Limestone
Calcium Carbonate (CaCO3)
sedimentary
Category
Sedimentary (Fossil)
Browse sedimentary (fossil) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Fossil) in the encyclopedia
View all →
Limestone (containing Fossil Mold)
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with organic fossil inclusions
sedimentary
Limestone (with potential fossil inclusions)
Calcium Carbonate (CaCO3)
sedimentary
Coal
Coal (Sedimentary Rock / Organic Rock)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2 - Quartz/Chalcedony replacement)
Mineral / Fossil
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone with Fossil Fragment
Bioclastic limestone (Calcium carbonate, CaCO3)
sedimentary
Flint with Fossil Inclusion
Cryptocrystalline quartz (SiO2) enclosing fossilized organic remains
sedimentary
Chert with Fossil inclusions
Microcrystalline Quartz (SiO2) with biogenic inclusions
sedimentary
Coquina or Coral Fossil
Biogenic Limestone (Calcite/Aragonite)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Turritella (Gastropod Fossil)
Turritella (Genus of gastropods), CaCO3 (Calcium Carbonate or Silicified Agate)
sedimentary
Pale limestone
Limestone, predominantly calcite (CaCO₃)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone (fossiliferous)
Calcium Carbonate (CaCO3)
sedimentary
Chert Concretion
Microcrystalline Quartz (SiO2) in Carbonate Matrix
sedimentary
Fossil Coral (Pleurodictyum)
Pleurodictyum sp. (Order Tabulata)
sedimentary
Coal (Anthracite or Bituminous)
Carbo caulis / Sedimentary Carbon
sedimentary
Fossiliferous Limestone
Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)
fossil
Agate (or Operculum / Fossil Shell)
Silicon Dioxide (SiO2)
mineral
Shale
Laminated Mudstone
sedimentary
Sandstone (River Cobble)
Sandstone (primarily composed of silica, SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Red Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
sedimentary
Siltstone Pebble
Siltstone (composed of microscopic quartz and clay minerals)
sedimentary
Chert (and Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Iron-stained)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Banded chert or siliceous mudstone
Microcrystalline quartz (chalcedony), SiO₂; possibly ferruginous shale
sedimentary
Grey Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Sandstone (SiO2 with iron oxides and clay)
sedimentary
Vesicular Limestone with Borings
Fossiliferous Calcarenite (Calcium Carbonate, CaCO3)
sedimentary
Sandstone with Liesegang Rings
Quartzose Sandstone with Iron Oxide Precipitation
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Red Sandstone
Arenite (with Iron Oxide cement)
sedimentary
Amber
Succinite (Fossilized Resin C10H16O)
Organic Mineraloid
Sandstone
Arenite (principally SiO2)
sedimentary
Ironstone Concretion / Hematite Nodules
Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))
sedimentary
Flexicalymene Trilobite Fossil
Flexicalymene meeki (Order Phacopida, Family Calymenidae)
sedimentary