Rock Identifier

Category

Sedimentary Rock (Possibly A Conglomerate Or Coarse Grained Sandstone)

Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Yellow Quartzite (River Pebble) (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite (River Pebble)

Quartzite (primarily SiO2)

Basalt (Basalt (principally composed of pyroxene and plagioclase feldspar)) — igneous

Basalt

Basalt (principally composed of pyroxene and plagioclase feldspar)

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Vesicular Basalt with Secondary Mineral Infill (Mafic Volcanic Rock (Basalt)) — igneous

Vesicular Basalt with Secondary Mineral Infill

Mafic Volcanic Rock (Basalt)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Crushed Rock (Basalt) (Basalt (Aphanitic Mafic Igneous Rock)) — Igneous

Crushed Rock (Basalt)

Basalt (Aphanitic Mafic Igneous Rock)

Basalt (Mafic volcanic rock (Basalt)) — igneous

Basalt

Mafic volcanic rock (Basalt)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Orange Quartzite (Tumble-polished) (Quartzite (primarily SiO2)) — metamorphic

Orange Quartzite (Tumble-polished)

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite

Quartzite (SiO2 silicon dioxide)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Basalt (Basalt (composition predominately Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Basalt (composition predominately Plagioclase feldspar and Pyroxene)

Quartzite (River Pebble) (SiO2 (recrystallized Quartz)) — metamorphic

Quartzite (River Pebble)

SiO2 (recrystallized Quartz)

Basalt (Mafic igneous rock (primarily Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Mafic igneous rock (primarily Plagioclase feldspar and Pyroxene)

Quartzite with Quartz Veining (Quartzite (primarily SiO2)) — metamorphic

Quartzite with Quartz Veining

Quartzite (primarily SiO2)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Basalt (Basalt (Mafic igneous rock)) — igneous

Basalt

Basalt (Mafic igneous rock)

Basalt (Basalt (Mafic Extrusive)) — igneous

Basalt

Basalt (Mafic Extrusive)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Basalt River Pebble (Aphanitic Mafic Basalt) — igneous

Basalt River Pebble

Aphanitic Mafic Basalt

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

River Rock (Quartzite) (Quartzite (SiO2)) — metamorphic

River Rock (Quartzite)

Quartzite (SiO2)

Aventurine (Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)) — metamorphic

Aventurine

Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)

Basalt with Quartz Veins (Basalt (composition: SiO2, MgO, FeO, Al2O3, CaO)) — igneous

Basalt with Quartz Veins

Basalt (composition: SiO2, MgO, FeO, Al2O3, CaO)

Jasper (Green Jasper/Heliotropic Chert) (Silicon Dioxide (SiO₂)) — sedimentary

Jasper (Green Jasper/Heliotropic Chert)

Silicon Dioxide (SiO₂)

Basalt with Iron Oxidation (Mafic Igneous Basalt) — igneous

Basalt with Iron Oxidation

Mafic Igneous Basalt

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt River Stone (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt River Stone

Basalt (Aphanitic Mafic Igneous Rock)

Slate (Foliated metamorphic rock) — metamorphic

Slate

Foliated metamorphic rock

Yellow Quartzite (Citrine-colored Quartz) (Silicon Dioxide (SiO2)) — metamorphic

Yellow Quartzite (Citrine-colored Quartz)

Silicon Dioxide (SiO2)

Yellow Quartzite (River Pebble) (Crystalline Quartz (SiO2)) — metamorphic

Yellow Quartzite (River Pebble)

Crystalline Quartz (SiO2)

Basalt (with possible Olivine inclusions) (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt (with possible Olivine inclusions)

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt Pebble (Aphanitic Mafic Igneous Rock) — igneous

Basalt Pebble

Aphanitic Mafic Igneous Rock

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Yellow Quartzite (River Stone) (Quartzite (composed primarily of Quartz: SiO2)) — metamorphic

Yellow Quartzite (River Stone)

Quartzite (composed primarily of Quartz: SiO2)

Quartzite Pebble (River Rock) (Quartzite (SiO2)) — metamorphic

Quartzite Pebble (River Rock)

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)