Gratton Nunatak () is a bare, linear
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. ...
lying at the south side of the mouth of
McCarthy Glacier, Antarctica, where the latter enters
Reedy Glacier
The Reedy Glacier is a major glacier in Antarctica, over 160 km (100 mi) long and from 10 to 19 km (6 to 12 mi) wide, descending from the polar plateau to the Ross Ice Shelf between the Michigan Plateau and Wisconsin Range, and ...
. It was mapped by the
United States Geological Survey from surveys and
U.S. Navy air photos, 1960–64, and was named by the
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica.
History
The committee was established ...
for
John W. Gratton, a construction mechanic at
Byrd Station
The Byrd Station is a former research station established by the United States during the International Geophysical Year by U.S. Navy Seabees during Operation Deep Freeze II in West Antarctica.
History
A joint Army, Navy, Air Force, and Marin ...
in 1962.
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]
References
Nunataks of Marie Byrd Land
{{MarieByrdLand-geo-stub