Rock Identifier

Category

Sedimentary Rock

Browse sedimentary rock specimens identified by the Rock Identifier community.

Learn about Sedimentary Rock in the encyclopedia

Asphalt Rock

Rock Gypsum

Coral Rock

Rock Salt

Conglomerate

Coal

Limestone

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Claystone

Mudstone

Ironstone

Shale (Shale (Lutite)) — sedimentary

Shale

Shale (Lutite)

Shale (Fissile mudrock (composed primarily of clay minerals and quartz)) — sedimentary

Shale

Fissile mudrock (composed primarily of clay minerals and quartz)

Shale (Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)) — sedimentary

Shale

Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)

Sandstone and Conglomerate pebbles (Sedimentary clastic rock) — sedimentary

Sandstone and Conglomerate pebbles

Sedimentary clastic rock

Cockle Shell Fossil (Cardiidae family (Bivalvia)) — fossil

Cockle Shell Fossil

Cardiidae family (Bivalvia)

Fossil Brachiopod or Mollusk Cast (Phylum Brachiopoda / Mollusca internal mold) — fossil

Fossil Brachiopod or Mollusk Cast

Phylum Brachiopoda / Mollusca internal mold

Sandstone Pebble (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone Pebble

Sedimentary Rock (Quartzose Sandstone)

Seashell Fossil (Gastropoda fossil) — fossil

Seashell Fossil

Gastropoda fossil

Shale (Clastic sedimentary rock (primarily clay and silt minerals)) — sedimentary

Shale

Clastic sedimentary rock (primarily clay and silt minerals)

Sandstone (Quartz Arenite (a common type of sandstone, given the appearance), Arkose, Greywacke (depending on mineralogy)) — Sedimentary Rock

Sandstone

Quartz Arenite (a common type of sandstone, given the appearance), Arkose, Greywacke (depending on mineralogy)

Sedimentary Rock

Sandstone (Sandstone (lithified quartz arenite, arkose, graywacke, etc. depending on composition)) — Sedimentary Rock

Sandstone

Sandstone (lithified quartz arenite, arkose, graywacke, etc. depending on composition)

Sedimentary Rock

Conglomerate (Conglomerate) — Sedimentary

Conglomerate

Conglomerate

Shale (Sedimentary pelitic rock) — sedimentary

Shale

Sedimentary pelitic rock

Fossilized Brachiopod (Brachiopoda (Phylum)) — fossil

Fossilized Brachiopod

Brachiopoda (Phylum)

Chert or Flint (Silicon dioxide (SiO2)) — sedimentary

Chert or Flint

Silicon dioxide (SiO2)

Fossil Snail (Gastropoda (fossilized)) — fossil

Fossil Snail

Gastropoda (fossilized)

Claystone Concretion (Septarian Concretion (Ironstone-rich)) — sedimentary

Claystone Concretion

Septarian Concretion (Ironstone-rich)

Sandstone (Sandstone (clastic sedimentary rock)) — Rock

Sandstone

Sandstone (clastic sedimentary rock)

Quartz Geode (likely within Limestone or Dolomite matrix) (Quartz (SiO₂)) — Mineral within a Sedimentary Rock

Quartz Geode (likely within Limestone or Dolomite matrix)

Quartz (SiO₂)

Mineral within a Sedimentary Rock

Fossil Shell (Phylum Mollusca (Bivalvia or Brachiopoda)) — fossil

Fossil Shell

Phylum Mollusca (Bivalvia or Brachiopoda)

Sandstone Pebble (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone Pebble

Sedimentary Rock (Quartzose Sandstone)

Fossilized Bivalve Shell (Class Bivalvia (fossilized)) — fossil

Fossilized Bivalve Shell

Class Bivalvia (fossilized)

Fossil Shark Tooth (Selachii (fossilized dentition)) — fossil

Fossil Shark Tooth

Selachii (fossilized dentition)

Sandstone or Siltstone (Arenite (if sandstone)) — Sedimentary

Sandstone or Siltstone

Arenite (if sandstone)

Weathered sandstone or iron-rich sedimentary rock (Clastic sandstone, likely ferruginous sandstone; primarily quartz (SiO₂) with iron-oxide cement) — sedimentary

Weathered sandstone or iron-rich sedimentary rock

Clastic sandstone, likely ferruginous sandstone; primarily quartz (SiO₂) with iron-oxide cement

$Veined Quartzite / Vein-filled Sedimentary Rock (Siliciclastic rock with iron oxide-filled fractures) — sedimentary$

Veined Quartzite / Vein-filled Sedimentary Rock

Siliciclastic rock with iron oxide-filled fractures

Sandstone (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone

Arenite (Siliclastic sedimentary rock)

Mudstone (Argillite / Siliciclastic sedimentary rock) — sedimentary

Mudstone

Argillite / Siliciclastic sedimentary rock

River Cobble (Quartzite / Sandstone) (Quartzite / Siliciclastic Sedimentary Rock) — sedimentary

River Cobble (Quartzite / Sandstone)

Quartzite / Siliciclastic Sedimentary Rock

Sandstone pebble (Sandstone (siliciclastic sedimentary rock)) — sedimentary

Sandstone pebble

Sandstone (siliciclastic sedimentary rock)

Sandstone Pebble (Quartzose Sandstone (Sedimentary Rock)) — sedimentary

Sandstone Pebble

Quartzose Sandstone (Sedimentary Rock)

Sandstone (Quartzose Sandstone (Sedimentary Rock)) — sedimentary

Sandstone

Quartzose Sandstone (Sedimentary Rock)

Sandstone (Quartzose Sandstone (Sedimentary Rock)) — sedimentary

Sandstone

Quartzose Sandstone (Sedimentary Rock)

Sandstone Pebble (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone Pebble

Arenite (Siliclastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Siltstone (Siltstone (Detrital Sedimentary Rock)) — sedimentary

Siltstone

Siltstone (Detrital Sedimentary Rock)

Conglomerate (Conglomerate (Clastic Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Quartzite Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Quartzite Conglomerate

Conglomerate (clastic sedimentary rock)

Siltstone (Siltstone (Siliclastic sedimentary rock)) — sedimentary

Siltstone

Siltstone (Siliclastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)