Writers : Keramati, F.; Mohammadi, S.; Zarin Koub, M. H.; Yusefi, F.
Refference : 1st Symposium of Iranian Society of Economic Geology
Publishing Year : 1389

Abstract :

A suite of tertiary andesitic volcanic rocks in southwest Birjand cut some utits of oceanic lithosphere. the composition of rocks are andesite in Hosseinabad area. main phenocrysts are areplagioclase, hornblend, pyroxene and biotite. there are evidenc show these rocks have altered to argiliic, carbonate, zeolitize , opaciten.argiliic and carbonatiziation are important fore Ag,As,Pb,Hg.

Subject List : Altration