World rocks photo collection
Russia, Khabarovsk Territory, Khabarovsk. Stratum bodies of diabase porphyrite in sedimentary rocks (siliceous-clay schists) Khabarovskaya series. Permian?
Russia, Khabarovsk Territory. Dark green diabase porphyrite. Upper Cretaceous.
Stratum bodies of diabase porphyrite in sedimentary rocks of the voronezhskoy series (C3vr - C2 IUGS). Сarboniferous?