Sandstone (Quartz-rich)
Clastic sedimentary rock (SiO2 primary)
Category
Browse sedimentary (anthropogenic) specimens identified by the Rock Identifier community.
Sandstone (Quartz-rich)
Clastic sedimentary rock (SiO2 primary)
Sandstone with Manganese Oxide Patina
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Quartz Arenite)
Clastic Sedimentary Rock - Quartz Arenite
Fossiliferous Limestone
Autochthonous Biogenic Sedimentary Rock (CaCO3)
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
Conglomerate
Conglomerate (clastic sedimentary rock type)
Sandstone (Cross-bedded Drill Core)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
Travertine (often colloquially called Tufa)
Chemical Sedimentary Calcium Carbonate (CaCO3)
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Sandstone (likely Quartzose type)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Fossiliferous Siltstone
Clastic Sedimentary Rock with Fossil Inclusions
Concretion
Sedimentary Concretion (e.g., Siderite or Ironstone)
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Pebble)
Clastic sedimentary rock (primarily SiO2)
Oolitic Limestone
Oolite (Sedimentary rock composed of CaCO3)
Sandstone Geode (Unbroken)
Siliciclastic sedimentary rock (primarily Quartz)
Sandstone (Quartzite texture)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Glacial Cobble)
Arenite / Sedimentary Rock (primarily SiO2)
Fossiliferous Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Limestone
Sedimentary Rock (Calcium Carbonate, CaCO3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone Concretion (Omar or Nut Rock)
Sedimentary Concretion (specifically an 'Omarolluk' or Omar)
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
Red Sandstone (Arkose)
Clastic Sedimentary Rock (Lithic Arkose)
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Graywacke type)
Clastic Sedimentary Rock (Lithic Sandstone)
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
Ferruginous Sandstone (Grit)
Clastic Sedimentary (Ironstone-rich Sandstone)
Dragon Stone
Argillaceous Sedimentary Rock (Ohko Stone)
Stromatolite
Laminated biogenic sedimentary structure (Cyanobacteria)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (Quartz-rich sedimentary rock)
Sandstone with Quartz Veining
Clastic sedimentary rock (SiO2 dominated)