Vesicular Basalt
Basalt (with vesicular texture)
Category
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Vesicular Basalt
Basalt (with vesicular texture)
Basalt River Pebble
Mafic Igneous Rock (Fine-grained Basalt)
Basalt Pebble
Basalt
Basalt
Basalt (Mafic volcanic rock)
Basalt River Pebble
Basalt (Mafic volcanic rock)
Coarse-grained Granite
Phaneritic Granite (contains Quartz, Feldspar, and Mica)
Basalt (River Pebble)
Extrusive Mafic Igneous Rock
River Pebble (Basalt)
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (composition: Plagioclase, Pyroxene, and Olivine)
Basalt with Iron Oxidation
Vesicular Basalt (Aphanitic Mafic Igneous Rock)
Vesicular Basalt with Xenocrysts
Mafic Igneous Plutonic/Extrusive Complex
Basalt
Basalt (Mafic volcanic rock)
Basalt (Vesicular)
Basalt (Extrusive Mafic Igneous Rock)
Crushed Rock (Basalt)
Basalt (Aphanitic Mafic Igneous Rock)
Basalt with Quartz Veins
Basalt (SiO2 range 45-52%)
Manganese Oxide Crust on Limestone
Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3
Basalt (Crushed Stone Aggregate)
Mafic Volcanic Basalt (Major Minerals: Plagioclase Feldspar, Pyroxene, Olivine)
Granodiorite
Granodiorite (Na,Ca)(Si,Al)4O8
Basalt (Weathered River Stone)
Basalt (Extrusive Mafic Igneous Rock)
Basalt with Weathering Crust
Extrusive mafic volcanic rock
Basalt (River Pebble)
Basalt
Basalt (River Pebble)
Extrusive Mafic Igneous Rock
Basalt (Weathered Pebble)
Extrusive mafic igneous rock; minerals primarily Plagioclase feldspar and Pyroxene
Basalt (Vesicular)
Extrusive mafic igneous rock
Basalt (River Rock pebble)
Basalt (a mafic extrusive igneous rock)
Basalt with Quartz/Calcite Veins
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt River Stone
Basalt (Aphanitic Mafic Volcanic Rock)
Basalt
Basalt (High-iron/magnesium silicate rock)
Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Basalt with Iron Oxides
Mafic Igneous Rock (Mafite)
Basalt River Cobble
Basalt (Mafic Extrusive Igneous Rock)
Basalt Pebble with Quartz Veining
Basalt (extrusive volcanic rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt with Quartz Veining
Amygdaloidal Basalt (predominately SiO2 and (Na,Ca)(Si,Al)4O8)
Basalt with Iron Oxidation
Amygdaloidal Basalt (silicate rock primarily plagioclase, pyroxene, and olivine)
Basalt Water-Worn Pebble
Aphanitic Mafic Igneous Rock
Basalt River Pebble
Basalt (Aphanitic Mafic Igneous Rock)
Basalt Pebble
Extrusive Mafic Igneous Rock
Basalt (Greenstone/Trap Rock)
Basalt (dominated by plagioclase feldspar and pyroxene)
Basalt (River Pebble)
Extrusive mafic igneous rock