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

Fossiliferous Limestone containing a Brachiopod or Mollusk Impression (Biogenic Sedimentary Rock / Fossiliferous Limestone) — sedimentary

Fossiliferous Limestone containing a Brachiopod or Mollusk Impression

Biogenic Sedimentary Rock / Fossiliferous Limestone

Banded Sandstone / Quartzite Pebble (Sedimentary quartz arenite with liesegang banding) — sedimentary

Banded Sandstone / Quartzite Pebble

Sedimentary quartz arenite with liesegang banding

Ironstone Concretion (Siderite / Hematite-bearing Sedimentary Rock) — sedimentary

Ironstone Concretion

Siderite / Hematite-bearing Sedimentary Rock

Conglomerate (Pebble Conglomerate / Clastic Sedimentary Rock) — sedimentary

Conglomerate

Pebble Conglomerate / Clastic Sedimentary Rock

Grey Pebble (Sandstone / Quartzite Pebble) (Sedimentary rock (primarily Quartz - SiO2)) — sedimentary

Grey Pebble (Sandstone / Quartzite Pebble)

Sedimentary rock (primarily Quartz - SiO2)

Veined Limestone (Sedimentary Calcite-Veined Rock (CaCO3)) — sedimentary

Veined Limestone

Sedimentary Calcite-Veined Rock (CaCO3)

Bituminous Coal (Coal (Organically derived sedimentary rock)) — sedimentary

Bituminous Coal

Coal (Organically derived sedimentary rock)

Coal (Anthracite / Bituminous) (Organic Sedimentary Rock (Carbon-based)) — sedimentary

Coal (Anthracite / Bituminous)

Organic Sedimentary Rock (Carbon-based)

Sandstone / Chert Pebble (Silicon Dioxide / Sedimentary Rock (SiO2)) — sedimentary

Sandstone / Chert Pebble

Silicon Dioxide / Sedimentary Rock (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite/Arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite/Arkose)

Sandstone (Clastic sedimentary rock (Quartz arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite)

Jasper and Mudstone Composite (Silicified Sedimentary Rock / Jasperoid Pebble) — sedimentary

Jasper and Mudstone Composite

Silicified Sedimentary Rock / Jasperoid Pebble

Sandstone (Sedimentary Rock (Quartz arenite/Arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite/Arkose)

Hag Stone (Perforated Quartz Pebble / Sedimentary Rock) — sedimentary

Hag Stone

Perforated Quartz Pebble / Sedimentary Rock

Fossiliferous Limestone (Biogenic Sedimentary Rock (primarily CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock (primarily CaCO3)

River Pebble (Sandstone / Quartzite) (SiO2 (Quartz-rich sedimentary rock)) — sedimentary

River Pebble (Sandstone / Quartzite)

SiO2 (Quartz-rich sedimentary rock)

River Pebble (Granitic Sandstone) (Clastic sedimentary rock (Lithic Arenite)) — sedimentary

River Pebble (Granitic Sandstone)

Clastic sedimentary rock (Lithic Arenite)

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

Sandstone pebble

Clastic sedimentary rock (primarily SiO2)

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

Fossiliferous Limestone

Carbonate Sedimentary Rock (primarily CaCO3)

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

Ferruginous Sandstone

Iron-rich Clastic Sedimentary Rock

Soft Limestone (Calcite-rich Sedimentary Rock (CaCO3)) — sedimentary

Soft Limestone

Calcite-rich Sedimentary Rock (CaCO3)

Jasper Conglomerate (Clastic Sedimentary Rock (Conglomeratic Quartzite)) — sedimentary

Jasper Conglomerate

Clastic Sedimentary Rock (Conglomeratic Quartzite)

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

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2)

Riverstone (likely Graywacke or Siltstone) (Sedimentary sandstone (Graywacke), SiO2 dominant) — sedimentary

Riverstone (likely Graywacke or Siltstone)

Sedimentary sandstone (Graywacke), SiO2 dominant

Siltstone (Siltstone (Detrital Clastic Sedimentary Rock)) — sedimentary

Siltstone

Siltstone (Detrital Clastic Sedimentary Rock)

Coal (Bituminous Coal (organic sedimentary rock)) — sedimentary

Coal

Bituminous Coal (organic sedimentary rock)

Sandstone (Stream-Rolled) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Stream-Rolled)

Clastic Sedimentary Rock (primarily SiO2)

Limestone with Calcite Vug (Calcium Carbonate (CaCO3) in Sedimentary Matrix) — sedimentary

Limestone with Calcite Vug

Calcium Carbonate (CaCO3) in Sedimentary Matrix

Iron-rich sandstone (Gozan/Ironstone) (Ferruginous Sandstone (clastic sedimentary rock)) — sedimentary

Iron-rich sandstone (Gozan/Ironstone)

Ferruginous Sandstone (clastic sedimentary rock)

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

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

River Cobble (Clastic Sedimentary (Quartz-rich Cobble)) — sedimentary

River Cobble

Clastic Sedimentary (Quartz-rich Cobble)

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

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2)

Silty Shale or Mudstone (Siltstone/Mudstone (Clastic Sedimentary Rock)) — sedimentary

Silty Shale or Mudstone

Siltstone/Mudstone (Clastic Sedimentary Rock)

River Stones (Quartzite and Sandstone) (Quartzite / Sedimentary Rock (SiO2 dominant)) — sedimentary

River Stones (Quartzite and Sandstone)

Quartzite / Sedimentary Rock (SiO2 dominant)

Coquina Limestone (Fossiliferous Limestone) (Calcareous bioclastic sedimentary rock (CaCO3)) — sedimentary

Coquina Limestone (Fossiliferous Limestone)

Calcareous bioclastic sedimentary rock (CaCO3)

Sandstone (Quartzite-rich) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Quartzite-rich)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (with manganese staining) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (with manganese staining)

Clastic sedimentary rock (primarily SiO2)

Dragon Stone (Ohko Stone (Argillaceous sedimentary rock)) — sedimentary

Dragon Stone

Ohko Stone (Argillaceous sedimentary rock)

Geode (Unopened) (SiO2 (Quartz-filled Sedimentary Nodule)) — sedimentary

Geode (Unopened)

SiO2 (Quartz-filled Sedimentary Nodule)

Bituminous Coal (Bituminous coal (Organic Sedimentary Rock)) — sedimentary

Bituminous Coal

Bituminous coal (Organic Sedimentary Rock)

Sandstone (Water-worn Pebble) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Water-worn Pebble)

Clastic Sedimentary Rock (primarily SiO2)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)