Sandstone
Clastic Sedimentary Rock
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock
Shale
Shale (Lutite)
Banded Sedimentary Rock
Sedimentary Rock with Quartz/Feldspar Vein
Shale (sub-type: Carbonaceous Shale)
Lutaceous Sedimentary Rock
Shale
Sedimentary pelitic rock
Sandstone
Quartz Sandstone (predominantly)
Concretion
Sedimentary Concretion
Conglomerate Pebble (with Chert / Quartz)
Sedimentary Conglomerate / Breccia Pebble
Sandstone
Clastic Sedimentary Rock
Bivalve Seashell Fossil
Class Bivalvia
Shale
Fissile mudrock (composed primarily of clay minerals and quartz)
Sandstone
Clastic Sedimentary Rock
Conglomerate
Conglomerate (a clastic sedimentary rock)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone
Clastic Sedimentary Rock
Chalcedony Geode
Silicon Dioxide (SiO2)
Small red-brown mineral or rock fragment
Unidentified; possibly iron-oxide-rich jasper, garnet, or weathered sulfide
Shale with Quartz Veins
Fissile Sedimentary Rock (SiO2)
Geode (Quartz / Chalcedony Geode)
SiO2 (Silicon Dioxide)
Sandstone
Arenite
Yellow Agate (Banded Chalcedony)
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) within a geode
Sandstone
Clastic Sedimentary Rock
Sandstone
Clastic Sedimentary Rock
Sandstone
Sedimentary Clastic Rock
Sandstone with Lichen and Iron Oxide Staining
Quartz Arenite / Sandstone
Shale
Shale (clastic sedimentary rock)
Coarse-grained gray metamorphic rock, likely gneiss
Biotite–quartz–feldspar gneiss (probable)
Generic Pebble
Lithic Fragment
Crushed stone aggregate
Mixed lithic aggregate; individual fragments cannot be identified from the image
Sandstone
Clastic Sedimentary Rock
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Sandstone
Clastic Sedimentary Rock
Sandstone
Sedimentary Clastic Rock
Sandstone (with Siltstone/Greywacke variations)
Sedimentary Rock (Clastic)
Fossilized Brachiopod or Gastropod in Chert/Limestone
Phylum Brachiopoda / Mollusca
Pitted Sedimentary Rock / Cupstone
Sedimentary rock with weathering pit (arenite / sandstone)
Shale or Mudstone
Argillaceous sedimentary rock
Sandstone (Banded)
Sedimentary Clastic Rock
Sandstone
Clastic Sedimentary Rock
Shale or Mudstone River Pebble
Argillaceous sedimentary rock