Sandstone (Red Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)
Category
Browse sedimentary rock specimens identified by the Rock Identifier community.
Sandstone (Red Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Quartzite and Sandstone Pebbles
Silicon dioxide (SiO2)
Sandstone with Iron Oxide Staining
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 oxides)
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
Sandstone Pebble with Iron Staining
Clastic Sedimentary Rock (primarily Quartz with Fe2O3 oxides)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Sandstone
Arenite
Shale
Fissile Mudstone (primarily composed of clay minerals and quartz)
Coal
Bituminous or Anthracite coal (carbon-rich sedimentary rock)
Sandstone
Arenite (primarily composed of SiO2)
Shale
Fissile mudstone (primarily clay minerals and silt-sized quartz)
Fossil Crab
Decapoda (likely Avitelmessus or Raninidae family)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz with Limonite/Goethite staining)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
Quartzite in Conglomerate
Clastic Sedimentary Rock with Silicon Dioxide (SiO2) inclusions
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Ferruginous Sandstone (Gozzan)
Iron-rich clastic sedimentary rock with Limonite/Goethite
Ferruginous Sandstone (Ironstone Conglomerate fragments)
Ferruginous clastic sedimentary rock (SiO2 cemented by Fe2O3)
Banded Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (SiO2 with Iron Oxide impurities)
Coal (Bituminous)
Organic sedimentary rock primarily consisting of carbon (C)
Shale (with minor calcite veining)
Clastic sedimentary rock (primarily clay minerals and quartz)
Hag Stone
Calcareous sedimentary rock (often Chert, Flint, or Limestone)
Banded Sandstone (River Pebble)
Clastic Sedimentary Rock (primarily Quartzite and Feldspar grains)
Fossiliferous Shale
Laminated Mudrock with plant fossils
Shale
Mudstone/Shale
Shale
Fissile mudstone (rich in clay minerals and quartz)
Shale with Plant Fossils / Carbonaceous Shale
Laminated Mudrock (Siliciclastic)
Shale
Fissile mudrock (composed of clay-sized particles and detrital grains)
Sandstone
Arenite
Shale
Lutaceous Rock (Sedimentary Mudrock)
Sandstone
Arenite (composed primarily of SiO2)
Shale with Siltstone layering
Sedimentary Clastic Rock (Mudstone/Shale)
Sandstone
Arenite (SiO2 based)
Shale
Shale (clay-rich mudstone)
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
Halite
Halite (Sodium Chloride, NaCl)
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
Fossiliferous Shale
Carbonaceous Shale (with potential plant/aquatic fossils)
Sandstone (Banded Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with iron oxide impurities)