| 草原牧羊人 |
2015-05-17 08:56 |
翠华山山崩国家地质公园位于陕西省西安市长安县，总面积32平方公里，主要地质遗迹类型为山崩地质遗迹。翠华山距西安约23公里，是终南山的支峰，山上名胜古迹很多，风景如画，因汉武帝曾在此祭太乙神，又称太乙山。
翠华山属秦岭山脉，由中元古界（距今10亿年前）变质杂岩组成，秦岭北麓大断层从山北侧通过。该断层目前仍在活动，其北侧相对下降形成吴中平原，南侧抬升形成高耸立的秦岭，一万年以来平均每年上升1.73-3.4毫米。强烈的断裂活动，加上构成翠华山山体的岩石质坚性脆，又地处地震带且多瀑雨，从而引起山体崩落。这里的山崩地质作用形成了一系列山崩地质景观如：山崩悬崖景观、山崩石海景观、山崩地堆砌洞穴景观、山崩堰塞湖景观、山崩瀑流景观及山崩形成的各种造型奇石景观等。
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