Sandstone (with potentially high Feldspar/Arkose content)
Clastic sedimentary rock (SiO2 dominated)
Category
Browse sedimentary rock specimens identified by the Rock Identifier community.
Sandstone (with potentially high Feldspar/Arkose content)
Clastic sedimentary rock (SiO2 dominated)
Sandstone (Glacial Cobble)
Arenite / Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (primarily SiO2)
Fossiliferous Limestone
Autochthonous Biogenic Sedimentary Rock (CaCO3)
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
Conglomerate
Conglomerate (clastic sedimentary rock type)
Coquina / Fossiliferous Limestone
Calcareous bioclastic sedimentary rock (CaCO3)
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
Sandstone
Clastic sedimentary rock (SiO2 primary)
Sandstone with Quartz Veining
Clastic sedimentary rock (SiO2 dominated)
Sandstone
Arenite (SiO2 based sedimentary rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sand Dollar Fossil
Echinoidea (Clypeasteroida)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Chert (Yellow Jasper/Flint)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Commonly known as Jasper or Flint)
Microcrystalline Quartz (SiO2)
Chert (Chert Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Glauconite (Greensand)
(K, Na)(Fe3⁰, Al, Mg)₂(Si, Al)₄O₁₀(OH)₂
Chert (specifically Jasper)
Silicon dioxide (SiO2) with iron oxide inclusions
Conglomerate (Red Sandstone variety)
Clastic Sedimentary Rock (Conglomeratic Sandstone)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (specifically Banded Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Quartz Vein in Sandstone
Quartz (SiO2) in Clastic Sedimentary Rock
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Gray River Pebble (likely Limestone or Siltstone)
Sedimentary Rock (Calcium Carbonate or Siliciclastic)
Sandstone (likely Quartzose type)
Clastic sedimentary rock (primarily SiO2)
Silty Shale or Mudstone
Siltstone/Mudstone (Clastic Sedimentary Rock)
Coquina Limestone (Fossiliferous Limestone)
Calcareous bioclastic sedimentary rock (CaCO3)
Dragon Stone
Ohko Stone (Argillaceous sedimentary rock)
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
Conglomerate (Asphaltic/Anthropogenic)
Clastic sedimentary rock / Bituminous mixture
Coquina or Fossilized Shell Aggregate
Calcareous bioclastic sedimentary rock (CaCO3)
Lignite (Brown Coal)
Humic Lignite (Carbonaceous sedimentary rock)