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Raton Basin
The Raton Basin is a geologic structural basin in southern Colorado and northern New Mexico. It takes its name from Raton Pass and the town of Raton, New Mexico. In extent, the basin is approximately east-west, and north-south, in Huerfano and Las Animas Counties, Colorado, and Colfax County, New Mexico. The basin has long been a source of coal, and more recently of coalbed methane. It is known for its well-preserved exposures of the Cretaceous–Paleogene boundary (K–T boundary), which has been intensively studied for evidence of meteorite impact. ==Topography== Although structurally a basin, the Raton Basin forms a topographic high dissected by eastward-flowing streams such as the Purgatoire River. The basin forms the foothills of the Rocky Mountains, immediately east of the Sangre de Cristo Range.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Raton Basin」の詳細全文を読む
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