...变粒岩（leptynite）是由粉砂岩、硬砂岩、中 - 酸性火山凝灰岩等经区域变质作用形成的变质岩。
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... 长英粒变岩 leptite 长英粒变岩 leptynite 长英片麻岩 halleflintgneiss ...
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The rock mass consists of fresh sericite quartz phyllite or fresh leptynite.
岩体为新鲜绢云母石英千枚岩或新鲜变粒岩。
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It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks.
结果表明，该区的斜长角闪岩是由大洋拉斑玄武岩变质而成，变粒岩则是由酸性沉积岩变质而成。
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