Acid volcanic rocks of devonian basalt-rhyolite formation of rudny Altai, their facies and petrogenesis

Abstract

An explanation of internal contrast structure of silicate volcanic rocks of basalt-rhyolite formation of Rudniy Altai. There is a substrantiation of a type of rhyolite belonging to ignimbrites.

Keywords

• игнимбриты
• кремнекислые вулканиты
• газонасыщенные вулканиты
• летучие компоненты