Basalt

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.

Madeira, view from Pico Ruivo south. Basaltic interchange lavas and pyroclastic material with late dykes. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, trail between "Miradouro da Encumeada" - "Pico Ruivo".Basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, trail between "Miradouro da Encumeada" - "Pico Ruivo". Basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, trail between "Miradouro da Encumeada" - "Pico Ruivo". Basaltic dyke. Columnar joints. Upper volcanic complex. Cenozoic. Quaternary. Pliestocene.

Madeira,  trail between "Miradouro da Encumeada" - "Pico Ruivo". Columnar joints. Basaltic dyke. Upper volcanic complex. Cenozoic. Quaternary. Pliestocene.

Madeira, trail between "Miradouro da Encumeada" - "Pico Ruivo".Basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, Cabo Girão. Basaltic interchange lavas and pyroclastic material with basaltic dykes. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, trail between "Pico Ruivo" - "Curral Das Freiras".Basaltic interchange lavas and pyroclastic material. In the center of the image, a basaltic dyke. Columnar joints. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, trail between "Pico Ruivo" - "Curral Das Freiras". Columnar joints. Basaltic dyke. Upper volcanic complex. Cenozoic. Quaternary. Pliestocene.