World rocks photo collection
Andesite-dacite
Rock type:
Age:
98 millions years
Submitted 2 years 10 months ago by rock.
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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