出典:Wikipedia
出典:『Wikipedia』 (2011/07/09 02:17 UTC 版)
A mountain range is a single, large mass consisting of a succession of mountains or narrowly spaced mountain ridges, with or without peaks, closely related in position, direction, formation, and age; a component part of a mountain system or of a mountain chain. Other definitions may include a mountain system which is a group of mountain ranges exhibiting certain unifying features, such as similarity in form, structure, and alignment, and presumably originating from the same general causes; esp. a series of ranges belonging to an orogenic belt. A mountain system or system of mountain ranges sometimes is used to combine several geological features that are geographically (regionally) related.