The mechanism of its formation. Feldspar was hydromicatized, some feldspar, quarts detrital silicate minerals were replaced to redden by the authigenesis of hematite and goethite.
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释义
其形成机理是:在形成长石砂岩红层的成岩后生作用中,长石被水云母化,长石、石英被自生的赤铁砂、针铁矿及水针铁矿所交代而变红。
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