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Sierras Pampeanas
The Sierras Pampeanas (also called Central Sierras or Pampas Sierras) (English: Pampas Mountains) is a geographical region of Argentina.
The Sierras Pampeanas are a chain of mountains that rise sharply from the surrounding pampa region of Northwest Argentina. They run parallel to the Andes Mountains and their crest line is some east of the Andes crest line (running from 29° to 35° S latitude at about 65° W longitude). They cross into seven Argentina provinces: San Luis, San Juan, Córdoba, La Rioja, Catamarca, Santiago del Estero and Tucumán.
==Geography==
The highest point of the Sierras Pampeanas is Cerro General Belgrano (6250 m above sea level) in La Rioja, in the Famatina area. Between the high points are several salt-filled depressions. The Salinas Grandes depression is located in Cordoba, La Rioja, Catamarca and Santiago del Estero. A characteristic of many of these mountain ranges is their morphological asymmetry: the western slopes are usually steeper than the eastern slopes, thus the former are sometimes called ''coasts'' and the latter are called ''skirts''. The narrow valleys are called "broken" or "open"; the narrow openings between valleys are called "doors".
Due to erosion and other geologic forces (volcanoes, glaciers, rivers, tectonic etc.), the surface of this area varies widely. It includes cliffs and narrow channels of some rivers which are named "drawers" (if they are of moderate size) or "guns "(if they are older); there are abundant caves, grottos and overhangs. Some mountains are separated by significant open areas (too large to be considered a "valley"); these are called "barreales" (mud-flats) or "pampas" (grassy plains).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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