Thurston Island is an ice-covered, glacially dissected island, 215 km (134 mi) long, 90 km (56 mi) wide and 15,700 km2 (6,062 sq mi) in area, lying a short way off the northwest end of Ellsworth Land, Antarctica. It is the third largest island of Antarctica, after Alexander Island and Berkner Island.
Coronation Island is the largest of the South Orkney Islands, 25 nautical miles (46 km) long and from 3 to 8 nautical miles wide. The island extends in a general east-west direction, is mainly ice-covered and comprises numerous bays, glaciers and peaks, the highest rising to 1,265 metres (4,150 ft).
The Windmill Islands are an Antarctic group of rocky islands and rocks about 11.1 kilometres (6 nmi) wide, paralleling the coast of Wilkes Land for 31.5 kilometres (17 nmi) immediately north of Vanderford Glacier along the east side of Vincennes Bay. Kirkby Shoal is a small shoal area with depths of less than 18 metres (59 ft) extending about 140 metres (459 ft) westwards and SSW, about 3.4 kilometres (2.1 mi) from the summit of Shirley Island, Windmill Islands, and 0.24 kilometres (0.15 mi) NW of Stonehocker Point, Clark Peninsula.
Sikorski Glacier is a small glacier in the northeast part of Noville Peninsula, Thurston Island. It flows northeast to Bellingshausen Sea between Mounts Palmer and Mount Feury. First roughly delineated from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named by Advisory Committee on Antarctic Names (US-ACAN) for Stephen Sikorski, electronics technician on USS Glacier, who assisted in setting up an automatic weather station on Thurston Island during the United States Navy Bellingshausen Sea Expedition in February 1960.
Posadowsky Glacier is a glacier about 9 nautical miles long, flowing north to Posadowsky Bay immediately east of Gaussberg. Posadowsky Bay is an open embayment, located just east of the West Ice Shelf and fronting on the Davis Sea in Kaiser Wilhelm II Land. Kaiser Wilhelm II Land is the part of East Antarctica lying between Cape Penck, at 87°43'E, and Cape Filchner, at 91°54'E, and is claimed by Australia as part of the Australian Antarctic Territory. Other notable geographic features in this area include Drygalski Island, located 45 mi NNE of Cape Filchner in the Davis Sea, and Mirny Station, a Russian scientific research station.
Craft Glacier is a valley glacier about 5 nautical miles (9 km) long, lying west of Hendersin Knob on Thurston Island and flowing south to Abbot Ice Shelf in Peacock Sound. It was first delineated from air photos taken by U.S. Navy Operation Highjump in December 1946, and named by the Advisory Committee on Antarctic Names for Ensign Charles Craft, U.S. Navy, a helicopter pilot on USS Glacier who made exploratory flights at Thurston Island in February 1960.
Crume Glacier is a tributary glacier, 5 nautical miles (9 km) long, flowing east to enter Ommanney Glacier near the north coast of Victoria Land, Antarctica. The geographical feature was first mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1960–63, and named by the Advisory Committee on Antarctic Names for William R. Crume, AS1, U.S. Navy, Support Equipment Maintenance Supervisor with Squadron VX-6 at McMurdo Station, Hut Point Peninsula, Ross Island, during Operation Deep Freeze 1968. The glacier lies situated on the Pennell Coast, a portion of Antarctica lying between Cape Williams and Cape Adare.
Dewart Island is the central island in the Frazier Islands, in Vincennes Bay, Wilkes Land, East Antarctica.
Frankenfield Glacier is a small glacier in the northeast part of Noville Peninsula, Thurston Island, in Antarctica. It flows east-northeast to the Bellingshausen Sea between Mount Feury and Mulroy Island. The glacier was first roughly delineated from air photos taken by U.S. Navy Operation Highjump in December 1946, and was named by the Advisory Committee on Antarctic Names for Lieutenant Chester Frankenfield, a meteorologist on the U.S. Navy Bellingshausen Sea Expedition, who established an automated weather station on Thurston Island in February 1960.
