斜长石碎屑中钠长石组分逐渐增多，钙长石组分逐渐减少，最终形成纯钠端元的钠长石。

The albite component increases while anorthic component decreases in detrital plagioclase. The plagioclase turned into an end - member component of albite.

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斜长石碎屑中钠长石组分逐渐增多，钙长石组分逐渐减少，最终形成纯钠端元的钠长石。

The albite component increases while anorthic component decreases in detrital plagioclase. The plagioclase turned into an end - member component of albite.

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