The role of crustal contamination and differentiation in the formation of the Eocene volcanic rocks in Jirande area (Northwest of Qazvin)
The Eocene volcanic rocks in Jirande area are dominated by basalt, andesite, trachyt and trachyandesite, which range from basic to intermediate rocks. Plagioclase as major mineral in igneous rocks makes up the largest percentage mineral in these rocks. Clinopyroxene and olivine in basaltic rocks and...
Main Authors: | , , |
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Format: | Article |
Language: | fas |
Published: |
University of Isfahan
2018-03-01
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Series: | Petrology |
Subjects: | |
Online Access: | http://ijp.ui.ac.ir/article_22503_dba3db4893be08b636f9e8dc7a40745e.pdf |