Sandstone
Arenite (primarily SiO2)
sedimentary
Category
Anthropogenic Sedimentary (Man Made)
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Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Dendritic Siltstone
Siltstone with Manganese Dendrites (MnO2)
sedimentary
Sandstone
Arenite (primarily Quartz-rich sedimentary rock)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Coal
Combustible sedimentary rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone Pebble
Sedimentary quartz arenite
sedimentary
Flagstone
Sedimentary Sandstone / Flagstone
sedimentary
Brachiopod Fossil in Sedimentary Rock
Phylum Brachiopoda fossil imprint in sedimentary matrix
fossil
Tumbled sandstone pebble
Quartz-rich sandstone, commonly subarkose or arkose
sedimentary
Banded Ironstone / Jasper Siltstone
Siltstone with Iron Oxide Hydrates (SiO2 with Fe2O3/FeO(OH))
sedimentary
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Red Sandstone Pebble
Sedimentary quartz sandstone
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Jasper and Quartzite Breccia
Silicified sedimentary breccia
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Sedimentary Clastic Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic sedimentary rock
sedimentary
Stromatolite
Biogenic sedimentary rock
sedimentary
Sandstone (Banded)
Sedimentary Clastic Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Conglomerate / Breccia Matrix (Aggregated Rock)
Sedimentary Breccia / Conglomerate
sedimentary
River Pebble (Siltstone / Fine-grained Sandstone)
Sedimentary Pebble (Siliclastic)
sedimentary
Coal (Bituminous or Anthracite)
Carbonaceous Sedimentary Rock
sedimentary
River Stone (likely Siltstone or Mudstone)
Argillaceous Sedimentary Rock
sedimentary
Shale
Argillaceous Sedimentary Rock
sedimentary
Fossiliferous Limestone Pebble
Sedimentary Rock (CaCO3)
sedimentary