黔东下寒武统黑色页岩微量元素的富集及成因分析 |
杨恩林 |
Enrichment and Origin of Some Trace Elements in Black Shales from the Early Cambrian in Eastern Guizhou Province |
图 2 镇远ZY), 松桃(ST)剖面微量元素蛛网图(WZ曲线为维诺格拉多夫值) Fig.2 The trace elements of spider diagrams from the the Zhenyuan and Songtao sections |
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