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.

Learn about Sedimentary Rock (Possibly A Conglomerate Or Coarse Grained Sandstone) in the encyclopedia

Conglomerate

Sandstone

Lithic Sandstone

Lithic Sandstone

Asphalt Rock

Breccia

Calcirudite

Arkose

Quartzite

Calcarenite

Pegmatite

Turbidite

Gabbro

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Arenite (SiO2 + various cementing minerals)) — sedimentary

Sandstone

Arenite (SiO2 + various cementing minerals)

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

Sandstone (Arenite (SiO2 based with cement)) — sedimentary

Sandstone

Arenite (SiO2 based with cement)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Rounded river pebble (Lithic sandstone or fine-grained volcanic/metamorphic pebble; exact identity requires testing) — sedimentary

Rounded river pebble

Lithic sandstone or fine-grained volcanic/metamorphic pebble; exact identity requires testing

Red Sandstone (Arenite (SiO2 with Fe2O3)) — sedimentary

Red Sandstone

Arenite (SiO2 with Fe2O3)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone (Painted) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Painted)

Arenite (primarily SiO2)

Sandstone (likely Arkosic or Lithic) (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone (likely Arkosic or Lithic)

Clastic Sedimentary Rock (composed mostly of SiO2)

Siltstone with Weathering Crust (Siltstone (primarily SiO2 with Al2O3)) — sedimentary

Siltstone with Weathering Crust

Siltstone (primarily SiO2 with Al2O3)

Rounded quartz-rich cobble, likely quartzite (Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with minor iron-oxide staining) — metamorphic

Rounded quartz-rich cobble, likely quartzite

Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with minor iron-oxide staining

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with iron oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with iron oxide cement)

Mixed Rock Collection (Pebbles and Stones) (Various geological specimens) — igneous, sedimentary, and metamorphic

Mixed Rock Collection (Pebbles and Stones)

Various geological specimens

igneous, sedimentary, and metamorphic

Sandstone (Pebble) (Sandstone (SiO2 dominated with minor feldspar/clay)) — sedimentary

Sandstone (Pebble)

Sandstone (SiO2 dominated with minor feldspar/clay)

Weathered brown rock, likely sandstone or iron-rich quartzite (Indeterminate; probable quartz-rich sandstone (quartz, feldspar, iron oxides)) — sedimentary

Weathered brown rock, likely sandstone or iron-rich quartzite

Indeterminate; probable quartz-rich sandstone (quartz, feldspar, iron oxides)

Sandstone (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone

Arenite (composed mainly of SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Quartzose) (Arenite (Siliciclastic sedimentary rock)) — sedimentary

Sandstone (Quartzose)

Arenite (Siliciclastic sedimentary rock)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Fossil-bearing sedimentary rock, possibly fossil wood or bone (Indeterminate silicified/carbonate fossil in sandstone or mudstone) — fossil

Fossil-bearing sedimentary rock, possibly fossil wood or bone

Indeterminate silicified/carbonate fossil in sandstone or mudstone

River Pebble (Gravel) (Clastic sedimentary rock (likely Siltstone or Mudstone pebble; SiO2 with various impurities)) — sedimentary

River Pebble (Gravel)

Clastic sedimentary rock (likely Siltstone or Mudstone pebble; SiO2 with various impurities)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (likely Quartzose Sandstone) (Arenite (SiO2 based)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 based)

Sandstone with Quarzite clasts (Arenite (SiO2 based)) — sedimentary

Sandstone with Quarzite clasts

Arenite (SiO2 based)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone pebble (Sandstone (arenite / quartzarenite)) — sedimentary

Sandstone pebble

Sandstone (arenite / quartzarenite)

Sandstone (Clastic sedimentary rock (SiO2 primary)) — sedimentary

Sandstone

Clastic sedimentary rock (SiO2 primary)

Sandstone (Arenite (with iron oxide cement)) — sedimentary

Sandstone

Arenite (with iron oxide cement)

Blue-gray quartz-rich rock, likely quartzite (Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with mica or feldspar) — metamorphic

Blue-gray quartz-rich rock, likely quartzite

Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with mica or feldspar

Sandstone (lithic wake or graywacke) (Clastic sedimentary rock (primarily quartz and lithic fragments)) — sedimentary

Sandstone (lithic wake or graywacke)

Clastic sedimentary rock (primarily quartz and lithic fragments)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Ferruginous) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (likely Quartzose Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)