Pecora Escarpment
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The Pecora Escarpment () is an irregular escarpment, long, standing southwest of
Patuxent Range The Patuxent Range () is a major range of the Pensacola Mountains, Antarctica. It comprises the Thomas Hills, Anderson Hills, Mackin Table and various nunataks and ridges bounded by the Foundation Ice Stream, Academy Glacier and the Patuxent I ...
and marking the southernmost exposed rocks of the
Pensacola Mountains The Pensacola Mountains () are a large group of mountain ranges and peaks that extend in a northeast–southwest direction in the Transantarctic Mountains System, Queen Elizabeth Land region of Antarctica. They comprise the Argentina Range, Forre ...
.


Exploration and name

The Pecora Escarpment was mapped by
United States Geological Survey The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on Mar ...
(USGS) from surveys and
United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...
air photos in 1956–66. It was named by Dwight Schmidt, geologist to the Pensacola Mountains, 1962–66, for
William Thomas Pecora William Thomas Pecora II (February 1, 1913 – July 19, 1972) was an American geologist who served as 8th Director of the U.S. Geological Survey and later as Under Secretary of the Interior. Pecora had a successful career in both scientific an ...
, eighth director of the United States Geological Survey, 1965–71.


Location

The Pecora Escarpment is an isolated at the southwest end of the Pensacola Mountains. It is south of the
Patuxent Ice Stream Foundation Ice Stream () is a major ice stream in the Pensacola Mountains of Antarctica. The ice stream drains northward for along the west side of the Patuxent Range and the Neptune Range to enter the Ronne Ice Shelf westward of Dufek Massi ...
. The
Patuxent Range The Patuxent Range () is a major range of the Pensacola Mountains, Antarctica. It comprises the Thomas Hills, Anderson Hills, Mackin Table and various nunataks and ridges bounded by the Foundation Ice Stream, Academy Glacier and the Patuxent I ...
is to the north of the ice stream. Features, from southwest to northeast, are Horton Ledge, Damschroder Rock and Lulow Rock.


Features


Horton Ledge

. A flat rock ledge that caps the southwest extremity of Pecora Escarpment. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by the United States
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 ...
(US-ACAN) for Edward C. Horton, Jr., electronics technician at Plateau Station, winter 1966.


Damschroder Rock

. A conspicuous rock outlier, high, at the end of a snow-covered spur extending westward for from central Pecora Escarpment. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by US-ACAN for Gerald H. Damschroder, construction mechanic at Plateau Station, winter 1966.


Lulow Rock

. A prominent rock, high, which is the northernmost exposed rock along the face of the Pecora Escarpment. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by US-ACAN for William F. Lulow, cook at Plateau Station, winter 1966.


References


Sources

* * *{{Include-USGov , agency=United States Geological Survey Escarpments of Queen Elizabeth Land