World rocks photo collection
Jasper-like siliceous rocks
Rock type:
Age:
296 millions years
Submitted 4 years 8 months ago by rock.
Jasper-like siliceous rocks. Volcanogenic-sedimentary deposits. Carboniferous? Voronezhskaya series. Fossil: radiolarians - Cenosphaera, Dorysphaera, Tricolocapsa, Dictyomitra, Lithomitra. In the lenses of limestone: Triticites aff. paraschwageriniformis Rasov., ex gr. arcticus (Shell.). C3vr. (C2 - IUGS)
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