The sedimentary systems were divided according to the characteristics in rock types, color and authigene.

根据岩石类型、颜色、自生矿物等特征，对沉积体系进行划分。

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The sedimentary systems were divided 7 facies and 12 subfacies according to the characteristics in rock types, color, authigene and biological fossil.

根据岩石类型、颜色、自生矿物、生物化石等特征，进一步将上古生界沉积体系划分为7种沉积相和12种沉积亚相。

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These sedimentary characteristics show the favorable condition of reservoir rock and the favorable potential of oil and gas exploration.

这一沉积特征展示了松辽盆地北部西部断陷带登娄库组三段储层十分发育，具有良好的油气勘探前景。

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