Painted River Rock
Painted Quartzite or Smooth Siltstone
sedimentary
Category
Sedimentary Rock (Metamorphosed)
Browse sedimentary rock (metamorphosed) specimens identified by the Rock Identifier community.
Learn about Sedimentary Rock (Metamorphosed) in the encyclopedia
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Mudstone
Argillite
sedimentary
Chert (Yellow/Tan Variety)
Chert (SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Wishing Stone (Quartz-veined Metamorphic/Sedimentary Rock)
Quartz Vein in Greywacke/Slate (SiO2 in host rock)
metamorphic
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Banded Sedimentary Rock
Stratified Siliciclastic / Arenite or Siltstone with Mineral Bands
sedimentary
Shale or Siltstone
Fine-grained siliciclastic sedimentary rock
sedimentary
Sandstone
Arenite
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
sedimentary
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Quartz Geode (likely within Limestone or Dolomite matrix)
Quartz (SiO₂)
Mineral within a Sedimentary Rock
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Sandstone
Sedimentary rock composed mainly of quartz sand
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide (Limonite/Hematite) coating
sedimentary
Banded Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Bivalve Fossil (Clam Shell)
Class Bivalvia
fossil
Sandstone (Micaceous)
Clastic Sedimentary Rock (primarily SiO2 with Mica)
sedimentary
Petrified Wood
Silicified wood (primarily quartz, SiO2)
fossil
Fossil Coral
Rugose Coral or Tabulate Coral (Phylum Cnidaria)
fossil
Fossilized Bark
Lepidodendron / Sigillaria fossil impression
fossil
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Micaceous Sandstone or Quartzite
Sandstone (lithified quartz grains, often with mica) or Quartzite (metamorphosed sandstone)
Sedimentary or Metamorphic
Geode with Quartz and possibly Jasper/Hematite
Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides
Mineral/Sedimentary Geode
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Shale
Argillite / Shaly Mudstone
sedimentary
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
sedimentary
Red Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Pyrite in Shale
Iron Disulfide (FeS2)
mineral
Manhattan Schist
Manhattan Schist (Aluminous Metasedimentary Rock)
metamorphic
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
igneous
Fossilized Brachiopod
Brachiopoda (Phylum)
fossil
Chert or Flint
Silicon dioxide (SiO2)
sedimentary
Fossil Snail
Gastropoda (fossilized)
fossil
Claystone Concretion
Septarian Concretion (Ironstone-rich)
sedimentary
Geode (Quartz / Chalcedony Geode)
SiO2 (Silicon Dioxide)
sedimentary