Abstract
Abstract In this paper, 183 chemical analyses of clinopyroxenes are collected from mantle‐derived inclusions in Cenozoic basalts of eastern China. Through synthetic studies of the relevant data, their mineral chemistry and geological significance are discussed. Based on the composition of clinopyroxenes the authors conclude that the Cenozoic upper mantle in eastern China is of the continental, primitive, metasomatic and high‐ temperature types and is related to rift structural environment and variation in composition of basalts. The geobarometry of clinopyroxenes indicates that Cenozoic basalts of eastern China are derived from the asthenosphere and that the average depth of faults progressively increases from south to north and from east to west.
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