, and was named for Dr. Charles J. Demas who provided medical assistance and supplies for the Byrd Antarctic Expedition (1933–35) and for USAS (1939–41).

Suggs Peak is a small ice-covered peak 6 nautical miles (11 km) south-southwest of Mount Wilbanks in the Kohler Range, Marie Byrd Land, Antarctica. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos 1959–66. Named by Advisory Committee on Antarctic Names (US-ACAN) for James D. Suggs, United States Antarctic Research Program (USARP) geologist with the Marie Byrd Land Survey Party, 1966–67.

Phillips Mountains is a range of mountains on the north side of Balchen Glacier and Block Bay in the Ford Ranges, Marie Byrd Land, West Antarctica. Discovered by the Byrd Antarctic Expedition (1928–30) and named by Byrd for Albanus Phillips, Sr., a manufacturer in Cambridge, Maryland, United States, and patron of the Byrd expeditions.

Mount Paige is a mountain 3 nautical miles (6 km) west of Mount Carbone, and 6 nautical miles east of Mount June, in the Phillips Mountains, Marie Byrd Land, Antarctica. Its elevation is just over 1000 m and it has the appearance of a mesa with a flattened top tilted south. Discovered and mapped from air photos taken by the Byrd Antarctic Expedition (1928–30). Named by Advisory Committee on Antarctic Names (US-ACAN) for David Paige, artist with the Byrd Antarctic Expedition (1933–35).

Mount Getz is a mountain, 1,120 metres (3,670 ft) high, in the southern part of the Fosdick Mountains, 5 nautical miles (9 km) east-southeast of Mount Ferranto, in the Ford Ranges of Marie Byrd Land, Antarctica. It was mapped by the United States Antarctic Service (1939–41) led by Rear Admiral Richard E. Byrd, and was named for George F. Getz, Jr., who, like his father, gave financial support toward the exploration efforts of Admiral Byrd.

Mackey Rock is an isolated rock on the east side of the Sulzberger Ice Shelf, 8 nautical miles (15 km) southwest of Mount Iphigene, Fosdick Mountains, on the coast of Marie Byrd Land, Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos (1959–65), and was named by the Advisory Committee on Antarctic Names for Steven Mackey, a field assistant with the United States Antarctic Research Program Marie Byrd Land Survey II, summer 1967–68.

Maigetter Peak Mountain peak in Marie Byrd Land, Antarctica

Maigetter Peak is a rock peak, the northernmost of the Birchall Peaks, on the south shore of Block Bay in Marie Byrd Land, Antarctica. It was discovered by the Byrd Antarctic Expedition (1928–30) and plotted from photos taken on the flight of December 5, 1929. The peak was mapped by the United States Geological Survey from surveys and U.S. Navy air photos (1959–65), and was named by the Advisory Committee on Antarctic Names for Robert Z. Maigetter, a biologist with the United States Antarctic Research Program Marie Byrd Land Survey II, 1967–68.

Manfull Ridge is a broad snow-covered ridge that descends gently from the north side of the Kohler Range about 5 nautical miles (9 km) west of Morrison Bluff, in Marie Byrd Land, Antarctica. It was mapped by the United States Geological Survey from ground surveys and U.S. Navy air photos, 1959–71, and was named by the Advisory Committee on Antarctic Names for Byron P. Manfull of the U.S. Department of State, Chairman of the Interagency Committee on Antarctica, 1967–69.

Reece Pass is a north–south pass just east of Mount Colombo and Richardson, in the east part of the Fosdick Mountains in the Ford Ranges, Marie Byrd Land. Discovered on aerial flights made from West Base of the United States Antarctic Service (1939–41) and visited by a biological party in 1940. Named for J.A. Reece, radio operator at West Base.

The Lewis Rocks are an area of rock outcrops 3 nautical miles (6 km) in extent, at the southwest foot of Mount June in the Phillips Mountains of Marie Byrd Land, Antarctica. The feature was mapped by the United States Geological Survey from surveys and U.S. Navy air photos (1959–65), and was named by the Advisory Committee on Antarctic Names for John H. Lewis, a geologist with the United States Antarctic Research Program Fosdick Mountains party, 1967–68.

Christine Siddoway American Antarctic researcher

Christine Siddoway is an American Antarctic researcher, best known for her work on the geology and tectonics of the Ford Ranges in western Marie Byrd Land. Other discoveries relate to preserved records of continental-interior sedimentation during the Sturtian glaciation, Cryogenian Period, in Rodinia, and evidence of a reduced Pliocene extent of the West Antarctic ice sheet, based upon investigation of clasts transported to/deposited in deep water by Ice rafting in the Amundsen Sea.

Mount Luyendyk Mountain in Marie Byrd Land, Antarctica

Mount Luyendyk is a summit in the western Fosdick Mountains of the Ford Ranges of Marie Byrd Land, West Antarctica. It forms a prominent exposure in the northwestern Iphigene massif. The peak is named in recognition of Bruce P. Luyendyk, professor (emeritus), University of California, Santa Barbara, who was active in ground- and ocean-based Antarctic research from 1989 to 2015, significantly advancing the scientific knowledge of the Ross Embayment region of Antarctica. Luyendyk led two on-land expeditions in the Ford Ranges, and was principal investigator for five marine geophysical expeditions in the Ross Sea.

Bruce P. Luyendyk American geophysicist and oceanographer (born 1943)

Bruce Peter Luyendyk is an American geophysicist and oceanographer, currently professor emeritus of marine geophysics at the University of California, Santa Barbara. His work spans marine geology of the major ocean basins, the tectonics of southern California, marine hydrocarbon seeps, and the tectonics and paleoclimate of Antarctica. His research includes tectonic rotations of the California Transverse Ranges, participation in the discovery of deep-sea hydrothermal vents, quantitative studies of marine hydrocarbon seeps, and geologic exploration of the Ford Ranges in Marie Byrd Land, Antarctica.

References

  1. Wade, F. A., C. A. Cathey, and J. B. Oldham (1977), Reconnaissance geologic map of the Guest Peninsula quadrangle, Marie Byrd Land, Antarctica, Map A-7, U. S. Antarctic Research Program, Reston, VA.
  2. Richard, S. M.; Smith, C. H.; Kimbrough, D. L.; Fitzgerald, P. G.; Luyendyk, B. P.; McWilliams, M. O. (1994). "Cooling history of the northern Ford Ranges, Marie Byrd Land, West Antarctica". Tectonics. 13 (4): 837–857. doi:10.1029/93tc03322. ISSN   0278-7407.

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