olivine

Pyroxenite

Submitted 4 years 6 months ago by rock.
Rock type: 
Igneous
Age: 
72 millions years
Tags: 
Pyroxenite, Cretaceous, K2, olivine, pyroxene

Russia, Khabarovsk Territory. Pyroxenite porphyrite. Upper Cretaceous.

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Basalt

Submitted 4 years 6 months ago by rock.
Rock type: 
Igneous
Age: 
15 millions years
Tags: 
Basalt, pyroxene, olivine, augite, labrador, hypersten, epidote, chlorite, iddingsite, calcite, zeolite, petroglyphs, Cenozoic, Neogene, Miocene

Russia, Khabarovsk Territory, Sikachi-Alyan. Pyroxene-olivine, olivine basalts.  Form a cover. Thickness - 28 metres. Gray, with a violet hue, dark gray, massive, dense, often porous, with a porphyry structure.

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Basalt

Submitted 4 years 7 months ago by rock.
Rock type: 
Igneous
Age: 
16 millions years
Tags: 
Basalt, afyr, plagioclase, augite, olivine, calcite, serpentine, Neogene, Miocene, Columnar joints

Russia, Khabarovsk Territory.

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