Vanguard Nunatak
Encyclopedia
Vanguard Nunatak is a conspicuous cone-shaped nunatak
(715 m) standing at the northern extremity of the Forrestal Range
, Pensacola Mountains
in Antarctica. It was mapped by United States Geological Survey
(USGS) from surveys and U.S. Navy air photos, 1956–66, and was named by the Advisory Committee on Antarctic Names
(US-ACAN) for its prominent position at the north end of the Forrestal Range.
Nunatak
A nunatak is an exposed, often rocky element of a ridge, mountain, or peak not covered with ice or snow within an ice field or glacier. The term is typically used in areas where a permanent ice sheet is present...
(715 m) standing at the northern extremity of the Forrestal Range
Forrestal Range
The Forrestal Range is a largely snow-covered mountain range, about 105 km long, standing east of Dufek Massif and the Neptune Range in the Pensacola Mountains of Antarctica. Discovered and photographed on January 13, 1956 on a transcontinental patrol plane flight of U.S...
, Pensacola Mountains
Pensacola Mountains
The Pensacola Mountains are a large group of mountain ranges and peaks in Antarctica, extending 450 km in a NE-SW direction, comprising the Argentina Range, Forrestal Range, Dufek Massif, Cordiner Peaks, Neptune Range, Patuxent Range, Rambo Nunataks and Pecora Escarpment...
in Antarctica. It was mapped by United States Geological Survey
United States Geological Survey
The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...
(USGS) from surveys and U.S. Navy air photos, 1956–66, and was named by the Advisory Committee on Antarctic Names
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...
(US-ACAN) for its prominent position at the north end of the Forrestal Range.