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(2) a dis con ti nu ity be tween the two for ma tions. The palynofacies anal y sis from this geo log i cal sec tion in di cates an abun dance of con ti nen tal or ganic mat ter (mainly opaque phytoclasts), de pos ited in a dis tal set ting of the sed i men tary ba sin. The oc cur rences in the palynological as sem blage of some oce anic dinocyst taxa such as Impagidinium and Pterodinium sug gest the same depositional en vi ron ment for the geo log i cal for ma tions ana lysed.