The geochemistry of the cherts reflects that the cherts coexisting with island-arc volcanic rocks all formed the background of continental margin basin.
硅质岩的沉积地球化学研究表明，与岛弧火山岩共生的硅质岩为生物成因，形成于大陆边缘盆地的构造背景。
The geochemistry of the cherts reflects that the cherts coexisting with island-arc volcanic rocks all formed the background of continental margin basin.
硅质岩的沉积地球化学研究表明，与岛弧火山岩共生的硅质岩为生物成因，形成于大陆边缘盆地的构造背景。
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