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单词 Serpentine rock
释义

Serpentine rock

中文百科

蛇纹岩 Serpentinite

(重定向自Serpentine rock)
Chromitic serpentinite  (7.9 cm across), Styria Province, Austria. Protolith was  a Proterozoic-Early Paleozoic upper mantle dunite peridotite that has been multiply metamorphosed during the Devonian, Permian, and Mesozoic.
Tightly folded serpentinite from the  Tux Alps, Austria. Closeup view about 30cm × 20cm.

蛇纹岩是一种由于区域变质作用或热液交代作用,将超基性岩石中的橄榄石和辉石发生蛇纹石化,从而形成的一种变质岩石。

蛇纹岩质软,具有滑感,主要由蛇纹石组成,颜色一般为灰绿色、黑绿色或黄绿色,色泽不均匀,颜色鲜艳半透明的蛇纹岩可以作为工艺品原料或建筑装饰材料,蛇纹岩石棉可以作为耐火材料,可以作为提炼镁或钙磷镁肥的原料,伴生的矿物有磁铁矿、钛铁矿、铬铁矿、菱镁矿、滑石、石棉、镍、钴、铂等。

中国蛇纹岩主要分布在内蒙、甘肃、云南、四川、**等地。

英语百科

Serpentinite 蛇纹岩

(重定向自Serpentine rock)
A sample of serpentinite rock, partially made up of chrysotile, from Slovakia
Sample of serpentinite from the Golden Gate National Recreation Area, California, USA
Chromitic serpentinite  (7.9 cm across), Styria Province, Austria. Protolith was  a Proterozoic-Early Paleozoic upper mantle dunite peridotite that has been multiply metamorphosed during the Devonian, Permian, and Mesozoic.
Tightly folded serpentinite from the  Tux Alps, Austria. Closeup view about 30cm × 20cm.

Serpentinite is a rock composed of one or more serpentine group minerals. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth's mantle. The mineral alteration is particularly important at the sea floor at tectonic plate boundaries.

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更新时间:2025/6/17 18:53:20