Fossil

Tumbled kambaba jasper (likely)

Kambaba jasper, a silica-rich microcrystalline quartz aggregate, commonly containing fossilized cyanobacterial structures and dark green amphibole/pyroxene minerals

Sandstone or Weathered Conglomerate

Sedimentary Rock (Quartzose Sandstone / Lithic Arenite)

Petrified Wood

Silicified Wood (SiO2)

Coal (Bituminous or Anthracite)

Carbonaceous sedimentary rock (primarily Carbon, C)

Sandstone

Arenite (primarily Quartz, SiO2)

Fossilized Shark Tooth

Carcharocles or Otodus sp. (Micro-fossilized)

Sandstone

Arenite (SiO2 primarily)

Marine invertebrate fossils (Brachiopods and Gastropods)

Phylum Brachiopoda and Class Gastropoda

Crinoid and Coral Fossils in Limestone

Fossiliferous Limestone with Rugosa (order) and Crinoidea (class)

Fossilized tooth, likely mammalian molar

Silicified or mineral-replaced mammalian tooth; exact taxon cannot be determined from the image

Polished stromatolite (likely fossilized microbial mat)

Fossil stromatolite; chiefly microcrystalline quartz (SiO₂), commonly replacing carbonate

Fossilized Coral

Rugosa / Tabulata coral fossils replaced by silica (Chalcedony/Quartz)

Fossilized Brachiopod or Gastropod

Phylum Brachiopoda / Phylum Mollusca

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood

Silicified wood (Quartz / Chalcedony replacement)

Fossilized Shark Tooth (Megalodon or Carcharocles species fragment)

Otodus megalodon / Carcharocles spp. (Apatite / Calcium Phosphate)

Fossilized Shell Fragment / Mother of Pearl

Calcium Carbonate (CaCO3) - Aragonite/Calcite biomineral

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood

Silicified Wood (Per mineral content: SiO2, Quartz/Chalcedony)

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood

Silicified Wood (mainly Quartz/Chalcedony, SiO2)

Fossil Shark Tooth (Sand Tiger Shark type)

Carcharias sp. (likely Odontaspis)

Petrified Wood

Silicified Wood (SiO2)

Turritella Agate

Elimia tenera silicified fossiliferous chalcedony

Fossil Shark Tooth

Carcharocles or Lamniformes (order)

Petrified Wood

Silicified Wood (SiO2)

Coral Fossil (Scleractinia)

Scleractinia (Order), primarily CaCO3 (Aragonite or Calcite)

Rugose Coral (Horn Coral) Fossil in Limestone

Order Rugosa (commonly Grewingkia or Zaphrentis genus)

Fossilized Shark Tooth

Carcharocles sp. or Striatolamia sp. (Phosphate/Carbonate mineralized Hydroxyapatite)

Petrified Wood

Silicified Wood (primarily Chalcedony or Quartz, SiO2)

Petrified Wood

Silicified Wood (SiO2)

Fossiliferous Limestone

Fossiliferous Calclutite / Bio-calcarenite (CaCO3)

Fossil Coral (Rugose Coral Fragment)

Rugosa (extinct order of solitary and colonial corals)

Fossilized gastropod shell

Calcitic or aragonitic gastropod fossil; likely Mollusca, Gastropoda

Fossilized shell or bone fragment

Indeterminate biogenic calcite or apatite fossil

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with Biogenic Inclusions

Fossiliferous Limestone

Carbonate Sedimentary Rock (primarily CaCO3)

Limestone with Fossil Fragments

Bioclastic Carbonate Rock (CaCO3)

Crinoid Stem Fossil (in matrix)

Crinoid (Class Crinoidea)