Centropleura Spur
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Centropleura Spur () is the southwest spur of a small massif enclosing a
cirque A (; from the Latin word ') is an amphitheatre-like valley formed by glacial erosion. Alternative names for this landform are corrie (from Scottish Gaelic , meaning a pot or cauldron) and (; ). A cirque may also be a similarly shaped landform ...
, located at the head of
Carryer Glacier Carryer Glacier is a heavily crevassed tributary glacier, long, which drains westward from the central part of the Bowers Mountains and enters Rennick Glacier between Mount Soza and Mount Gow, Victoria Land, Antarctica. The glacier was named by ...
, northeast of Mount Jamroga, in the
Bowers Mountains __NOTOC__ Bowers Mountains () is a group of north–south trending mountains in Antarctica, about 145 km (90 mi) long and 56 km (35 mi) wide, bounded by the coast on the north and by the Rennick, Canham, Black and Lillie gla ...
, a major mountain range lying within
Victoria Land Victoria Land is a region in eastern Antarctica which fronts the western side of the Ross Sea and the Ross Ice Shelf, extending southward from about 70°30'S to 78°00'S, and westward from the Ross Sea to the edge of the Antarctic Plateau. It ...
,
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...
. The geographical feature lies situated on the
Pennell Coast Pennell Coast is that portion of the coast of Antarctica between Cape Williams and Cape Adare. To the west of Cape Williams lies Oates Coast, and to the east and south of Cape Adare lies Borchgrevink Coast. Named by New Zealand Antarctic Place- ...
, a portion of Antarctica lying between
Cape Williams Cape Williams () is an ice-covered cape in Antarctica. It is the termination of Buell Peninsula at the east side of the terminus of Lillie Glacier at the lower ends of George Glacier and Zykov Glacier. The peninsula is 15 nautical miles (28 km) ...
and
Cape Adare Cape Adare is a prominent cape of black basalt forming the northern tip of the Adare Peninsula and the north-easternmost extremity of Victoria Land, East Antarctica. Description Marking the north end of Borchgrevink Coast and the west e ...
.


Paleontology

Centropleura Spur consists of the deeply eroded and steeply dipping
strata In geology and related fields, a stratum ( : strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by visible surfaces known as ei ...
of the Camp Ridge Quartzite and Spurs Formation.Jago, J.B., Bentley, C.J. and Cooper, R.A., 2012. ''A Cambrian series 3 (Guzhangian) fauna with 'Centropleura' from Northern Victoria Land, Antarctica.'' ''Memoirs of the Association of Australasian Palaeontologists'', 42, pp.15-35. Scientific parties visiting this area in 1974–75 and 1981–82 found rare indentifiable specimens of the
Middle Cambrian Middle or The Middle may refer to: * Centre (geometry), the point equally distant from the outer limits. Places * Middle (sheading), a subdivision of the Isle of Man * Middle Bay (disambiguation) * Middle Brook (disambiguation) * Middle Creek (di ...
trilobite Trilobites (; meaning "three lobes") are extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the At ...
, ''Centropleura'', and other
fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s in an
outcrop An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth. Features Outcrops do not cover the majority of the Earth's land surface because in most places the bedrock or superficial ...
of the Spurs Formation on Centropleura Spur.


See also

* Eureka Spurs * Reilly Ridge


References

Paleontological sites of Antarctica Ridges of Victoria Land Pennell Coast {{VictoriaLand-geo-stub