Shackleton Ice Shelf (66º00´S 100º00´E) is an extensive An ice shelf is a thick, floating platform of ice that forms where a glacier or ice sheet flows down to a coastline and onto the ocean surface, typically in Antarctica, Greenland, and elsewhere in the Arctic. The boundary between floating ice shelf and the grounded (resting on bedrock) ice... ice shelf fronting the coast of World map showing location of Antarctica A satellite composite image of Antarctica For the Kim Stanley Robinson novel see Antarctica (novel) Antarctica (from Greek ἀνταρκτικός, opposite the arctic) is a continent surrounding the Earths South Pole. It is the... Antarctica for about 384 km (95E to l05E), projecting seaward about 145 km in the western portion and 64 km in the east. The existence of this ice shelf was first made known by the USEE under Charles Wilkes Charles Wilkes (April 3, 1798 – February 8, 1877) was an American naval officer and explorer. He is particularly noted for his 1838–1842 Pacific expedition as well as for his role in the Trent Affair during the Civil War. Early life and career Wilkes was born... Charles Wilkes who mapped a portion of it from the The first USS Vincennes was the first United States warship to circumnavigate the globe. The ship was named in honor of the Battle of Vincennes. 1826-1833 Vincennes was one of 10 sloops-of-war whose construction was authorized by Congress on 3 March 1825. She was laid down at... Vincennes in February 1840. It was explored by the Australia, officially the Commonwealth of Australia, is the sixth-largest country in the world, the only one to occupy an entire continent, and the largest in the region of Australasia/ Oceania. It also includes a number of secondary islands, the largest of which is Tasmania, an Australian State. Australia is... Australian Antarctic Expedition under Sir Douglas Mawson (May 5, 1882-1958) was Australian Antarctic explorer. Born at Bradford, Yorkshire, on he was brought up in Australia, where he was educated at Fort Street High School and the University of Sydney. After taking up an academic career, he was appointed geologist to an expedition to... Douglas Mawson (1911-14) who named it for Sir Ernest Henry Shackleton The Discovery During the Discovery expedition, Shackleton made the first balloon flight over Antarctica Four men from Nimrod (left to right): Frank Wild, Shackleton, Eric Marshall, and Jameson Adams Sir Ernest Henry Shackleton (February 15, 1874 – January 5, 1922) was an Irish-born explorer, now chiefly... Ernest Shackleton. The extent of the ice shelf was mapped in greater detail in 1955, using aerial photography obtained by US Navy Operation Highjump was a United States Navy operation in Antarctica from 1946-47, the largest effort in the southmost continent to this day. Admiral Richard E. Byrds fleet was made up of 4,700 men serving on the following ships: 1 Aircraft carrier, newly commissioned (Philippine Sea - deck full... Operation Highjump, 1946-47. Further mapping by the Soviet Expedition of 1956 showed the portion eastward of Scott Glacier to be a part of this ice shelf.