The Frazier Islands are a group of three rocky islands - Nelly, Dewart and Charlton - in the eastern part of Vincennes Bay, East Antarctica, 15 km (9 mi) west-north-west of Clark Peninsula, and 16 km offshore from Australia's Casey Station.
Goff Glacier is a broad glacier flowing from Parker Peak into the head of Koether Inlet on the north side of Thurston Island, Antarctica. It was named by the Advisory Committee on Antarctic Names after Lieutenant Robert G. Goff, co-pilot of PBM Mariner aircraft in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of Thurston Island and adjacent coastal areas, 1946–47.
Long Glacier is a glacier about 8 nautical miles long in the southeastern part of Thurston Island, Antarctica. It flows south to the Abbot Ice Shelf, 14 nautical miles (26 km) west of Harrison Nunatak. The glacier was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1960–66, and was named by the Advisory Committee on Antarctic Names (US-ACAN) for Fred A. Long, Jr., an aviation machinist of U.S. Navy Squadron VX-6, who wintered at Little America V in 1957 and was in Antarctica in the 1960–61 and 1962–63 seasons.
Mincer Glacier is a broad glacier flowing from Zuhn Bluff into the southeast arm of Murphy Inlet on the north side of Thurston Island, Antarctica. It was named by the Advisory Committee on Antarctic Names after Lieutenant Dale F. Mincer, a co-pilot of PBM Mariner aircraft in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of Thurston Island and adjacent coastal areas in 1946–47.
Litz Glacier is a glacier flowing northeast from the vicinity of Smith Peak and Litz Bluff in north-central Thurston Island, Antarctica. The glacier enters the west part of Peale Inlet north of the Guy Peaks. It was named by the Advisory Committee on Antarctic Names after A.K. Litz, Chief Photographer's Mate in the Eastern Group of Operation Highjump, which obtained aerial photographs of this glacier and adjacent coastal areas, 1946–47.
Liotard Glacier is a channel glacier in Antarctica. It is about 3 nautical miles (6 km) wide and 6 nautical miles (11 km) long, and flows north-northeast from the continental ice, terminating in a small ice tongue about 4 nautical miles (7 km) west of Hélène Island. The glacier was delineated from air photos taken by U.S. Navy Operation Highjump, 1946–47, and was named by the Advisory Committee on Antarctic Names for Andre-Frank Liotard, the leader of the French Antarctic Expedition, 1949–51, whose group completed the initial survey of the coastal features as far westward as this glacier.
Mahaffey Glacier is a glacier flowing into the head of Morgan Inlet at the east end of Thurston Island, Antarctica. It was named by the Advisory Committee on Antarctic Names after J.S. Mahaffey, a Photographer's Mate in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of Thurston Island and adjacent coastal areas in 1946–47.
Marck Glacier is a glacier flowing into the southwestern extremity of Cadwalader Inlet on the north side of Thurston Island, Antarctica. It was named by the Advisory Committee on Antarctic Names after Aviation Machinist's Mate George H. Marck, an aircrewman in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of Thurston Island and adjacent coastal areas in the summer of 1946–47.
Kannheiser Glacier is a glacier about 4 nautical miles (7 km) long, lying 12 nautical miles (22 km) east-southeast of Cape Flying Fish on Thurston Island, Antarctica, and flowing south into the Abbot Ice Shelf. It was first delineated from air photos taken by U.S. Navy Operation Highjump in December 1946, and was named by the Advisory Committee on Antarctic Names for Lieutenant Commander William Kannheiser, U.S. Navy, a helicopter pilot aboard USS Glacier, who explored and photographed new Thurston Island features in February 1960.
Levko Glacier is a glacier flowing from Pallid Crest to the eastern end of Thurston Island, Antarctica. It enters Seraph Bay between Tierney Peninsula and Simpson Bluff. The glacier was named by the Advisory Committee on Antarctic Names after G. Levko, Photographer's Mate in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of Thurston Island and adjacent coastal areas, 1946–47.
