The Cordiner Peaks () are a group of peaks extending over an area of standing southwest of

Dufek Massif The Dufek Massif () is a rugged, largely snow-covered massif long, standing west of the Forrestal Range in the northern part of the Pensacola Mountains, Antarctica. Discovery and name The Dufek Massif was discovered and photographed on Januar ...

in the northern part 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 ...

, Antarctica.

Discovery and name

The Cordiner Peaks were discovered and photographed on January 13, 1956, in the course of a transcontinental nonstop plane flight by personnel of United States Navy

Operation Deep Freeze Operation Deep Freeze is the code name for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on. (There was an init ...

I from

McMurdo Sound The McMurdo Sound is a sound in Antarctica, known as the southernmost passable body of water in the world, located approximately from the South Pole. Captain James Clark Ross discovered the sound in February 1841 and named it after Lieutenant ...

to the

Weddell Sea The Weddell Sea is part of the Southern Ocean and contains the Weddell Gyre. Its land boundaries are defined by the bay formed from the coasts of Coats Land and the Antarctic Peninsula. The easternmost point is Cape Norvegia at Princess Martha C ...

and return. They were 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 ...

for Captain Douglas L. Cordiner,

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Department of Defense. It is the world's most powerful navy with the largest displacement, at 4.5 million tons in 2021. It has the world's largest aircraft ...

, an observer on the

P2V-2N Neptune The Lockheed P-2 Neptune (designated P2V by the United States Navy prior to September 1962) is a maritime patrol and anti-submarine warfare (ASW) aircraft. It was developed for the US Navy by Lockheed to replace the Lockheed PV-1 Ventura and P ...

aircraft making this flight. The entire Pensacola Mountains were mapped by the

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) in 1967 and 1968 from ground surveys and from United States Navy tricamera aerial photographs taken in 1964.

Location

The Cordiner Peaks are to the east of the mouth of the

Foundation 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 ...

on the Ronne Ice Shelf. The Jaburg Glacier flows westward past their north side, to the south of the

. They are north of the

Spanley Rocks Mount Moffat () is a mountain, high, standing northeast of Mount Ege in the Neptune Range, Pensacola Mountains, Antarctica. Mapping and naming Mount Moffat was mapped by the United States Geological Survey from surveys and United States Navy ...

at the north end of the

Neptune Range The Neptune Range () is a mountain range, long, lying west-southwest of Forrestal Range in the central part of the Pensacola Mountains, Antarctica. The range comprises Washington Escarpment with its associated ridges, valleys and peaks, the Iro ...

. Features, from north to south, include Rosser Ridge, Sumrall Peak and Jackson Peak.

Features

Jaburg Glacier

. A broad glacier draining westward between Dufek Massif and Cordiner Peaks. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by US-ACAN for Lieutenant Conrad J. Jaburg, United States Navy, helicopter pilot, Ellsworth Station winter party, 1957.

Rosser Ridge

. A rock ridge, long, marking the north limit of the Cordiner Peaks. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by US-ACAN for Earl W. Rosser, topographic engineer in the Pensacola Mountains, 1965-66.

Sumrall Peak

. A peak, high, standing south of Rosser Ridge in the Cordiner Peaks. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by US-ACAN for Ens. William H. Sumrall, United States Navy Reserve, airplane pilot, Ellsworth Station winter party, 1957.

Jackson Peak

. A peak, high, standing south of Sumrall Peak. Mapped by USGS from surveys and United States Navy air photos, 1956-66. Named by US-ACAN for Allen M. Jackson, aviation electronics technician, Ellsworth Station winter party, 1957.

References

Sources

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