Rock Identifier

Category

Basalt

Browse basalt specimens identified by the Rock Identifier community.

Learn about Basalt in the encyclopedia

Basalt

Tholeiitic Basalt

Tholeiitic Basalt

Metabasalt

Variolite

Tachylite

Gabbro

Sideromelane

Palagonite

Diabase

Greenstone

Limburgite

Scoria

Basalt with Quartz Veins (Basalt) — igneous

Basalt with Quartz Veins

Basalt

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Likely basaltic rock (vesicular basalt/scoria) (Basalt, chiefly plagioclase feldspar, clinopyroxene, and iron-rich minerals; possible vesicular scoria) — igneous

Likely basaltic rock (vesicular basalt/scoria)

Basalt, chiefly plagioclase feldspar, clinopyroxene, and iron-rich minerals; possible vesicular scoria

Gabbro (Gabbro) — igneous

Gabbro

Gabbro

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt) — Igneous

Basalt

Basalt

Basalt (River Pebble) (Basalt) — igneous

Basalt (River Pebble)

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Amygdaloidal basalt (Vesicular basalt with secondary mineral-filled amygdules; the green fillings may be chlorite, epidote, or prehnite) — igneous

Amygdaloidal basalt

Vesicular basalt with secondary mineral-filled amygdules; the green fillings may be chlorite, epidote, or prehnite

Quartz with Basalt inclusion (Silicon Dioxide (SiO2) with mafic silicate rock) — igneous and sedimentary/metamorphic mix

Quartz with Basalt inclusion

Silicon Dioxide (SiO2) with mafic silicate rock

igneous and sedimentary/metamorphic mix

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Dark gray, fine-grained rock fragment (possibly basalt) (Basalt (tentative identification; image alone cannot confirm)) — igneous

Dark gray, fine-grained rock fragment (possibly basalt)

Basalt (tentative identification; image alone cannot confirm)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt) — Igneous

Basalt

Basalt

Basalt (Basalt; fine-grained mafic volcanic rock composed mainly of plagioclase and pyroxene, commonly with olivine) — igneous

Basalt

Basalt; fine-grained mafic volcanic rock composed mainly of plagioclase and pyroxene, commonly with olivine

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt) — Igneous

Basalt

Basalt

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Mafic extrusive volcanic rock (composed primarily of Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Mafic extrusive volcanic rock (composed primarily of Plagioclase feldspar and Pyroxene)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt and Quartz pebbles (Basalt (extrusive igneous rock) and Quartz (SiO2)) — igneous and mineral

Basalt and Quartz pebbles

Basalt (extrusive igneous rock) and Quartz (SiO2)

igneous and mineral

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (River Pebble) (Basalt) — igneous

Basalt (River Pebble)

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt Gravel (Basalt) — igneous

Basalt Gravel

Basalt

Basalt River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Basalt (Vesicular) (Basalt) — igneous

Basalt (Vesicular)

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt (River Rock) (Basalt) — igneous

Basalt (River Rock)

Basalt

Basalt (Basalt) — igneous

Basalt

Basalt