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Articles

Survey of reasons impermanent phenocrysts plagioclase and hornblend in Hosseinabad volcanic rocks(southwest Birjand)

Writers : Keramati, F.; Mohammadi, S.; Zarrinkub, M. H.; Yousefi, F.
Refference : The Forth National Geological Conference of Payam Noor University(PNU)
Publishing Year : 1389

Abstract :

The stadied area is a part of Sistan suture zone and ophiolitmelang of southwest Birjand that tertiary volcanic rocks cut this complex. petrography evidence show that composition of this rock are andesite. plagioclase and hornblend are most phenocryst. Cpx and Bio are other. study microscopic show imbalance texture such as sieved texture plagioclase, globular phenocryst , Resorption, zoning and reaction rims.


Subject List : volcanic rocks

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