Rock Identifier

Category

Basalt

Browse basalt specimens identified by the Rock Identifier community.

Learn about Basalt in the encyclopedia

Basalt

Basalt

Tholeiitic Basalt

Tholeiitic Basalt

Metabasalt

Metabasalt

Variolite

Variolite

Tachylite

Tachylite

Gabbro

Gabbro

Sideromelane

Sideromelane

Palagonite

Palagonite

Diabase

Diabase

Greenstone

Greenstone

Limburgite

Limburgite

Scoria

Scoria

Vesicular Basalt (Iron-rich) (Scoriaceous Basalt) — igneous

Vesicular Basalt (Iron-rich)

Scoriaceous Basalt

Basalt with Vesicles (Vesicular Basalt) — igneous

Basalt with Vesicles

Vesicular Basalt

Basalt with Porphyritic Texture (Porphyritic Basalt) — igneous

Basalt with Porphyritic Texture

Porphyritic Basalt

Scoria (Basaltic Lava Rock) (Vesicular Basalt) — igneous

Scoria (Basaltic Lava Rock)

Vesicular Basalt

Scoria (Scoriaceous Basalt) — igneous

Scoria

Scoriaceous Basalt

Basalt (with Plagioclase Phenocrysts) (Porphyritic Basalt) — igneous

Basalt (with Plagioclase Phenocrysts)

Porphyritic Basalt

Scoria (Vesicular Basalt) (Vesicular Basalt) — igneous

Scoria (Vesicular Basalt)

Vesicular Basalt

Porphyritic Basalt (River Stone) (Porphyritic Basalt) — igneous

Porphyritic Basalt (River Stone)

Porphyritic Basalt

Basalt River Stone (Aphanitic Basalt) — igneous

Basalt River Stone

Aphanitic Basalt

Basalt with Scoria and potential Olivine/Pyroxene inclusions (Vesicular Basalt) — igneous

Basalt with Scoria and potential Olivine/Pyroxene inclusions

Vesicular Basalt

Basalt (Porphyritic) (Porphyritic Basalt) — igneous

Basalt (Porphyritic)

Porphyritic Basalt

Basalt with Vesicles (Vesicular Basalt) — Igneous

Basalt with Vesicles

Vesicular Basalt

Basalt (Porphyritic) (Porphyritic Basalt) — igneous

Basalt (Porphyritic)

Porphyritic Basalt

Vesicular Basalt with Lichen (Vesicular Basalt) — igneous

Vesicular Basalt with Lichen

Vesicular Basalt

Vesticular Basalt (Vesicular Basalt) — igneous

Vesticular Basalt

Vesicular Basalt

Scoria (Scoriaceous Basalt) — igneous

Scoria

Scoriaceous Basalt

Vesicular Basalt (or Porphyritic Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (or Porphyritic Scoria)

Vesicular Basalt

Porphyritic Basalt (River Rock) (Porphyritic Basalt) — igneous

Porphyritic Basalt (River Rock)

Porphyritic Basalt

Basalt (Vesicular/Scoria) (Vesicular Basalt) — igneous

Basalt (Vesicular/Scoria)

Vesicular Basalt

Basalt Porphyry (Porphyritic Basalt) — igneous

Basalt Porphyry

Porphyritic Basalt

Vesicular Basalt (Vesicular Basalt) — igneous

Vesicular Basalt

Vesicular Basalt

Vesicular Basalt (Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (Scoria)

Vesicular Basalt

Basalt with Amygdules (Amygdaloidal Basalt) — igneous

Basalt with Amygdules

Amygdaloidal Basalt

Basalt with Porphyritic Texture (Porphyritic Basalt) — igneous

Basalt with Porphyritic Texture

Porphyritic Basalt

Vesicular Basalt (Lava Rock) (Scoriaceous Basalt) — igneous

Vesicular Basalt (Lava Rock)

Scoriaceous Basalt

Vesicular Basalt / Scoria (Vesicular Basalt) — igneous

Vesicular Basalt / Scoria

Vesicular Basalt

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Vesicular Basalt with Mineral Inclusions (Vesicular Basalt) — igneous

Vesicular Basalt with Mineral Inclusions

Vesicular Basalt

Basalt Porphyry (River Pebble) (Porphyritic Basalt) — igneous

Basalt Porphyry (River Pebble)

Porphyritic Basalt

Vesicular Basalt (Aqueous Tumbled) (Scoriaceous Basalt) — igneous

Vesicular Basalt (Aqueous Tumbled)

Scoriaceous Basalt

Basalt (Water-worn Pebble) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt (Water-worn Pebble)

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Porphyritic) (Porphyritic Mafic Extrusive (Basalt)) — igneous

Basalt (Porphyritic)

Porphyritic Mafic Extrusive (Basalt)

Vesicular Basalt (Basalt (Mafic Extrusive Volcanic Rock)) — igneous

Vesicular Basalt

Basalt (Mafic Extrusive Volcanic Rock)

Gabbro (Stream-rounded Pebble) (Gabbro (Phaneritic Mafic Igneous Rock)) — igneous

Gabbro (Stream-rounded Pebble)

Gabbro (Phaneritic Mafic Igneous Rock)

Gabbro with Quartz Vein (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro with Quartz Vein

Gabbro (mafic intrusive igneous rock)

Basalt River Pebble (Basalt (Mafic Extrusive Volcanic Rock)) — igneous

Basalt River Pebble

Basalt (Mafic Extrusive Volcanic Rock)

Lake Superior Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Lake Superior Agate

Cryptocrystalline Quartz (SiO2)

Prehnite (Prehnite Ca2Al2Si3O10(OH)2) — mineral

Prehnite

Prehnite Ca2Al2Si3O10(OH)2

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

Basalt (River Pebble)

Basalt (Mafic Extrusive Igneous Rock)

Porphyritic Basalt or Diabase with Plagioclase Phenocrysts (Porphyritic Basalt or Diabase; Mineral: Plagioclase Feldspar) — Igneous

Porphyritic Basalt or Diabase with Plagioclase Phenocrysts

Porphyritic Basalt or Diabase; Mineral: Plagioclase Feldspar

Basalt River Stone (Basalt (Mafic volcanic rock, primarily Plagioclase and Pyroxene)) — igneous

Basalt River Stone

Basalt (Mafic volcanic rock, primarily Plagioclase and Pyroxene)

Basalt Arrowhead (worked stone) (Aphanitic mafic volcanic rock (Basalt)) — igneous

Basalt Arrowhead (worked stone)

Aphanitic mafic volcanic rock (Basalt)