Sandstone
Clastic Sedimentary Rock
Category
Browse sedimentary (fossiliferous) specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock
Sandstone
Clastic sedimentary rock
Argillite / Mudstone
Argillaceous sedimentary rock
Sandstone
Clastic Sedimentary Rock
Coal (Bituminous Coal)
Caustobiolith / Sedimentary Rock
Limestone Cobble
Sedimentary Limestone (CaCO3)
Coal
Carbonaceous sedimentary rock
Conglomerate
Conglomerate (Sedimentary rock)
Conglomerate
Conglomerate (Sedimentary Rock)
Banded River Stone (Greywacke or Siltstone subtype)
Sedimentary Banded Siltstone
Conglomerate
Conglomerate (Sedimentary Rock)
Stream-Rounded Shale or Mudstone
Argillaceous sedimentary rock
Conglomerate
Clastic Sedimentary Rock
River Cobble (likely Siltstone or Sandstone)
Clastic Sedimentary Rock
Conglomerate
Conglomerative Sedimentary Rock
Conglomerate
Clastic Sedimentary Conglomerate
Limestone
Sedimentary Calcite (CaCO3)
Conglomerate
Conglomerate (Sedimentary rock)
River Pebble (Siltstone/Mudstone)
Clastic sedimentary rock
Sandstone
Arenite (Sedimentary Rock)
Polygenetic Conglomerate (or Breccia)
Clastic Sedimentary Rock
Sandstone (likely Graywacke or Lithic Sandstone)
Clastic Sedimentary Rock
Conglomeratic Sandstone
Clastic Sedimentary Rock
Brecciated Jasper
Sedimentary Chalcedony (SiO2)
Conglomerate (or Breccia)
Clastic Sedimentary Rock
Pebble (likely Siltstone or fine-grained Sandstone)
Sedimentary Clastic Rock
Conglomerate
Clastic sedimentary conglomerate
Sandstone
Arenite (Sedimentary Rock)
Sandstone (with Siltstone/Greywacke variations)
Sedimentary Rock (Clastic)
River Rock (likely Siltstone or fine-grained Sandstone)
Clastic Sedimentary Rock
Sandstone (with vugs)
Arenite / Sedimentary Sandstone
Shale
Argillaceous sedimentary rock
Shale
Lutaceous Sedimentary Rock
Shale (possibly Carbonaceous or Oil Shale)
Argillaceous Sedimentary Rock
Carnelian Agate
Chalcedony (SiO2)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Sandstone Pebble
Sedimentary Rock (Quartz Arenite)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Limonite (Iron Stone Concretion)
Limonite (Hydrous Iron Oxide) - FeO(OH)·nH2O
Fossil Brachiopod or Mollusk Cast
Phylum Brachiopoda / Mollusca internal mold
Chert
Chert (Microcrystalline Quartz)
Raw selenite (gypsum)
Gypsum, CaSO₄·2H₂O; translucent variety selenite