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Origin of Zoned Pyroxene in the Daykes of Sub Alkali Andesite of Hassan-Abaad Village of Yazd- South-West of Taft

S. Zandifar; M. V. Valizadeh; M. A. Barghi; M. R. Foroodi Jahromi

Volume 20, Issue 77 , January 2010, , Pages 151-156

https://doi.org/10.22071/gsj.2010.55366

Abstract
  In the west and north west of Hassan-Abaad village of Yazd, massive dikes of alkali andesite in the diorite, quartz diorite and granodiorite are observed. Clinopyroxene phenocrysts in these rocks have obvious zoning. Reconnaissance work indicates that groundmass pyroxenes in the alkaline rocks are similar ...  Read More