Shale
Laminated Mudstone
sedimentary
Category
Sedimentary (Fossiliferous)
Browse sedimentary (fossiliferous) specimens identified by the Rock Identifier community.
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Fossiliferous Sedimentary Rock (Coquina/Limestone)
Fossiliferous Calcarenite / Bioclastic Limestone
sedimentary
Fossiliferous Shale
Sedimentary Clastic Rock with fossil inclusions (likely Brachiopod or Bivalve impressions)
fossil
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous limestone
Bioclastic limestone, chiefly calcite (CaCO₃)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) - Limestone
sedimentary
Fossil Bone Fragment
Petrified bone (permineralized hydroxyapatite)
fossil
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous limestone pebble
Calcite-rich limestone containing possible brachiopod or coral fossil impressions
fossil
Coprolite
Fossilized feces (various taxa)
sedimentary
Limestone
Limestone (CaCO3)
sedimentary
Fossiliferous limestone (likely a crinoidal or shell-fragment limestone)
Bioclastic limestone, composed chiefly of calcite (CaCO₃)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Sandstone
Sedimentary rock containing invertebrate fossils
fossil
Fossiliferous Limestone
Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)
sedimentary
Fossil Assortment and Geological Specimens
Various (including Ammonoidea)
fossil
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3)
sedimentary
Fossiliferous Limestone
Calcium carbonate matrix with macrofossils (CaCO3)
sedimentary
Fossiliferous limestone
Bioclastic limestone, predominantly calcite (CaCO₃)
sedimentary
Sandstone Concretion with Fossil Wood
Ferruginous Sandstone Concretion (SiO2 with Fe2O3 cement)
sedimentary
Fossiliferous Limestone
Calcareous Sedimentary Rock (CaCO3)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with marine fossils
fossil
Fossiliferous limestone
Calcite-rich limestone (CaCO₃), possibly coral or shell-bearing
sedimentary
Fossiliferous Limestone
Calcite (CaCO3) matrix with biogenic fragments
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock (CaCO3)
sedimentary
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3)
sedimentary
Fossiliferous Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock (Calcite, CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone
Fossiliferous Carbonate Rock (CaCO3)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclasts
sedimentary
Fossiliferous Limestone
Biogenic Limestone containing marine invertebrate fossils
sedimentary
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Tumbled fossiliferous limestone
Bioclastic limestone, chiefly calcite (CaCO₃), with fossil shell fragments
fossil
Mother of Pearl (Nacre) / Shell Fragment
Biogenic Calcium Carbonate (Aragonite and Conchiolin)
fossil
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Biogenic Fossils
sedimentary
Fossiliferous Limestone
Calcium carbonate (CaCO3) with marine fossils
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Bioclastic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Glauconitic Sandstone (Greensand)
Glauconitic quartz wacke or arenite
sedimentary
Fossiliferous Limestone
Bioclastic Limestone
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock (primarily CaCO3 with fossil fragments)
sedimentary