The occurrence and significance of Pleistocene and Upper Pliocene sapropels

Numerous sapropels and sapropelic strata from Upper Pliocene and Pleistocene hemipelagic sediments of the Tyrrhenian Sea show that intermittent anoxia, possibly related to...采自第勒尼安海（Tyrrhenian Sea）上新统上部（Upper Pliocene）与更新世（Pleistocene）半远洋沉积物（hemipelagic sediments）中的大量腐泥（sapropel）及腐泥岩层（sapropelic strata）显示，存在间歇性缺氧现象，其可能与……相关