World rocks photo collection
Russia, Jewish Autonomous Region. Massive, colored siliceous rocks. Middle-Upper Carboniferous. Ulunskaya series. Thickness - 800 metres. In the rocks, the indefinite remains of radiolarians. Age is determined relatively. C<sub>2-3</sub>ul.
Sardinia, Burgos. Equigranular monzogranites granodiorites. Upper Carboniferous-Permian.
Volcano-sedimentary succession. Conglomerates, sandstones, with alternating epiclastic rocks, volcanic breccias, lacustrine limestones, with cherty levels and anthracite lenses, shales, with plants remains, sporomorphs and pollens, ostracods and amphibians. Upper Carboniferous. Moscovian, Kasimovian, Gzhelian.... (alternatively: Westphalian D (?) - Autunian. C2
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)
Stratum bodies of diabase porphyrite in sedimentary rocks of the voronezhskoy series (C3vr - C2 IUGS). Сarboniferous?