RM2RKW13R–A variety of forms of basalt solidified lava. Viscous volcanic lava cemented with sand, pumice and breccia tephra (volcanic ash). Kamchatka, Russia
RM2NXFH20–A variety of forms of basalt solidified lava (clinker, block-lava): hawaiian is main type of lava (aa-lava), interfluent lava current among other form
RM2WY416H–A variety of forms of basalt solidified lava (clinker, block-lava): hawaiian is main type of lava (aa-lava) erupted from mantle liquid rock (magma). S
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