Chert (Fossiliferous)
Chert (Cryptocrystalline Silica/SiO2)
Category
Browse sedimentary (fossiliferous) specimens identified by the Rock Identifier community.
Chert (Fossiliferous)
Chert (Cryptocrystalline Silica/SiO2)
Polished fossil-bearing shale or mudstone
Fossiliferous carbonaceous mudstone/shale; visible fossils may be bivalves or ammonites, but species cannot be confirmed from the image
Fossiliferous limestone
Bioclastic limestone, primarily calcite (CaCO₃), with possible shell or coral fossil molds
Fossiliferous limestone
Bioclastic limestone, chiefly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic calcarenite; predominantly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic carbonate rock, predominantly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic limestone, chiefly calcite (CaCO₃), with fossil shell or coral fragments
Fossiliferous limestone
Bioclastic limestone, chiefly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic limestone, predominantly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic limestone, predominantly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic calcarenite, predominantly calcite (CaCO₃)
Fossiliferous limestone
Calcite-rich carbonate rock; chiefly CaCO₃ (often bioclastic limestone)
Fossiliferous limestone
Bioclastic limestone, composed chiefly of calcite (CaCO₃)
Fossiliferous limestone
Bioclastic limestone (calcite-rich carbonate rock)
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with marine fossils
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Fossiliferous limestone
Calcite-rich limestone (CaCO₃), containing possible shell or coral fragments
Fossiliferous limestone
Bioclastic limestone, primarily calcite (CaCO₃)
Fossiliferous limestone
Bioclastic carbonate rock, chiefly calcite (CaCO₃), containing marine fossil fragments
Fossiliferous limestone
Calcite-rich limestone (CaCO₃), likely bioclastic limestone
Fossiliferous limestone
Bioclastic carbonate rock, chiefly calcite (CaCO₃)
Fossiliferous limestone
Bioclastic carbonate rock; predominantly calcite (CaCO₃), with fossil shell fragments
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Biogenic Inclusions
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclasts
Fossiliferous Limestone
Biogenic Limestone (CaCO3)
Fossiliferous Limestone
Limestone (CaCO3 with Bioclasts)
Fossiliferous Limestone
Biomicrite / Limestone with fossils
Fossiliferous Limestone
Calcite (CaCO3) with Bioclastic inclusions
Fossiliferous Limestone
Calcareous biomicrite / Calcium Carbonate (CaCO3)
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with fossil inclusions
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with organic fossil inclusions
Fossiliferous Limestone
Limestone (CaCO3 with Limonite/Goethite staining)
Fossiliferous Limestone
Biogenic Limestone (CaCO3 with fossil fragments)
Fossiliferous limestone
Calcarenite/bioclastic limestone, predominantly calcite (CaCO₃)
Fossiliferous limestone
Calcite-rich limestone (CaCO₃), containing fossil shell or coral fragments
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with fossil inclusions
Limestone (fossiliferous)
Calcium Carbonate (CaCO3)
Fossiliferous Flint
Microcrystalline Quartz (SiO2) with Echinoid Fossil
Fossiliferous Limestone
Calcareous biomicrite / Bioclastic limestone
Fossiliferous Limestone
Limestone with fossil inclusions (CaCO3)
Fossiliferous Limestone
Calcium Carbonate (CaCO3)