Roberts Ice Piedmont () is a large ice piedmont, 20 nautical miles (37 km) long in a north–south direction and 15 nautical miles (28 km) wide, lying to the north and northwest of

Mount Calais Mount Calais () is a massive mountain, high, at the northwest side of Schokalsky Bay in the northeast part of Alexander Island, Antarctica. It was first roughly surveyed in 1909 by the French Antarctic Expedition under Jean-Baptiste Charcot, wh ...

and occupying most of the northeast corner of Alexander Island, Antarctica. It was first seen from a distance and roughly surveyed by the French Antarctic Expedition, 1908–10, under Charcot. It was photographed from the air by the British Graham Land Expedition (BGLE) on August 15, 1936, and roughly mapped from these photos. It was then named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1955 after Brian B. Roberts (1912–78), a British

ornithologist Ornithology is a branch of zoology that concerns the "methodological study and consequent knowledge of birds with all that relates to them." Several aspects of ornithology differ from related disciplines, due partly to the high visibility and th ...

, polar specialist and leading figure in the development of Antarctic nomenclature; ornithologist, BGLE, 1934–37; Secretary, United Kingdom Antarctic Place-names Committee, 1945–74. About six

nunatak A nunatak (from Inuit ''nunataq'') is the summit or ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain or ridge. They are also called glacial islands. Examples are natural pyramidal peaks. ...

s are situated within the Roberts Ice Piedmont, these are

Hengist Nunatak Hengist Nunatak () is an isolated flat-topped nunatak, more than in height, which rises above Roberts Ice Piedmont north of Mount Calais lying in the northeastern extremity of Alexander Island, Antarctica. It was first photographed from the ai ...

(a separate nunatak) and the

Horsa Nunataks The Horsa Nunataks () are an isolated group of about five partly snow-covered nunataks, more than high, which rise above Roberts Ice Piedmont, north of Mount Calais, in the northeastern part of Alexander Island, Antarctica. They were first phot ...

(a group of about five nunataks). Both of these features are named after Saxon kings of England in the fifth century; however, they have no association or relation with Brian B. Roberts and the Roberts Ice Piedmont itself.

See also