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

Sedimentary Outcrop (Sandstone/Shale) (Sedimentary bedrock formation (variable composition)) — sedimentary

Sedimentary Outcrop (Sandstone/Shale)

Sedimentary bedrock formation (variable composition)

Pink sandstone pebble (Quartz-rich sandstone, likely arkosic or ferruginous sandstone) — sedimentary

Pink sandstone pebble

Quartz-rich sandstone, likely arkosic or ferruginous sandstone

Weathered sandstone pebble (Sandstone, likely quartz-rich (arkose or quartz arenite)) — sedimentary

Weathered sandstone pebble

Sandstone, likely quartz-rich (arkose or quartz arenite)

Weathered gray sandstone or siltstone (Clastic sedimentary rock, likely quartz–feldspar-rich sandstone/siltstone) — sedimentary

Weathered gray sandstone or siltstone

Clastic sedimentary rock, likely quartz–feldspar-rich sandstone/siltstone

Weathered limestone (Calcite-rich carbonate rock (mostly CaCO₃)) — sedimentary

Weathered limestone

Calcite-rich carbonate rock (mostly CaCO₃)

Fossilized shell fragment (Indeterminate fossil mollusk; likely a silicified or mineral-replaced bivalve/gastropod fragment) — fossil

Fossilized shell fragment

Indeterminate fossil mollusk; likely a silicified or mineral-replaced bivalve/gastropod fragment

Quartz Geode (Silicon Dioxide (SiO2) within a sedimentary or igneous host) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) within a sedimentary or igneous host

Chert (Tan/Yellow variety) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Tan/Yellow variety)

Microcrystalline quartz (SiO2)

Shale (or Mudstone) (Clay mineral aggregate / Fine-grained siliciclastic sedimentary rock) — sedimentary

Shale (or Mudstone)

Clay mineral aggregate / Fine-grained siliciclastic sedimentary rock

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

Sandstone (Ferruginous)

Arenite with Iron Oxide (Fe2O3) cement

Shale (Shale (fine-grained clastic sedimentary rock)) — Sedimentary

Shale

Shale (fine-grained clastic sedimentary rock)

Red Claystone / Mudstone (Argillaceous sedimentary rock) — sedimentary

Red Claystone / Mudstone

Argillaceous sedimentary rock

Conglomerate (Conglomerate Sedimentary Rock) — sedimentary

Conglomerate

Conglomerate Sedimentary Rock

River Stone (Sandstone or Siltstone) (Sedimentary Rock (Clastic)) — sedimentary

River Stone (Sandstone or Siltstone)

Sedimentary Rock (Clastic)

Stromatolite (Biogenic sedimentary rock) — sedimentary

Stromatolite

Biogenic sedimentary rock

Sandstone (Banded) (Sedimentary Clastic Rock) — sedimentary

Sandstone (Banded)

Sedimentary Clastic Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Conglomerate / Breccia Matrix (Aggregated Rock) (Sedimentary Breccia / Conglomerate) — sedimentary

Conglomerate / Breccia Matrix (Aggregated Rock)

Sedimentary Breccia / Conglomerate

River Pebble (Siltstone / Fine-grained Sandstone) (Sedimentary Pebble (Siliclastic)) — sedimentary

River Pebble (Siltstone / Fine-grained Sandstone)

Sedimentary Pebble (Siliclastic)

Coal (Bituminous or Anthracite) (Carbonaceous Sedimentary Rock) — sedimentary

Coal (Bituminous or Anthracite)

Carbonaceous Sedimentary Rock

River Stone (likely Siltstone or Mudstone) (Argillaceous Sedimentary Rock) — sedimentary

River Stone (likely Siltstone or Mudstone)

Argillaceous Sedimentary Rock

Sandstone (Arenite (Sedimentary rock)) — sedimentary

Sandstone

Arenite (Sedimentary rock)

Banded Sandstone (Clastic Sedimentary Sandstone) — sedimentary

Banded Sandstone

Clastic Sedimentary Sandstone

Shale (Argillaceous Sedimentary Rock) — sedimentary

Shale

Argillaceous Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Flagstone (Sedimentary Sandstone / Flagstone) — sedimentary

Flagstone

Sedimentary Sandstone / Flagstone

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

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

Fossiliferous Limestone Pebble

Sedimentary Rock (CaCO3)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone Pebble (Sedimentary quartz arenite) — sedimentary

Sandstone Pebble

Sedimentary quartz arenite

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Sedimentary Clastic Rock) — sedimentary

Sandstone

Sedimentary Clastic Rock

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Jasper and Quartzite Breccia (Silicified sedimentary breccia) — sedimentary

Jasper and Quartzite Breccia

Silicified sedimentary breccia

Fossiliferous Limestone (Biogenic Sedimentary Rock) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock

Sandstone (Heart-shaped pebble) (Sedimentary Quartz Sandstone) — sedimentary

Sandstone (Heart-shaped pebble)

Sedimentary Quartz Sandstone

Sandstone (Clastic sedimentary rock) — sedimentary

Sandstone

Clastic sedimentary rock