Basalt Pebble
Extrusive mafic igneous rock
igneous
Category
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Basalt
Extrusive mafic igneous rock
igneous
Basalt (River Pebble)
Extrusive mafic igneous rock
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Basalt Pebble
Extrusive mafic igneous rock
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt River Stones
Basalt (Mafic volcanic rock)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Mafic volcanic rock (Basalt)
igneous
Basalt River Pebble
Basalt (Mafic Volcanic Rock)
igneous
Basalt Pebble
Aphanitic mafic volcanic rock
igneous
Basalt (Weathered/Tumbled)
Extrusive Mafic Igneous Rock
igneous
Vesicular Basalt
Basalt (Extrusive Igneous Rock)
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Basalt River Pebble
Basalt (Mafic Volcanic Rock)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Vesicular Basalt
Extrusive Mafic Igneous Rock
igneous
Basalt Pebble
Mafic Igneous Rock (Basalt)
igneous
Basalt River Stone
Aphanitic Mafic Igneous Rock
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Basalt
Aphanitic Mafic Igneous Rock
igneous
Basalt
Extrusive mafic igneous rock
igneous
Basalt
Aphanitic Mafic Igneous Rock
igneous
Basalt (River Pebble)
Extrusive mafic igneous rock
igneous
Andesite
Intermediate Volcanic Rock (Andesite)
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Extrusive Igneous Rock (Mafic)
igneous
Andesite
Intermediate Volcanic Rock (Andesite)
igneous
Basalt (Drill Core)
Mafic Volcanic Rock (Basalt)
igneous
Granite Cobble / Rounded Granite River Rock
Granite
Igneous
Basalt (River-Worn Pebble)
Basalt
igneous
Pyrite in Shale
Iron Disulfide (FeS2)
mineral
Sandstone (with minor weathering/pitting)
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sedimentary
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Anthropogenic (Man-made)
Garnet Schist
Almandine-Garnet Schist
metamorphic
Quartzite Pebble (River Rock)
Quartzite (mainly SiO2)
metamorphic
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 with assorted lithic fragments)
sedimentary
Red Shale
Fissile Siliciclastic Sedimentary Rock
sedimentary