Swinburne Ice Shelf is an ice shelf

Ice shelf

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. Ice shelves are only found in Antarctica, Greenland and Canada. The boundary between the floating ice shelf and the grounded ice that feeds it is called...

 just north of Edward VII Peninsula

Edward VII Peninsula

King Edward VII Land or King Edward VII Peninsula is a large, ice-covered peninsula which forms the northwestern extremity of Marie Byrd Land. The peninsula projects into the Ross Sea between Sulzberger Bay and the northeast corner of the Ross Ice Shelf, and forms part of the Ross Dependency...

 and the Alexandra Mountains

Alexandra Mountains

Alexandra Mountains is a group of low, separated mountains in the north portion of Edward VII Peninsula, just southwest of Sulzberger Bay in Marie Byrd Land, Antarctica. Discovered in January-February 1902 by the British National Antarctic Expedition during an exploratory cruise of the Discovery...

 in the southern part of Sulzberger Bay

Sulzberger Bay

Sulzberger Bay is a bay between Fisher Island and Vollmer Island, along the coast of King Edward VII Land. Discovered by the Byrd Antarctic Expedition on December 5, 1929, and named by Byrd for Arthur H...

, Antarctica. The ice shelf is 20 miles long and 5 miles wide and extends from Fisher Island

Fisher Island (Antarctica)

Fisher Island is an ice-covered island long, lying just North of Edward VII Peninsula where it marks the Western side of the entrance to Sulzberger Bay. Mapped from surveys by the USGS and U.S. Navy air photos...

 to White Islands

White Islands

White Islands is a group of ice-covered islands extending north-south for about 10 miles. They lie at the east margin of Swinburne Ice Shelf and near the terminus of Butler Glacier in the south part of Sulzberger Bay. This feature is rudely delineated on the map of the Byrd Antarctic...

. It was photographed from aircraft and mapped by the Byrd Antarctic Expedition (ByrdAE), 1928-30. Named by Advisory Committee on Antarctic Names (US-ACAN) for Captain H.W Swinburne, Jr., Deputy Commander and Chief of Staff, U.S. Naval Support Force, Antarctica, during Operation Deep Freeze

Operation Deep Freeze

Operation Deep Freeze is the codename for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on...

1970 and 1971.