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A Compositionally Zoned Ash-flow Sheet in Southern Nevada

Peter W. LipmanRobert L. ChristiansenJoseph Tappan O'Connor

出版	U.S. Government Printing Office, 1966
URL	http://books.google.com.hk/books?id=xaBdMo5E5KoC&hl=&source=gbs_api

註釋

A widespread ash-flow sheet grades from phenocryst-poor rhyolite upward into phenocryst-rich quartz latite, recording in inverted order the compositional zonation of magma in the source chamber.