Granodiorite Pebble
Granodiorite
Category
Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.
Granodiorite Pebble
Granodiorite
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt (River Pebble)
Basalt
Slag (Industrial Byproduct)
Ferro-silicate glass (Slag)
Quartzite
Quartzite (primarily SiO2)
Basalt
Mafic Igneous Rock (composed primarily of plagioclase feldspar and pyroxene)
Diorite
Diorite (Intermediate intrusive igneous rock)
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Amygdaloidal Basalt
Basalt with secondary mineral infilling
Basalt with Vesicular Surface
Basalt (Mafic Extrusive)
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Basalt Pebble
Aphanitic Mafic Igneous Rock
Granodiorite
Granodiorite (containing quartz, plagioclase, and biotite/hornblende)
Basalt
Extrusive mafic igneous rock
Porphyritic Basalt with Quartz Inclusions
Aphanitic Porphyritic Basalt
Basalt (with Plagioclase Phenocrysts)
Porphyritic Basalt
Granite
Granite (Phaneritic Igneous Rock / Quartz, Feldspar, Mica)
Basalt
Mafic volcanic rock (Primarily Plagioclase Feldspar and Pyroxene)
Basalt
Mafic volcanic rock, primarily composed of Plagioclase, Pyroxene, and Olivine
Basalt (River Rock Cobble)
Extrusive mafic volcanic rock (Basalt)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Vesicular Basalt
Basalt with secondary mineral infilling (Amygdaloidal Basalt)
Basalt Pebble
Basalt (Extrusive Mafic Igneous)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Diorite
Diorite (an intrusive igneous rock)
Basalt
Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Pink Granite
Granite (Phaneritic Quartz-Feldspar Rock)
Granite (Leucogranite)
Felsic Plutonic Rock (Granite)
Basalt
Vesicular Basalt
Basalt with Magnetite inclusions
Basalt (Mafic silicate rock) potentially containing Magnetite (Fe3O4)
Basalt River Pebble
Basalt (Mafic volcanic rock)
Basalt Pebble
Basalt
Granodiorite (or Granite) Pebble
Phaneritic Felsic Igneous Pebble
Porphyritic Basalt
Basalt with plagioclase phenocrysts
Basalt
Extrusive mafic igneous rock
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
Porphyritic Andesite
Andesite (Intermediate Extrusive Volcanic Rock)
Basalt (Vesicular/Scoriaceous)
Extrusive Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)