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词汇 Crystalline basement
分类 英语词汇 英语翻译词典
释义

Crystalline basement

英语例句库

Chen Huifang. 1991.Discovery of the old crystalline basement and komatiite on Hainan island.Geotectonica et Metallogenia,15(1) :62.

[1]陈惠芳.1991.海南岛前寒武纪结晶基底和科马提岩的发现.大地构造与成矿学,15(1):62.

英语百科

Basement (geology)

 Gneiss outcrop, basement rock, Scotland.

In geology, basement and crystalline basement are the rocks below a sedimentary platform or cover, or more generally any rock below sedimentary rocks or sedimentary basins that are metamorphic or igneous in origin. In the same way the sediments or sedimentary rocks on top of the basement can be called a "cover" or "sedimentary cover".

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