Glauconite as a typical facies mineral is generally regarded as accompanied with transgression sequence, with a low sedimentation rate.

海绿石是海相沉积的指相矿物，通常形成于海进系列，与低的沉积物供应速率有关。

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This band also contains several layers of a mineral called glauconite, each of which would have taken tens of thousands of years to form.

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