Difference between revisions of "Usas Escarpment"
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[[File:usas.jpg|thumb|upright=1.75]] | [[File:usas.jpg|thumb|upright=1.75]] | ||
The '''U.S.A.S. Escarpment''' (76°0′S 130°0′W) is an expansive but discontinuous north-facing escarpment in Westarctica. It is about 320 | The '''U.S.A.S. Escarpment''' (76°0′S 130°0′W) is an expansive but discontinuous north-facing escarpment in [[Westarctica]]. | ||
It is about 320 kilometers (199 mi) long, extending roughly west to east along the 76th parallel south from where the elevation of the snow surface descends toward the [[Ruppert Coast]] and [[Hobbs Coast]]. The position of the escarpment coincides with the north slopes of the [[Flood Range]], [[Ames Range]], [[McCuddin Mountains]], and the eastern peaks of [[Mount Galla]], [[Mount Aldaz]] and [[Benes Peak]]. | |||
==Discovery and name== | |||
The escarpment was observed by members of the United States [[Antarctica|Antarctic]] Service, 1939-41, and in ensuing scientific reports was referred to as the "76th Parallel Escarpment." | |||
The approved name is an acronym for the discovery expedition. | |||
[[Category: Geography of Westarctica]] | [[Category: Geography of Westarctica]] | ||
Revision as of 06:42, 8 June 2018
The U.S.A.S. Escarpment (76°0′S 130°0′W) is an expansive but discontinuous north-facing escarpment in Westarctica.
It is about 320 kilometers (199 mi) long, extending roughly west to east along the 76th parallel south from where the elevation of the snow surface descends toward the Ruppert Coast and Hobbs Coast. The position of the escarpment coincides with the north slopes of the Flood Range, Ames Range, McCuddin Mountains, and the eastern peaks of Mount Galla, Mount Aldaz and Benes Peak.
Discovery and name
The escarpment was observed by members of the United States Antarctic Service, 1939-41, and in ensuing scientific reports was referred to as the "76th Parallel Escarpment."
The approved name is an acronym for the discovery expedition.