Fossilized Bored Limestone
Limestone with Ichnofossils (Gastrochaenolites or Entobia)
sedimentary
Category
Igneous And Fossil
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Fossiliferous Limestone with Quartz Veining
Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone
Fossiliferous Limestone
sedimentary
Crinoidal Limestone
Bioclastic Limestone
Sedimentary
Sandstone
Arenite (Siliclastic sedimentary rock)
sedimentary
Sandstone Pebbles
Arenite
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Ferruginous)
Clastic sedimentary rock (SiO2 with Fe2O3)
sedimentary
Sandstone (with Iron Staining)
Arenite
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 dominant)
sedimentary
Coarse Sandstone
Arenite (SiO2 based)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone with Brachiopod
Phylum Brachiopoda in Sedimentary Matrix (CaCO3)
fossil
Bivalve Shell (Fossil or Contemporary)
Class Bivalvie (various genera and species of clams, cockles, etc.)
Sedimentary (Biogenic sediment or biological remain)
Fossiliferous Limestone
Fossiliferous Limestone (CaCO3)
sedimentary
Coprolite
Coprolite
sedimentary
Banded Chalcedony (Agate) in Basalt Matrix
Cryptocrystalline Quartz (SiO2) in Mafic Igneous Rock
sedimentary/igneous
Dinosaur Claw (Dromaeosaurid)
Dromaeosaurid ungual (potential Deinonychus or Velociraptorine)
fossil
Crinoid Stem Fossil
Crinoid (Class Crinoidea)
fossil
Crinoid Stem Fossil
Class Crinoidea (Sea Lilies)
sedimentary
Fossiliferous Limestone (Coquina / Shell Limestone)
Bioclastic Limestone (CaCO3)
sedimentary
Orthoceras fossil in limestone
Orthoceras regulare (extinct nautiloid cephalopod)
fossil
Amber (Copal)
Succiniferous Resin
mineraloid
Fossilized Rugose Coral (Horn Coral)
Order Rugosa
fossil
Fossilized Shark Teeth in Matrix
Cretaceous Chondrichthyes (Shark) remains in Sedimentary Matrix
fossil
Fossiliferous Limestone (with Coralline Inclusions)
Calcium Carbonate (CaCO3)
sedimentary
Mosasaur Jaw Fossil in Matrix
Mosasaurus (family Mosasauridae) in Phosphate Sandstone
sedimentary
Crinoid Stem Fossil
Class Crinoidea (Phylum Echinodermata), often preserved in Limestone or Calcite (CaCO3)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Fossil Sand Dollar (Echinoidea)
Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)
sedimentary
Stromatolite (Fossiliferous Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossilized Tabulate Coral (Honeycomb Coral)
Favosites (Order: Tabulata)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
mineral
Crinoid Stem Fossil
Crinoid columnal (Class Crinoidea)
sedimentary
Ammonite Fossil
Ammonitida (Extinct subclass of Cephalopoda)
sedimentary
Fossil Shark Tooth (Cretaceous white shark type)
Squalicorax (commonly known as Crow Shark)
Organic specimen (fossil)
Fossiliferous Limestone (Coquina)
Calcite (CaCO3) with Bioclastic inclusions
sedimentary