Siltstone

Russia, Caucasus, Kabardino-Balkarian Republic, Harbas river valley. Quartz sandstones, with intercalations of siltstones and mudstones. At the base - coal layers. Khumarrinskaya series. Thickness 240 meters. Fossil: Velopecten rollei Tate, Lima punctataSow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astrate subtetragona Munst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei Dam.), Nucula cf. palmae Sow. Lower Jurassic. Sinemurian.

In the second photo, at the bottom of the cliff - granites. Malinskiy granite complex. Carboniferous.

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, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Khabarovsk Territory. Hornfels siltstone with quartz veins. Lower-Middle Jurassic.

Russia, Khabarovsk Territory. Dark gray, gray siltstones. Pionerskaya series. Thickness - 800 metres. Lower Cretaceous. Valanginian.

Russia, Khabarovsk Territory. Dark gray, gray siltstones with interbeds of sandstones. Pionerskaya series. Thickness - 800 metres. Lower Cretaceous. Valanginian.

Russia, Khabarovsk Territory. Dark gray, gray siltstones with carbonate veins. Pionerskaya series. Thickness - 800 metres. Lower Cretaceous. Valanginian.