Phillips Mountains () is a range of mountains on the north side of
Balchen Glacier and
Block Bay Block Bay () is a long ice-filled bay lying east of Guest Peninsula along the coast of Marie Byrd Land. It was discovered in 1929 by the Byrd Antarctic Expedition, and named by Richard E. Byrd for Paul Block, newspaper publisher and patron of the ...
in the
Ford Ranges
The Ford Ranges () are a grouping of mountain ranges standing east of Sulzberger Ice Shelf and Block Bay in the northwest part of Marie Byrd Land, Antarctica. Discovered by the Byrd Antarctic Expedition on December 5, 1929, they were named by Byr ...
,
Marie Byrd Land
Marie Byrd Land (MBL) is an unclaimed region of Antarctica. With an area of , it is the largest unclaimed territory on Earth. It was named after the wife of American naval officer Richard E. Byrd, who explored the region in the early 20th centur ...
,
West Antarctica
West Antarctica, or Lesser Antarctica, one of the two major regions of Antarctica, is the part of that continent that lies within the Western Hemisphere, and includes the Antarctic Peninsula. It is separated from East Antarctica by the Transant ...
. Discovered by the
Byrd Antarctic Expedition
Richard Evelyn Byrd Jr. (October 25, 1888 – March 11, 1957) was an American naval officer and explorer. He was a recipient of the Medal of Honor, the highest honor for valor given by the United States, and was a pioneering American aviator, p ...
(1928–30) and named by Byrd for Albanus Phillips, Sr., a manufacturer in Cambridge, Maryland, United States, and patron of the Byrd expeditions.
Geography and geology
The range spans about from west to east with elevations near 1000 m.
[Wade, F. A., C. A. Cathey, and J. B. Oldham (1977), Reconnaissance geologic map of the Guest Peninsula quadrangle, Marie Byrd Land, Antarctica, Map A-7, U. S. Antarctic Research Program, Reston, VA.][Wade, F. A., C. A. Cathey, and J. B. Oldham (1978), Reconnaissance geologic map of the Gutenko Nunataks quadrangle, Marie Byrd Land, Antarctica, Map A-11, U. S. Antarctic Research Program.] Individual mountains are aligned northeast–southwest or northwest–southeast.
Mountains and
nunataks are composed of either Ford
granodiorite
Granodiorite () is a coarse-grained ( phaneritic) intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar.
The term banatite is sometimes used informally for various rocks ranging from gr ...
(
Devonian
The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, w ...
age), or Byrd Coast
granite
Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies und ...
(
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...
age).
Nunataks are mostly found north of the mountain range.
Peaks, Nunataks, and Rocks
Peaks
*
Mount Carbone
*
Mount June
Mount June () is a mountain, elevation 1090 m,Wade, F. A., C. A. Cathey, and J. B. Oldham (1977), Reconnaissance geologic map of the Guest Peninsula quadrangle, Marie Byrd Land, Antarctica, Map A-7, U. S. Antarctic Research Program, Reston, VA. we ...
*
Mount Paige
Nunataks
*
Abele Nunatak
*
Herrmann Nunatak
*
Hutcheson Nunataks
*
Reddick Nunatak
Rocks and features
*
Adams Rocks Adams Rocks () is a pair of large rock outcrops that overlook the inner part of Block Bay from northward, located west of Mount June, Phillips Mountains, in the Ford Ranges of Marie Byrd Land. Mapped by United States Antarctic Service (USAS) (19 ...
*
Favela Rocks
*
Groux Rock
*
Lewis Rocks
*
Webster Bluff
Webster Bluff () is an ice-covered bluff with a steep, rocky north face, 9 nautical miles (17 km) long, forming a northern extension of the Phillips Mountains in Marie Byrd Land. Mapped by United States Geological Survey (USGS) from surve ...
Further reading
* Donna Whitney, Christian Teyssier, Christine S. Siddoway,
Gneiss Domes in Orogeny', P 271
* Bruce Luyendyk, Stan Cisowski, Christine Smith, Steve Richard, David Kimbrough,
Paleomagnetic study of the northern Ford Ranges, western Marie Byrd Land, West Antarctica: Motion between West and East Antarctica', https://doi.org/10.1029/95TC02524
* S. M. Richard, C. H. Smith, D. L. Kimbrough, Paul G Fitzgerald, B. P. Luyendyk, M. O. McWilliams,
Cooling history of the northern Ford Ranges, Marie Byrd Land, West Antarctica', Tectonics, 13(4), 837–857.
* Bruce Luyendyk, Steve Richard, Christine Smith, David Kimbrough, 1991, Geological and geophysical investigations in the northern Ford Ranges, Marie Byrd Land, West Antarctica,
Antarctic Journal of the United States, Volume 26', P 37 - 40.
References
Ford Ranges
Mountains of Antarctica
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