Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
sedimentary
Category
Sedimentary (Biogenic)
Browse sedimentary (biogenic) specimens identified by the Rock Identifier community.
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
sedimentary
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Travertine (often colloquially called Tufa)
Chemical Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Oolitic Limestone
Oolite (Sedimentary rock composed of CaCO3)
sedimentary
Sandstone (Quartzose Pebble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Glacial Cobble)
Arenite / Sedimentary Rock (primarily SiO2)
sedimentary
Fossiliferous Limestone
Calcite-rich Sedimentary Rock (CaCO3)
sedimentary
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone Geode (Unbroken)
Siliciclastic sedimentary rock (primarily Quartz)
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Ferruginous Sandstone (Grit)
Clastic Sedimentary (Ironstone-rich Sandstone)
sedimentary
Dragon Stone
Argillaceous Sedimentary Rock (Ohko Stone)
sedimentary
Red Sandstone (Arkose)
Clastic Sedimentary Rock (Lithic Arkose)
sedimentary
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
sedimentary
Anthracite Coal
Anthracite (Carbon-rich Sedimentary Rock)
sedimentary
Sandstone with Quartz Veining
Clastic sedimentary rock (SiO2 dominated)
sedimentary
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone Concretion
Sedimentary Concretion (SiO2 or CaCO3 cemented)
sedimentary
Coquina / Fossiliferous Limestone
Calcareous bioclastic sedimentary rock (CaCO3)
sedimentary
Bituminous Coal
Organic sedimentary rock (humic coal)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Banded Sandstone (Differential Weathering)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
sedimentary
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Banded Chert
Cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (SiO2 principal component)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Fossiliferous Limestone
Calcium Carbonate - CaCO3
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 principal composition)
sedimentary