The geochemical characteristics and tectonic setting of volcanic rocks from early Carboniferous Zaduo group in Suojia area,Zhiduo County,eastern Qiangtang
Geology and Mineral Resources of South China(2009)
Abstract
The volcanics of lower Carboniferous Zaduo group which is found in Zhiduo county,weastern Qiangtang block,is mainly consist of basic lavas.These basalt rocks are belongs to calc-alkali rock series,and have get enriched in light rare earth elements and lithophile elements,and slightly negative Eu anomaly,and fractionated high field strength elements,which indicate these basalt lavas formed in intra-continental extension environment.
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Key words
Suojia,eastern Qiangtang,volcanic rocks,tectonic setting
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