Rock Identifier

Category

Sedimentary (Anthropogenic)

Browse sedimentary (anthropogenic) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Anthropogenic) in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

Bituminous Shale

Bituminous Shale

Shale (Argillite / Shale) — sedimentary

Shale

Argillite / Shale

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Silty Shale (Silty Shale (Fissile Sedimentary Rock)) — sedimentary

Silty Shale

Silty Shale (Fissile Sedimentary Rock)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Shale (Ferruginous) (Laminated Mudrock (Siliciclastic Sedimentary Rock)) — sedimentary

Shale (Ferruginous)

Laminated Mudrock (Siliciclastic Sedimentary Rock)

Shale (Mudstone (composed primarily of clay minerals like kaolinite, illite, and smectite, with quartz and calcite)) — sedimentary

Shale

Mudstone (composed primarily of clay minerals like kaolinite, illite, and smectite, with quartz and calcite)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Shale (with Iron Oxide staining) (Fissile Mudstone (primarily Quartz and Clay minerals)) — sedimentary

Shale (with Iron Oxide staining)

Fissile Mudstone (primarily Quartz and Clay minerals)

Shale (Shale (claystone/mudstone)) — sedimentary

Shale

Shale (claystone/mudstone)

Shale (sub-type: Carbonaceous Shale) (Lutaceous Sedimentary Rock) — sedimentary

Shale (sub-type: Carbonaceous Shale)

Lutaceous Sedimentary Rock

Sandstone (Water-worn pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Water-worn pebble)

Arenite (primarily SiO2)

Ferruginous Sandstone (Arenite with Iron-Oxide cement (Fe2O3 · nH2O)) — sedimentary

Ferruginous Sandstone

Arenite with Iron-Oxide cement (Fe2O3 · nH2O)

Brown Sandstone (Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)) — sedimentary

Brown Sandstone

Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)

Sedimentary Rock Fragments (Clastic Sedimentary Rock) — sedimentary

Sedimentary Rock Fragments

Clastic Sedimentary Rock

Fragmented Sedimentary Pebble (Clastic Sedimentary Specimen) — sedimentary

Fragmented Sedimentary Pebble

Clastic Sedimentary Specimen

Fossil Belemnite Guard (Belemnitella spp. (rostrum)) — fossil

Fossil Belemnite Guard

Belemnitella spp. (rostrum)

Weathered Sandstone Cobble (Arenite / Quartz Sandstone) — sedimentary

Weathered Sandstone Cobble

Arenite / Quartz Sandstone

Seashell (Calcium Carbonate) (Calcium Carbonate (CaCO3)) — mineral

Seashell (Calcium Carbonate)

Calcium Carbonate (CaCO3)

Pyrite (Iron sulfide (FeS2)) — mineral

Pyrite

Iron sulfide (FeS2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Chalcedony / Yellow Agate (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony / Yellow Agate

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz-veined Sandstone (Sedimentary rock with quartz vein (SiO2)) — sedimentary

Quartz-veined Sandstone

Sedimentary rock with quartz vein (SiO2)

Conglomerate (Sedimentary Conglomerate) — sedimentary

Conglomerate

Sedimentary Conglomerate

Conglomerate (Sedimentary Conglomerate) — sedimentary

Conglomerate

Sedimentary Conglomerate

Sedimentary Rock (Limestone or Siltstone pebble) (Sedimentary rock fragment) — sedimentary

Sedimentary Rock (Limestone or Siltstone pebble)

Sedimentary rock fragment

Sandstone (River Cobble / Pebble) (Sedimentary Rock (Quartz Sandstone / Arenite)) — sedimentary

Sandstone (River Cobble / Pebble)

Sedimentary Rock (Quartz Sandstone / Arenite)

Shale with Iron Staining (Fissile Mudrock (Sedimentary Rock)) — sedimentary

Shale with Iron Staining

Fissile Mudrock (Sedimentary Rock)

Shale (with Iron Staining) (Argillaceous mudstone / Shale) — sedimentary

Shale (with Iron Staining)

Argillaceous mudstone / Shale

Sandstone (Ferruginous) (Arenite (Fe-oxide cemented)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-oxide cemented)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Iron Oxide cement)

Shale (Fissile Mudstone) — sedimentary

Shale

Fissile Mudstone

Sandstone (Ferruginous) (Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)

Shale (Lutaceous Rock (Hydrous Aluminum Silicates)) — sedimentary

Shale

Lutaceous Rock (Hydrous Aluminum Silicates)

Sandstone (Sandstone (principally SiO2/Silicon Dioxide)) — sedimentary

Sandstone

Sandstone (principally SiO2/Silicon Dioxide)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

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

Sandstone

Arenite (primarily composed of SiO2)

Sandstone (with carbonaceous plant fragments) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (with carbonaceous plant fragments)

Arenite (composed primarily of SiO2)

Shale (Fissile Siliciclastic Sedimentary Rock) — sedimentary

Shale

Fissile Siliciclastic Sedimentary Rock

Fossilized Shell Impression / Siltstone Fossil (Bivalvia / Brachiopoda mold in Siltstone) — fossil

Fossilized Shell Impression / Siltstone Fossil

Bivalvia / Brachiopoda mold in Siltstone

Sandstone (Arenite (predominantly SiO2 with iron oxides)) — sedimentary

Sandstone

Arenite (predominantly SiO2 with iron oxides)

Pyrite in Shale (Iron Disulfide (FeS2)) — mineral

Pyrite in Shale

Iron Disulfide (FeS2)