Rock Identifier

Category

Sedimentary Rock (Specifically A Clastic Sedimentary Rock Formed Into A Cobble)

Browse sedimentary rock (specifically a clastic sedimentary rock formed into a cobble) specimens identified by the Rock Identifier community.

Learn about Sedimentary Rock (Specifically A Clastic Sedimentary Rock Formed Into A Cobble) in the encyclopedia

Asphalt Rock

Rock Gypsum

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Conglomerate

Breccia

Ironstone

Siltstone

Claystone

Limestone

Mudstone

Phosphorite

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Banded Sandstone (River Pebble) (Clastic Sedimentary Rock (SiO2 with impurities)) — sedimentary

Banded Sandstone (River Pebble)

Clastic Sedimentary Rock (SiO2 with impurities)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Chert (Silicon dioxide (SiO2)) — sedimentary

Chert

Silicon dioxide (SiO2)

Quartz Geode (Crystalline Silicon Dioxide (SiO2) within a geode structure) — mineral

Quartz Geode

Crystalline Silicon Dioxide (SiO2) within a geode structure

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Ferruginous) (Arenite (with Iron Oxide)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Quartz Pebble (Quartz (SiO2)) — sedimentary

Quartz Pebble

Quartz (SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2, often with CaCO3 or Fe2O3 cement)) — sedimentary

Sandstone

Arenite (SiO2, often with CaCO3 or Fe2O3 cement)

Sandstone (likely Arkosic) (Clastic Sedimentary Rock (primarily SiO2 with Feldspar)) — sedimentary

Sandstone (likely Arkosic)

Clastic Sedimentary Rock (primarily SiO2 with Feldspar)

Conglomerate (Conglomerate (Detrital Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Detrital Sedimentary Rock)

Greenstone / Graywacke (Lithic Sandstone (Graywacke)) — sedimentary

Greenstone / Graywacke

Lithic Sandstone (Graywacke)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Jasper Conglomerate (Polymictic Conglomerate with Jasper and Quartz) — sedimentary

Jasper Conglomerate

Polymictic Conglomerate with Jasper and Quartz

Sandstone (Micaceous) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (Micaceous)

Arenite (composed primarily of SiO2)

Sandstone (Ferruginous) (Arenite (SiO2 with iron oxide impurities)) — sedimentary

Sandstone (Ferruginous)

Arenite (SiO2 with iron oxide impurities)

Limestone (specifically Chalky Limestone) (Calcium Carbonate (CaCO3 / Calcite)) — sedimentary

Limestone (specifically Chalky Limestone)

Calcium Carbonate (CaCO3 / Calcite)

Conglomerate (Conglomerate rock (detrital sedimentary)) — sedimentary

Conglomerate

Conglomerate rock (detrital sedimentary)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Fossil Coral (Hexagonaria or Rugose Coral (Fossilized Calcium Carbonate / Silica)) — fossil

Fossil Coral

Hexagonaria or Rugose Coral (Fossilized Calcium Carbonate / Silica)

Sandstone (Sandstone (Sedimentary rock composed of silicate grains)) — sedimentary

Sandstone

Sandstone (Sedimentary rock composed of silicate grains)

Gray River Pebble (Limestone or Greywacke) (Sedimentary Pebble (Calcite / Quartz composition)) — sedimentary

Gray River Pebble (Limestone or Greywacke)

Sedimentary Pebble (Calcite / Quartz composition)

Banded gneiss (Gneiss, commonly quartz–feldspar–mica gneiss) — metamorphic

Banded gneiss

Gneiss, commonly quartz–feldspar–mica gneiss

Sandstone (Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)) — sedimentary

Sandstone

Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)

Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Sandstone (likely Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (likely Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Chert (specifically Gray Chert) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Gray Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (composed mostly of SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Pebble (Lithic fragment / Weathered rock fragment) — sedimentary

Pebble

Lithic fragment / Weathered rock fragment

Ferruginous Sandstone (Clastic Sedimentary Rock (Iron-rich)) — sedimentary

Ferruginous Sandstone

Clastic Sedimentary Rock (Iron-rich)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Limestone (Fossiliferous) (Sedimentary Carbonate Rock (CaCO3)) — sedimentary

Limestone (Fossiliferous)

Sedimentary Carbonate Rock (CaCO3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)