Rock Identifier

Category

Sedimentary (Man Made Composite)

Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Man Made Composite) in the encyclopedia

Opalite

Map Jasper

Conglomerate

Goldstone

Quartzite Sandstone

Quartzite Sandstone

Breccia

Blue Goldstone

Ironstone

Sea Sediment Jasper

Limestone

Claystone

Sandstone

Sandstone (Quartzose Sandstone) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (primarily SiO2)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

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

Coquina

Biogenic Limestone (Calcium Carbonate - CaCO3)

Weathered sandstone or iron-stained sedimentary rock (Likely quartz-rich sandstone; exact identification is uncertain from the photograph) — sedimentary

Weathered sandstone or iron-stained sedimentary rock

Likely quartz-rich sandstone; exact identification is uncertain from the photograph

Ironstone pebble (Ironstone (Ferruginous Sedimentary Rock)) — sedimentary

Ironstone pebble

Ironstone (Ferruginous Sedimentary Rock)

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

Fossiliferous Limestone

Sedimentary Calcium Carbonate (CaCO3)

Sandstone Pebble (Sandstone (Quartzose/Feldspathic Sandstone)) — sedimentary

Sandstone Pebble

Sandstone (Quartzose/Feldspathic Sandstone)

Weathered sandstone (probable) (Quartz-rich sandstone, largely composed of cemented quartz grains (SiO₂)) — sedimentary

Weathered sandstone (probable)

Quartz-rich sandstone, largely composed of cemented quartz grains (SiO₂)

Shale with Iron Staining (Fissile Argillaceous Sedimentary Rock) — sedimentary

Shale with Iron Staining

Fissile Argillaceous Sedimentary Rock

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Sand Dollar (Fossilized or Calcium Carbonate Skeleton) (Clypeasteroida (Order)) — fossil

Sand Dollar (Fossilized or Calcium Carbonate Skeleton)

Clypeasteroida (Order)

Sandstone (Greywacke) (Arenite / Greywacke Sandstone) — sedimentary

Sandstone (Greywacke)

Arenite / Greywacke Sandstone

Quartz (likely milky/rose quartz variety) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (likely milky/rose quartz variety)

Quartz (SiO2 - Silicon Dioxide)

Fossilized Ripple Marks or Stromatolite (Sedimentary ripple mark imprint / Biosedimentary structure) — fossil

Fossilized Ripple Marks or Stromatolite

Sedimentary ripple mark imprint / Biosedimentary structure

Banded Chert / Jasper (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert / Jasper

Silicon Dioxide (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Sedimentary Rock (Quartz Arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Arenite)

Coal (Biogenic sedimentary rock (Carbon)) — sedimentary

Coal

Biogenic sedimentary rock (Carbon)

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

Banded Chert

Sedimentary Cryptocrystalline Quartz (SiO2)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Brecciated Jasper (Silicon dioxide (SiO2) microcrystalline quartz breccia) — sedimentary

Brecciated Jasper

Silicon dioxide (SiO2) microcrystalline quartz breccia

Limestone (Crushed Gravel) (Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Limestone (Crushed Gravel)

Limestone (Calcium Carbonate, CaCO3)

Limestone Pebble (Calcite-rich Sedimentary Rock (CaCO3)) — sedimentary

Limestone Pebble

Calcite-rich Sedimentary Rock (CaCO3)

Sandstone (Sandstone (composed predominantly of Quartz, SiO2)) — sedimentary

Sandstone

Sandstone (composed predominantly of Quartz, SiO2)

Sandstone Pebble (Quartzite-rich) (Clastic Terrigenous Sedimentary Rock (SiO2 dominant)) — sedimentary

Sandstone Pebble (Quartzite-rich)

Clastic Terrigenous Sedimentary Rock (SiO2 dominant)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (with differential weathering) (Arenite / Quartz Sandstone (SiO2)) — sedimentary

Sandstone (with differential weathering)

Arenite / Quartz Sandstone (SiO2)

Sandstone (specifically an Iron-Concretion) (Arenite with Iron Oxide (Limonite/Goethite) cementation) — sedimentary

Sandstone (specifically an Iron-Concretion)

Arenite with Iron Oxide (Limonite/Goethite) cementation

Chert (Smooth River Stone) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Smooth River Stone)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Agate Geode (Silicon Dioxide (SiO2) - Chalcedony variety) — sedimentary

Agate Geode

Silicon Dioxide (SiO2) - Chalcedony variety

Coquina / Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate - CaCO3)) — sedimentary

Coquina / Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate - CaCO3)

Polished orbicular jasper (likely ocean jasper) (Silicified volcanic rock; chiefly microcrystalline quartz (SiO₂), with feldspar and iron-rich alteration minerals) — sedimentary

Polished orbicular jasper (likely ocean jasper)

Silicified volcanic rock; chiefly microcrystalline quartz (SiO₂), with feldspar and iron-rich alteration minerals

Weathered Sandstone (Quartz Arenite / Clastic Sedimentary Rock) — sedimentary

Weathered Sandstone

Quartz Arenite / Clastic Sedimentary Rock

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (likely Arkose or Quartz Sandstone) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (likely Arkose or Quartz Sandstone)

Clastic sedimentary rock (primarily SiO2)

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

Limestone

Calcium Carbonate (CaCO3 - Calcite)

Limestone Pebble (Calcium Carbonate (CaCO3)) — sedimentary

Limestone Pebble

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)