Rock Identifier

Category

Sedimentary

Browse sedimentary specimens identified by the Rock Identifier community.

Learn about Sedimentary in the encyclopedia

Argillite

Arkose

Banded Iron Formation

Banded Iron Formation

Bauxite

Bituminous Coal

Bituminous Coal

Bituminous Shale

Bituminous Shale

Black Shale

Bog Iron

Breccia

Brecciated Jasper

Brecciated Jasper

Bumblebee Jasper

Bumblebee Jasper

Calcarenite

Painted Rock (Weathered Sedimentary Rock (Painted)) — sedimentary

Painted Rock

Weathered Sedimentary Rock (Painted)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Limestone (Calcium carbonate (CaCO3)) — sedimentary

Limestone

Calcium carbonate (CaCO3)

Petrified Wood (Silicified Wood) — fossil

Petrified Wood

Silicified Wood

Coal (Bituminous or sub-bituminous coal (carbonaceous rock)) — sedimentary

Coal

Bituminous or sub-bituminous coal (carbonaceous rock)

Starfish Fossil (Asteroidea fossil) — fossil

Starfish Fossil

Asteroidea fossil

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Light-colored sedimentary rock, likely limestone (Calcite-rich limestone (primarily CaCO₃); exact identification requires testing) — sedimentary

Light-colored sedimentary rock, likely limestone

Calcite-rich limestone (primarily CaCO₃); exact identification requires testing

Likely quartz-rich sedimentary pebbles (Quartz arenite or chert-like siliceous rock; exact identification is uncertain from the photograph) — sedimentary

Likely quartz-rich sedimentary pebbles

Quartz arenite or chert-like siliceous rock; exact identification is uncertain from the photograph

Iron-rich sedimentary rock, likely banded iron formation fragment (Banded iron formation (BIF), composed chiefly of hematite/magnetite and chert) — sedimentary

Iron-rich sedimentary rock, likely banded iron formation fragment

Banded iron formation (BIF), composed chiefly of hematite/magnetite and chert

Weathered coal-bearing sedimentary rock (likely shale or mudstone with coal fragments) (Carbonaceous shale/mudstone; predominantly clay minerals, quartz, and organic carbon) — sedimentary

Weathered coal-bearing sedimentary rock (likely shale or mudstone with coal fragments)

Carbonaceous shale/mudstone; predominantly clay minerals, quartz, and organic carbon

Wishing Stone (Quartz-veined Sedimentary Pebble) (Silicified sedimentary rock with quartz vein (SiO2)) — sedimentary

Wishing Stone (Quartz-veined Sedimentary Pebble)

Silicified sedimentary rock with quartz vein (SiO2)

Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone) (Silicified limestone or banded sedimentary rock with mineral veins) — sedimentary

Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)

Silicified limestone or banded sedimentary rock with mineral veins

Chert (Jasper/Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Dendritic Siltstone (Siltstone with Manganese Dendrites (MnO2)) — sedimentary

Dendritic Siltstone

Siltstone with Manganese Dendrites (MnO2)

Fossiliferous Limestone with Crinoid Stem (Sedimentary Rock with Crinoidea Fossil) — fossil

Fossiliferous Limestone with Crinoid Stem

Sedimentary Rock with Crinoidea Fossil

Chert Nodule or Concretion (Microcrystalline Quartz / Sedimentary Nodule) — sedimentary

Chert Nodule or Concretion

Microcrystalline Quartz / Sedimentary Nodule

Fossilized Shell or Coral Fragment in Matrix (Invertebrate Fossil in Sedimentary Rock) — fossil

Fossilized Shell or Coral Fragment in Matrix

Invertebrate Fossil in Sedimentary Rock

River Pebble (Quartzite/Siltstone) (Clastic Sedimentary Rock / Quartzite) — sedimentary

River Pebble (Quartzite/Siltstone)

Clastic Sedimentary Rock / Quartzite

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Chert (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert

Sedimentary Cryptocrystalline Quartz (SiO2)

Sandstone (Arenite (Clastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Clastic Sedimentary Rock)

Conglomerate (Conglomerate (Clastic Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

Shale with Quartz Veins (Fissile Sedimentary Rock (SiO2)) — sedimentary

Shale with Quartz Veins

Fissile Sedimentary Rock (SiO2)

Conglomerate (Clastic Sedimentary Rock (Conglomerate)) — sedimentary

Conglomerate

Clastic Sedimentary Rock (Conglomerate)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Coal (Anthracite or Bituminous) (Carbo caulis / Sedimentary Carbon) — sedimentary

Coal (Anthracite or Bituminous)

Carbo caulis / Sedimentary Carbon

Coal (Bituminous or Anthracite) (Organogenic Sedimentary Rock (Carbon)) — sedimentary

Coal (Bituminous or Anthracite)

Organogenic Sedimentary Rock (Carbon)

Limestone Pebble (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone Pebble

Sedimentary Calcium Carbonate (CaCO3)

Limestone Cobble (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone Cobble

Sedimentary Calcium Carbonate (CaCO3)

Sandstone (with Rock Art) (Sandstone (Clastic Sedimentary Rock)) — sedimentary

Sandstone (with Rock Art)

Sandstone (Clastic Sedimentary Rock)

Travertine (Terrestrial Sedimentary Limestone (CaCO3)) — sedimentary

Travertine

Terrestrial Sedimentary Limestone (CaCO3)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Conglomerate (Conglomerate (Clastic Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

Conglomerate (Conglomerate (Sedimentary Clastic Rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary Clastic Rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Sandstone (Clastic sedimentary rock (Arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Arenite)

Conglomerate (Clastic Sedimentary Rock (Conglomerate)) — sedimentary

Conglomerate

Clastic Sedimentary Rock (Conglomerate)

Riverstone (Sandstone or Quartzite) (Sedimentary Rock (likely Arenite)) — sedimentary

Riverstone (Sandstone or Quartzite)

Sedimentary Rock (likely Arenite)

Limestone Riprap (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone Riprap

Sedimentary Calcium Carbonate (CaCO3)

Chert (Jasper) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper)

Sedimentary Cryptocrystalline Quartz (SiO2)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)