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Saint Johns Range
Saint Johns Range () is a crescent-shaped mountain range about long, in Victoria Land. It is bounded on the north by the Cotton, Miller and Debenham Glaciers, and on the south by Victoria Valley and the Victoria Upper and Victoria Lower Glaciers. Its eastern end is formed by a spur called Lizards Foot. Named by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition, 1956–58, which surveyed peaks in the range in 1957. Named for St. John's College at Cambridge, England, with which several members of the British Antarctic Expedition (1910–13) were associated during the writing of their scientific reports, and in association with the adjacent Gonville and Caius Range. Kuivinen Ridge Kuivinen Ridge () is a transverse ridge extending southwest–northeast across the Saint Johns Range between an unnamed glacier and the Ringer Glacier in Victoria Land. The ridge is long and rises to at Lanyon Peak. It was named by the Advisory Committee on Antarct ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountain
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than a hill, typically rising at least 300 metres (1,000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges. Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, as well as through erosion by rivers and glaciers. High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect the ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
