Beacon Dome () is a large dome-like

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...

. It is high, and stands at the head of

Griffith Glacier Griffith Glacier () is a tributary glacier draining westward from Beacon Dome, the California Plateau and the Watson Escarpment in Antarctica to enter Scott Glacier between Mount McKercher and Mount Meeks. It was mapped by the United States ...

along the

Watson Escarpment Watson Escarpment () is a major escarpment in the Queen Maud Mountains, trending northward along the east margin of Scott Glacier, then eastward to Reedy Glacier where it turns southward along the glacier's west side. Somewhat arcuate, the escarp ...

. It was mapped by the

United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the 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, ...

from surveys and from U.S. Navy air photos, 1960–64, and was so named by the

New Zealand Geological Survey Antarctic Expedition The New Zealand Geological Survey Antarctic Expedition (NZGSAE) describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active throughout the 1950s and 1960s. Features named by the expeditions 1957 ...

(1969–70) because the mountain is composed of a granite basement with horizontally layered rocks of the Beacon Supergroup above.

References

* Mountains of Marie Byrd Land {{MarieByrdLand-geo-stub