Inclusion Hill
Encyclopedia
Inclusion Hill is a prominent steeply concial
hill
, 335 m, between McDonald Beach
and the Mount Bird
icecap on Ross Island
. It is a trachyte
plug, in parts containing numerous inclusions of basalt
. Explored and descriptively named by the New Zealand Geological Survey Antarctic Expedition
(NZGSAE), 1958-59.
Cone (geometry)
A cone is an n-dimensional geometric shape that tapers smoothly from a base to a point called the apex or vertex. Formally, it is the solid figure formed by the locus of all straight line segments that join the apex to the base...
hill
Hill
A hill is a landform that extends above the surrounding terrain. Hills often have a distinct summit, although in areas with scarp/dip topography a hill may refer to a particular section of flat terrain without a massive summit A hill is a landform that extends above the surrounding terrain. Hills...
, 335 m, between McDonald Beach
McDonald Beach
McDonald Beach is an extensive beach lying west of Inclusion Hill and 6 nautical miles southwest of Cape Bird on Ross Island. Named by the New Zealand Geological Survey Antarctic Expedition , 1958–59, after Captain Edwin A. McDonald, then Deputy Commander, U.S...
and the Mount Bird
Mount Bird
Mount Bird is a stratovolcano, high, standing about south of Cape Bird, the northern extremity of Ross Island. It was mapped by the British National Antarctic Expedition, 1901–04, under Robert Falcon Scott, and apparently named by them after Cape Bird. Shell Glacier and Endeavour Piedmont Glacier...
icecap on Ross Island
Ross Island
Ross Island is an island formed by four volcanoes in the Ross Sea near the continent of Antarctica, off the coast of Victoria Land in McMurdo Sound.-Geography:...
. It is a trachyte
Trachyte
Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present....
plug, in parts containing numerous inclusions of basalt
Basalt
Basalt is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey...
. Explored and descriptively named by the New Zealand Geological Survey Antarctic Expedition
New Zealand Geological Survey Antarctic Expedition
The New Zealand Geological Survey Antarctic Expedition describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active in 1957-58 and again in 1958-59. The 1957-58 expedition went to the Ross Dependency and named the Borchgrevink Glacier...
(NZGSAE), 1958-59.