Rock Identifier

Category

Antropogenic Rock (Man Made)

Browse antropogenic rock (man made) specimens identified by the Rock Identifier community.

Slate (Foliated Metamorphic Rock) — metamorphic

Slate

Foliated Metamorphic Rock

Granite (Weathered) (Granitic intrusive rock) — igneous

Granite (Weathered)

Granitic intrusive rock

Gabbro (Plutonic mafic rock) — igneous

Gabbro

Plutonic mafic rock

Greenschist (Greenschist facies rock) — Metamorphic

Greenschist

Greenschist facies rock

Sandstone (likely Siltstone or fine-grained Sandstone) (Sedimentary Rock (Clastic)) — sedimentary

Sandstone (likely Siltstone or fine-grained Sandstone)

Sedimentary Rock (Clastic)

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Peridotite (Peridotite (Ultramafic Rock)) — igneous

Peridotite

Peridotite (Ultramafic Rock)

Slate (Foliated metamorphic rock) — metamorphic

Slate

Foliated metamorphic rock

Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (CaCO3)

Sandstone (likely Arkosic or Lithic Sandstone) (Clastic Sedimentary Rock (SiO2 with assorted minerals)) — sedimentary

Sandstone (likely Arkosic or Lithic Sandstone)

Clastic Sedimentary Rock (SiO2 with assorted minerals)

Basalt (River Pebble) (Basalt) — igneous

Basalt (River Pebble)

Basalt

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Basalt with Scoria/Vesicular Texture (Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt with Scoria/Vesicular Texture

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Basalt Pebble with Epidote/Olivine (Vitreous Basalt (SiO2 with Ca/Mg/Fe silicates)) — igneous

Basalt Pebble with Epidote/Olivine

Vitreous Basalt (SiO2 with Ca/Mg/Fe silicates)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)) — Igneous

Basalt

Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)

Basalt (with possible mineral veining) (Basalt (Aphanitic Mafic Igneous Rock)) — Igneous

Basalt (with possible mineral veining)

Basalt (Aphanitic Mafic Igneous Rock)

Basalt River Stone (Aphanitic Mafic Igneous Rock) — igneous

Basalt River Stone

Aphanitic Mafic Igneous Rock

Vesicular Basalt with Secondary Mineral Inclusions (Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Vesicular Basalt with Secondary Mineral Inclusions

Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt (Basalt (Mafic igneous rock)) — igneous

Basalt

Basalt (Mafic igneous rock)

Basalt (River-worn Specimen) (Extrusive Mafic Igneous Rock) — igneous

Basalt (River-worn Specimen)

Extrusive Mafic Igneous Rock

Basalt (River Rock Cobble) (Extrusive mafic volcanic rock (Basalt)) — igneous

Basalt (River Rock Cobble)

Extrusive mafic volcanic rock (Basalt)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt River Stone (Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt River Stone

Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt (Basalt (composition of Plagioclase feldspar, Pyroxene, and Olivine)) — igneous

Basalt

Basalt (composition of Plagioclase feldspar, Pyroxene, and Olivine)

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt (Beach Pebble) (Extrusive mafic igneous rock) — igneous

Basalt (Beach Pebble)

Extrusive mafic igneous rock

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt Pebble (Extrusive mafic igneous rock) — igneous

Basalt Pebble

Extrusive mafic igneous rock

Basalt (Road Gravel) (Aphanitic mafic volcanic rock (various compositions of plagioclase feldspar and pyroxene)) — igneous

Basalt (Road Gravel)

Aphanitic mafic volcanic rock (various compositions of plagioclase feldspar and pyroxene)

Basalt (Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)) — igneous

Basalt

Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Crushed Roadstone) (Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt (Crushed Roadstone)

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Basalt (Basalt) — igneous

Basalt

Basalt

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

Vesicular Basalt

Basalt (Extrusive Igneous Rock)

Basalt (Weathered/River worn) (Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt (Weathered/River worn)

Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)

Basalt with Vesicular Surface (Basalt (Mafic Extrusive)) — igneous

Basalt with Vesicular Surface

Basalt (Mafic Extrusive)

Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Felsic Igneous Rock (Granite)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock