https://rock.id/p/likely-basaltic-rock/BVTbKaht9IkfXCYQMSD1
Likely basaltic rock (Fine-grained basalt, possibly dolerite/diabase) — igneous | Rock Identifier
Likely basaltic rock (Fine-grained basalt, possibly dolerite/diabase) — a igneous specimen. Dark brown-gray, massive, fine-grained, and likely mafic; dull to...
basaltic rockfine grainedlikelypossiblydolerite