Basalt
Basalt (Aphanitic Mafic Volcanic)
Category
Browse basalt specimens identified by the Rock Identifier community.
Basalt
Basalt (Aphanitic Mafic Volcanic)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (Mafic Extrusive)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (composition primarily Plagioclase Feldspar and Pyroxene)
Basalt
Basalt (Mainly Plagioclase Feldspar and Pyroxene)
Basalt
Basalt (Aphanitic-to-porphyritic mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Basalt (Extrusive Igneous Rock)
Basalt
Mafic Volcanic Basalt (Major minerals: Plagioclase feldspar, Pyroxene; Minor: Olivine, Magnetite)
Basalt
Basalt (Mafic Volcanic Rock)
Basalt
Basalt (principally Plagioclase Feldspar and Pyroxene)
Basalt
Basalt (Aphanitic Mafic Igneous)
Basalt
Extrusive mafic igneous rock
Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Basalt
Basalt (Extrusive volcanic rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Extrusive Mafic Igneous Rock)
Basalt
Basalt (various silicate compositions)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (composition predominately plagioclase feldspar and pyroxene)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Extrusive mafic igneous rock
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)
Basalt
Extrusive mafic igneous rock
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (Extrusive Mafic Igneous)
Basalt
Basalt (primarily Plagioclase feldspar and Pyroxene)
Basalt
Basalt (containing plagioclase feldspar, pyroxene, and olivine)
Gabbro
Gabbro (Coarse-grained mafic intrusive igneous rock)
Basalt with Epidote/Chlorite
Amygdaloidal Basalt (SiO2 with (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)))
Porphyritic Basalt River Stone
Porphyritic Basalt
Basalt (Vesicular)
Extrusive mafic igneous rock; primarily (Mg, Fe)2SiO4 (Olivine), CaAl2Si2O8 (Plagioclase Feldspar), and Pyroxene