Basalt
Aphanitic Mafic Igneous Rock
Category
Browse basalt specimens identified by the Rock Identifier community.
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Basalt (Extrusive Igneous Rock)
Basalt
Mafic Volcanic Basalt (Major minerals: Plagioclase feldspar, Pyroxene; Minor: Olivine, Magnetite)
Basalt
Basalt (containing plagioclase feldspar, pyroxene, and olivine)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Extrusive mafic igneous rock
Basalt
Aphanitic Mafic Igneous Rock
Native Copper within Host Rock
Native Copper (Cu)
Basalt with Chert/Obsidian blade
Aphanitic Mafic Igneous Rock (Basalt) with Microcrystalline Silica (Chert)
Porphyritic Basalt (Amygdaloidal)
Porphyritic Mafic Volcanic Rock (Amygdaloidal Basalt)
Basalt Pebble
Basalt (Aphanitic Mafic Volcanic Rock)
Basalt (Greenstone)
Basalt with chlorite/epidote (often referred to as Greenstone)
Basalt River Cobble
Basalt (Mafic Extrusive Igneous Rock)
Vesicular Basalt (Scoria)
Vesicular Basalt
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Basalt
Basalt (Mafic volcanic rock)
Basalt with Vesicles
Vesicular Basalt
Basalt Porphyry
Porphyritic Basalt
Basalt Porphyry
Porphyritic Basalt
Amygdaloidal Basalt
Amygdaloidal Basalt
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt
Basalt (Vesicular)
Vesicular Basalt
Porphyritic Basalt (with Lath-like Phenocrysts)
Porphyritic Basalt
Basalt with vesicles
Vesicular Basalt
Lava Stone (Basalt)
Vesicular Basalt
Basalt Porphyry
Porphyritic Basalt
Basalt with Porphyritic Texture
Porphyritic Basalt
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt
Porphyritic Basalt (with Weathered Jointing)
Porphyritic Basalt
Vesicular Basalt (or Scoria)
Vesicular Basalt
Basalt (Porphyritic)
Porphyritic Basalt
Amygdaloidal Basalt
Amygdaloidal Basalt
Porphyritic Basalt (Porphyry)
Porphyritic Basalt
Vesicular Basalt (River Pebble)
Vesicular Basalt
Vesicular Basalt (Scoria)
Vesicular Basalt
Basalt Scoria
Vesicular Basalt
Amygdaloidal Basalt
Amygdaloidal Basalt
Basalt Scoria
Vesicular Basalt
Basalt with Amygdules
Amygdaloidal Basalt
Vesicular Basalt (or Scoria)
Vesicular Basalt
Scoria
Scoriaceous Basalt