Fossiliferous Limestone
Limestone (CaCO3 with Bioclasts)
sedimentary
Category
Mineralized Fossil
Browse mineralized fossil specimens identified by the Rock Identifier community.
Learn about Mineralized Fossil in the encyclopedia
View all →
Fossiliferous Chert (with Fossil Shells)
Silicon Dioxide (SiO2) with biogenic inclusions
sedimentary
Larimar and Fossil Coral
Pectolite (NaCa2Si3O8(OH)) and Hexagonaria/Petoskey Stone
mineral and sedimentary
Sandstone
Arenite
sedimentary
Fossiliferous Limestone
Fossiliferous Calcarenite (CaCO3)
sedimentary
Coquina or Fossiliferous Limestone
Biogenic Limestone (Calcite/Aragonite CaCO3)
sedimentary
Bivalve Fossil in Sedimentary Matrix
Fossiliferous Mudstone (Class: Bivalvia)
sedimentary
Coquina / Fossiliferous Limestone
Calcareous bioclastic sedimentary rock (CaCO3)
sedimentary
Fossiliferous Limestone with Brachiopod
Limestone (Calcium Carbonate, CaCO3) with Phylum Brachiopoda fossil
sedimentary
Amber (Copal)
Fossilized Tree Resin (C10H16O)
mineral
Sandstone
Arenite
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Brachiopod Fossil in Shale
Phylum Brachiopoda (often species of Order Spiriferida or Rhynchonellida)
sedimentary
Fossiliferous Shale
Laminated Mudrock with plant fossils
sedimentary
Fossiliferous Limestone
Calcium Carbonate - CaCO3
sedimentary
Ironstone Concretion
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary
Flower Agate
Silicon Dioxide (SiO2) with Plume Inclusions
mineral
Sandstone Pebble
Arenite (primarily SiO2)
sedimentary
Sandstone (Greywacke/Siltstone variant)
Arenite / Wacke (SiO2 with diverse mineral inclusions)
sedimentary
Sandstone
Arenite (Sedimentary Rock)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Fossiliferous Limestone
Bioclastic Limestone (CaCO3)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized colonial coral)
sedimentary
Fossiliferous Limestone
Bioclastic Limestone (composition: CaCO3)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclasts
sedimentary
Amber
Succinite (Resinite)
Organic Crystal (Mineraloid)
Megalodon Tooth
Otodus megalodon
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Chert (Fossiliferous)
Silicon dioxide (SiO2)
sedimentary
Gastropod Steinkern (Internal Mold Fossil)
Gastropoda (Class); Internal mold or 'Steinkern' composed of Calcium Carbonate (CaCO3) or Sedimentary matrix
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Hag Stone
Perforated Sedimentary Rock
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Claystone Concretion
Septarian Concretion (Ironstone-rich)
sedimentary
Fossiliferous Limestone (Pink/Red)
Calcium Carbonate (CaCO3) with Bioclasts
sedimentary
Fossiliferous Limestone
Bioclastic Limestone (CaCO3)
sedimentary
Sandstone (likely Fossiliferous)
Arenite / Fossiliferous Sandstone (SiO2 composition)
sedimentary
Sandstone Concretion
Septarian Concretion (Nodule)
sedimentary