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

Fossiliferous Limestone (Limestone with fossil bioclasts (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Limestone with fossil bioclasts (Calcium Carbonate, CaCO3)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (composed mostly of SiO2)

Shale (Shale (composition varies: primarily clay minerals and quartz)) — sedimentary

Shale

Shale (composition varies: primarily clay minerals and quartz)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Sandstone with Iron Oxide (Arenite (SiO2 with Fe2O3 staining)) — sedimentary

Sandstone with Iron Oxide

Arenite (SiO2 with Fe2O3 staining)

Chert (Jasper variation) (Chert (Microcrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (Jasper variation)

Chert (Microcrystalline Silicon Dioxide, SiO2)

Sandstone (River Rock) (Arenite (SiO2 principal component)) — sedimentary

Sandstone (River Rock)

Arenite (SiO2 principal component)

Fossiliferous Limestone (Biogenic Calcium Carbonate (CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Calcium Carbonate (CaCO3)

Sandstone (Arenite (primarily Quartz Sandstone)) — sedimentary

Sandstone

Arenite (primarily Quartz Sandstone)

Banded Iron Formation (BIF) / Iron Ore (Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)) — sedimentary

Banded Iron Formation (BIF) / Iron Ore

Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)

Limestone Fragment (Sedimentary rock (primarily Calcium Carbonate, CaCO3)) — sedimentary

Limestone Fragment

Sedimentary rock (primarily Calcium Carbonate, CaCO3)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Greywacke) (Sandstone (SiO2 enriched with lithic fragments)) — sedimentary

Sandstone (Greywacke)

Sandstone (SiO2 enriched with lithic fragments)

Celadonite in Basalt (Green Earth) (Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)) — mineral

Celadonite in Basalt (Green Earth)

Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)

Sandstone (Sandstone (lithified arenite/wacke)) — Sedimentary Rock

Sandstone

Sandstone (lithified arenite/wacke)

Sedimentary Rock

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Sandstone (Sandstone (clastic sedimentary rock)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Halite (Rock Salt) (Halite (Sodium Chloride, NaCl)) — mineral

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Blue Celestite (Strontium Sulfate (SrSO4)) — mineral

Blue Celestite

Strontium Sulfate (SrSO4)

Rhodochrosite (Rhodochrosite, Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Rhodochrosite, Manganese Carbonate (MnCO3)

Chalcedony (Agate/Carnelian) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Agate/Carnelian)

Cryptocrystalline Quartz (SiO2)

Limonite (Iron Stone/Ocher) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Stone/Ocher)

Limonite (FeO(OH)·nH2O)

Blue Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Chalcedony

Cryptocrystalline Quartz (SiO2)

Orange Quartz (Tangerine Quartz) (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Orange Quartz (Tangerine Quartz)

Silicon Dioxide (SiO2) with Hematite inclusions

Sulfur (on Matrix) (Native Sulfur (S8)) — mineral

Sulfur (on Matrix)

Native Sulfur (S8)

Jasper (Silicon dioxide, SiO2) — Mineral

Jasper

Silicon dioxide, SiO2

Sandstone (Arenite (primarily Quartz-rich)) — sedimentary

Sandstone

Arenite (primarily Quartz-rich)

Sandstone (Ferruginous) (Arenite with iron oxide cement (Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Arenite with iron oxide cement (Fe2O3)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Celestite (Celestine) Geode (Strontium Sulfate (SrSO4)) — mineral

Celestite (Celestine) Geode

Strontium Sulfate (SrSO4)

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Siltstone (Siltstone (primarily composed of quartz and clay minerals)) — sedimentary

Siltstone

Siltstone (primarily composed of quartz and clay minerals)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Crinoid Fossil in Limestone (Crinoidea (Phylum Echinodermata) in Calcite Matrix (CaCO3)) — fossil

Crinoid Fossil in Limestone

Crinoidea (Phylum Echinodermata) in Calcite Matrix (CaCO3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Fossilized Shark Tooth (Eocene Lamniformes (Mackerel Shark clade)) — fossil

Fossilized Shark Tooth

Eocene Lamniformes (Mackerel Shark clade)