Mackay Mountains
Template:Short description Template:Use dmy dates Template:Infobox mountain The Mackay Mountains (Script error: No such module "Coordinates".) are a prominent group of peaks Script error: No such module "convert". south of the Allegheny Mountains in the Ford Ranges of Marie Byrd Land, Antarctica.Template:Sfn
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Location
The Mackay Mountains are south of the upper Boyd Glacier and east of the Hammond Glacier. They are southeast of the Sarnoff Mountains, south of the Allegheny Mountains and southwest of the Clark Mountains. The isolated Lewisohn Nunatak is to the southeast. Features, from west to east, include Vivian Nunatak, Mount Monson and Mount Palombo.Template:Sfn
Geology
The Mackay Mountains and Lewisohn Nunatak contain the Lewisohn Member, a volcano-dominated unit of the Swanson Formation, which is a quartzose metaflysch sequence at least Script error: No such module "convert". thick that was probably deposited on a submarine fan.Template:Sfn In Mackay Mountains the isochron age for the metamorphism of the Swanson Formation is 444 ± 4Ma.Template:Sfn
Discovery and name
The Mackay Mountains were discovered by the Byrd Antarctic Expedition (ByrdAE) in 1934. They were named for Clarence Mackay of the Postal Telegraph and Mackay Radio Companies, a benefactor of the expedition.Template:Sfn
Features
Features and nearby features include:
Vivian Nunatak
Script error: No such module "Coordinates".. A nunatak which marks the southwest extremity of the Mackay Mountains. Mapped by the United States Antarctic Service (USAS; 1939–41) and by the United States Geological Survey (USGS) from surveys and United States Navy air photos (1959-65). Named by the United States Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant John F. Vivian, United States Navy Reserve, co-pilot of LC-130F Hercules aircraft during Operation Deep Freeze 1968.Template:Sfn
Mount Monson
Script error: No such module "Coordinates".. The highest summit, Script error: No such module "convert". high, in the Mackay Mountains, situated Script error: No such module "convert". northeast of Vivian Nunatak in the southwest part of the group. Mapped by USAS (1939–41) and by USGS from surveys and United States Navy air photos (1959-65) Named by US-ACAN for Lieutenant Laurence C. Monson III, United States Navy Reserve, co-pilot of LC-130F Hercules aircraft during Operation Deep Freeze 1968.Template:Sfn
Mount Palombo
Script error: No such module "Coordinates".. A mountain Script error: No such module "convert". high marking the northeast end of the Mackay Mountains. Mapped by USAS (1939–41) and by USGS from surveys and United States Navy air photos (1959-65). Named by US-ACAN for Lieutenant Robert A. Palombo, United States Navy, aircraft commander during Operation Deep Freeze 1968.Template:Sfn
Lewisohn Nunatak
Script error: No such module "Coordinates".. An isolated nunatak, Script error: No such module "convert". high, southeast of the Mackay Mountains. Discovered and mapped by the USAS (1939-41). Named by US-ACAN for Walter P. Lewisohn, radio operator with the ByrdAE (1933-35).Template:Sfn
References
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Sources
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