Russia, Khabarovsk Territory, small Khekhtsir range. Dark gray siltstones with interlayers (up to 10 cm thick) of greenish-gray fine-grained polymictic sandstones. Pionerskaya series. Thickness - 500 metres. Lower Cretaceous. Valanginian.
Russia, Khabarovsk Territory, Big Khekhtsir range. Dark gray siltstones with interlayers (up to 10 cm thick) of greenish-gray fine-grained polymictic sandstones. Pionerskaya series. Thickness - 500 metres. Accurate dating of age - no. Fossil - yes (in another area).
Russia, Khabarovsk Territory, small Khekhtsir range. Dark gray siltstones with interlayers (up to 10 cm thick) of greenish-gray fine-grained polymictic sandstones. Pionerskaya series. Thickness - 500 metres. Lower Cretaceous. Valanginian.
Russia, Amur Region, Mikhailovsky Pillars. Andesites - dark gray, greenish-gray rocks, with a massive, fluid texture. Porphyry phenocrysts up to 20%. Consist: andesine, hornblende, augite. Bulk - volcanic glass. Lower Cretaceous. Determination of absolute age - 115 million years.
Russia, Amur Region, Sergeyevskiye Pillars. Andesites - dark gray, greenish-gray rocks, with a massive, fluid texture. Porphyry phenocrysts up to 20%. Consist: andesine, hornblende, augite. Bulk - volcanic glass. Lower Cretaceous. Determination of absolute age - 115 million years.
Russia, Amur Region, Mikhailovsky Pillars. Andesites - dark gray, greenish-gray rocks, with a massive, fluid texture. Porphyry phenocrysts up to 20%. Consist: andesine, hornblende, augite. Bulk - volcanic glass. Lower Cretaceous. Determination of absolute age - 115 million years.
Russia, Amur Region, Mikhailovsky Pillars. Andesites - dark gray, greenish-gray rocks, with a massive, fluid texture. Porphyry phenocrysts up to 20%. Consist: andesine, hornblende, augite. Bulk - volcanic glass. Lower Cretaceous. Determination of absolute age - 115 million years.