认为扎尔则油田泥盆系F4层的沉积相是海洋环境下重力流沉积形成的水下扇，从下到上为一海退—海进沉积序列。
It is considered that F4 layer is a submarine fan generated by gravity flow in marine environment, with a regressive-transgressive sequence from the lower to the upper parts.
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。
Glauconite as a typical facies mineral is generally regarded as accompanied with transgression sequence, with a low sedimentation rate.
中更新世与晚更新世早期的海进较弱，仅有海陆过渡相沉积。
The transgressions of Middle Pleistocene and the early Late Pleistocene were weak and represented by deposits of the transitional nature from Marine to continental facies...
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