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

Quartz Veined Siltstone or Graywacke (Clastic Sedimentary Rock with Quartz (SiO2) veining) — sedimentary

Quartz Veined Siltstone or Graywacke

Clastic Sedimentary Rock with Quartz (SiO2) veining

Banded Iron Formation (BIF) / Ironstone Conglomerate (Ironstone (Hematite/Goethite rich sedimentary rock)) — sedimentary

Banded Iron Formation (BIF) / Ironstone Conglomerate

Ironstone (Hematite/Goethite rich sedimentary rock)

River Stone (likely Quartzite or Chert) (Sedimentary rock composed of Silicon Dioxide (SiO2)) — sedimentary

River Stone (likely Quartzite or Chert)

Sedimentary rock composed of Silicon Dioxide (SiO2)

Sand Dollar Fossil (Echinoidea (Clypeasteroida)) — sedimentary

Sand Dollar Fossil

Echinoidea (Clypeasteroida)

Sandstone Concretion (Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)) — sedimentary

Sandstone Concretion

Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)

Sandstone (with Iron Staining) (Arenite (Silicon Dioxide, SiO2, often with iron oxides like Limonite)) — sedimentary

Sandstone (with Iron Staining)

Arenite (Silicon Dioxide, SiO2, often with iron oxides like Limonite)

Sandstone (lithic wake/graywacke variety) (Arenite/Greywacke (SiO2 with lithic fragments)) — sedimentary

Sandstone (lithic wake/graywacke variety)

Arenite/Greywacke (SiO2 with lithic fragments)

Shale (Shale) — sedimentary

Shale

Shale

Limestone with Lichen/Moss (Calcium Carbonate (CaCO3)) — sedimentary

Limestone with Lichen/Moss

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Pyrite (Iron Pyrite (FeS₂)) — Mineral

Pyrite

Iron Pyrite (FeS₂)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Flint (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — sedimentary

Flint

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Marcasite on Agate / Sphalerite-Pyrite Agate Geode Slice (Marcasite (FeS2) / Pyrite on Quartz (SiO2)) — mineral

Marcasite on Agate / Sphalerite-Pyrite Agate Geode Slice

Marcasite (FeS2) / Pyrite on Quartz (SiO2)

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Flint (Silicon dioxide (SiO2)) — sedimentary

Flint

Silicon dioxide (SiO2)

Limestone (Calcium Carbonate (CaCO3) / Limestone) — sedimentary

Limestone

Calcium Carbonate (CaCO3) / Limestone

Limestone ( weathered ) / Chert Nodular Rock (Sedimentary rock (primarily Calcium Carbonate, CaCO3, with Microcrystalline Quartz, SiO2)) — sedimentary

Limestone ( weathered ) / Chert Nodular Rock

Sedimentary rock (primarily Calcium Carbonate, CaCO3, with Microcrystalline Quartz, SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Chalk / Calcite Rock) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (Chalk / Calcite Rock)

Calcium Carbonate (CaCO3)

Sandstone Cobble with Iron Staining (Arenite with Limonite/Hematite staining) — sedimentary

Sandstone Cobble with Iron Staining

Arenite with Limonite/Hematite staining

Eroded Limestone with Iron Staining (Carbonate Rock (CaCO3)) — sedimentary

Eroded Limestone with Iron Staining

Carbonate Rock (CaCO3)

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

Red Sandstone

Arenite (with Iron Oxide)

Limestone (Weathered Pebble) (Calcium Carbonate (CaCO3) / Limestone) — sedimentary

Limestone (Weathered Pebble)

Calcium Carbonate (CaCO3) / Limestone

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Quartzose) (Arenite (SiO2 principal composition)) — sedimentary

Sandstone (Quartzose)

Arenite (SiO2 principal composition)

Chert with Calcite Veining (Microcrystalline Quartz (SiO2) with Calcium Carbonate (CaCO3) veins) — sedimentary

Chert with Calcite Veining

Microcrystalline Quartz (SiO2) with Calcium Carbonate (CaCO3) veins

Painted River Rock (Painted Quartzite or Smooth Siltstone) — sedimentary

Painted River Rock

Painted Quartzite or Smooth Siltstone

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (lithic/greywacke variety) (Arenite (composed primarily of SiO2 with various lithic fragments)) — sedimentary

Sandstone (lithic/greywacke variety)

Arenite (composed primarily of SiO2 with various lithic fragments)

Sandstone (Ferruginous) (Arenite (Fe-rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Mudstone (Argillite) — sedimentary

Mudstone

Argillite

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Limestone (Calcium Carbonate - CaCO3)) — sedimentary

Limestone

Limestone (Calcium Carbonate - CaCO3)

Limonitic Iron Ore / Goethite (Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)) — sedimentary

Limonitic Iron Ore / Goethite

Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (likely Quartzite-grade) (Arenite (primarily SiO2)) — sedimentary

Sandstone (likely Quartzite-grade)

Arenite (primarily SiO2)

Fossiliferous Limestone (Fossiliferous Limestone (containing bioclasts)) — sedimentary

Fossiliferous Limestone

Fossiliferous Limestone (containing bioclasts)

Sandstone (Arenite (composed primarily of SiO2, or Silicon Dioxide)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2, or Silicon Dioxide)

Chert (Yellow/Tan Variety) (Chert (SiO2)) — sedimentary

Chert (Yellow/Tan Variety)

Chert (SiO2)