片钠铝石作为胶结物、自生矿物或脉体，不仅分布在海相白云岩、油页岩中，而且还广泛分布在陆源碎屑岩及煤系地层中。
As cement, authigenic mineral or vein, dawsonite is found not only in Marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures.
国内外海相大油气田的烃源岩均为粘土矿物含量较高的笔石页岩、油页岩和泥灰岩，形成于由台地向海槽过渡的深水斜坡环境。
High content clay mineral shale, oil shale and marlite are the main source rocks for large oil or gas fields in the world, which formed in deep water slopes between platform and open sea.
国内外海相大油气田的烃源岩均为粘土矿物含量较高的笔石页岩、油页岩和泥灰岩，形成于由台地向海槽过渡的深水斜坡环境。
High content clay mineral shale, oil shale and marlite are the main source rocks for large oil or gas fields in the world, which formed in deep water slopes between platform and open sea.
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