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蛇紋岩

蛇紋岩
变质岩
成分
主要以蛇紋石族的礦物為主
物理特徵
組構通常不具葉理
關聯
原岩超基性岩(如:純橄欖岩橄欖岩


來自美國加利福尼亞州金門國家遊樂區英语Golden Gate National Recreation Area的蛇紋岩樣品
鉻鐵礦蛇紋岩(7.9公分寬),奧地利史泰爾馬克邦原岩是一種元古宙-古生代早期上地函純橄欖岩橄欖岩,在泥盆紀、二疊紀和中生代期間多次變質
來自奧地利圖克斯山的緊密摺疊蛇紋岩。特寫視圖大約30公分×20公分。

蛇紋岩英语:Serpentinite),主要由蛇紋石(Serpentine)礦物組成,為變質超基性岩,由富含鎂之矽酸鹽礦物,如長石等經熱水蝕變或變質作用,将超基性岩石中的橄榄石辉石與水作用发生蛇纹石化,从而形成的一种变质岩。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,而蛇纹岩中的石棉可以作为耐火材料,可以作为提炼镁肥的原料,伴生的矿物磁铁矿铁矿、铁矿、镁矿、滑石石棉等。

蛇紋岩產地分布在臺灣的南澳、豐田、萬榮、瑞穗、玉里、關山與臺東地區以及中國大陸的内蒙古甘肃云南四川西藏等地。[1]

地層和礦物學

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制氫

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海底熱泉和泥火山

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失落之城熱液田英语Lost City Hydrothermal Field的白色碳酸鹽礦物塔尖

生態

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參見

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參考資料

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外部連結

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蛇紋岩
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