Basalt

Madeira, Ponta do Furado. Basalt. Interchange lavas and pyroclastic material. Upper volcanic complex. Cenozoic. Quaternary. Pliestocene - Holocene.

Madeira, Ponta de São Lourenço. Basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene. In the lower left corner is a dike of light gray, dense rocks. I do not know what it is.

Basalt dyke in  basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Basalt dyke in  basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, Sao Lourenco. Basalt dyke in  basaltic interchange lavas and pyroclastic material. Intermediate volcanic complex. Cenozoic. Neogene. Pliocene.

Madeira, Ponta de São Lourenço. Basalt. Interchange lavas and pyroclastic material. Upper volcanic complex. Cenozoic. Quaternary. Pliestocene - Holocene.

Basalt. Intermediate volcanic complex (CVM 1/2). Cenozoic. Neogene. Pliocene.

Russia, Khabarovsk Territory.

Sardinia, Cartoe. Alkaline to transitional basalts, basalts, trachibasalts and hawaites in large lava flows, locally bearing peridotitic nodules, scoriaceous cones. Basalt columnar joints. Pliocene-Lower Pleistocene.

Sardinia, Cartoe.  Alkaline to transitional basalts, basalts, trachibasalts and hawaites in large lava flows, locally bearing peridotitic nodules, scoriaceous cones. Pliocene-Lower Pleistocene.