Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3)
sedimentary
Category
Sedimentary (Biogenic Sediment Or Biological Remain)
Browse sedimentary (biogenic sediment or biological remain) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Biogenic Sediment Or Biological Remain) in the encyclopedia
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Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Chert (and Flint)
Silicon Dioxide (SiO2)
sedimentary
Gravel or Pebble
Clastic Sedimentary Grain (typically composed of Quartz or Silicate minerals)
sedimentary
Chalk
CaCO3 (primarily Calcium Carbonate), biogenic sedimentary rock
Sedimentary
Fossiliferous Limestone Pebble
Calcium Carbonate (CaCO3) with Biogenic Inclusions
sedimentary
Fossiliferous Limestone
Fossiliferous Limestone (CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock (primarily CaCO3 with fossil fragments)
sedimentary
Ironstone Concretion (Limonite/Goethite)
Goethite/Limonite concretion (FeO(OH)·nH2O)
sedimentary
Sandstone (with biological crust)
Arenite (SiO2 based)
sedimentary
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Fossilized Shark Teeth in Matrix
Cretaceous Chondrichthyes (Shark) remains in Sedimentary Matrix
fossil
Chert / Chalcedony Nodule
Silicon Dioxide (SiO2)
sedimentary
Sea Shell (Mollusk Shell)
Calcium Carbonate (Aragonite/Calcite)
fossil
Limestone (Decorative Gravel)
Calcium Carbonate (CaCO3)
sedimentary
Chert (Jasper/Carnelian variety)
Microcrystalline Quartz (SiO2)
sedimentary
Fossiliferous Limestone (Crinoidal)
Crinoid Limestone (CaCO3 with fossil biological remains)
sedimentary
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Amber
Succinate (Fossilized Resin)
mineral
Chert (Agate / Jasper pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Chert (with potential fossil inclusion)
Microcrystalline Quartz (SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Fossilized Gastropod Internal Mold
Gastropoda (Steinkern fossil)
fossil
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Weathered Quartzite or Chert Pebble
Silicon Dioxide (SiO2)
metamorphic or sedimentary
Fossiliferous Chert
Cryptocrystalline quartz (SiO2) with biogenic inclusions
sedimentary
Fossiliferous Limestone
Calcite (CaCO3) matrix with biogenic fragments
sedimentary
Chert with Fossil inclusions
Microcrystalline Quartz (SiO2) with biogenic inclusions
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcite/Aragonite, CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone (Coquina / Shell Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone (Coral Rag)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone (Coquina)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary