Andesite-dacite

Rock type: 
Age: 
98 millions years

Russia, Khabarovsk territory, mount Shchebenchikha. Light gray andesite-dacites with porphyry plagioclase and hornblende. Very strongly altered. Plagioclase is often replaced by carbonates. Hornblende is opacitized. Cretaceous, cenomanian.

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