Igneous And Fossil

Limestone with Gastropod Fossil

Sedimentary Calcium Carbonate (CaCO3) with Gastropoda inclusion

Fossiliferous Limestone Pebble

Calcite-rich Fossiliferous Marine Limestone

Fossiliferous Limestone with Rugose Coral

Lithostrotionella (Limestone Matrix - CaCO3)

Fossiliferous Limestone / Coral Fossil

Fossiliferous Limestone with Anthozoa (Coral) fossil

Petrified Wood / Fossilized Bone

Silicified / Mineralized Fossil (Silica SiO2)

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with marine fossils

Fossiliferous Flint

Microcrystalline Quartz (SiO2) with Echinoid Fossil

Rounded granitic cobble

Granite, composed mainly of quartz, potassium feldspar, plagioclase, and mica

Likely limestone or calcareous fossil fragment

Calcite-rich carbonate rock; possibly bioclastic limestone (CaCO₃)

Fossilized Shark Tooth (Fragment)

Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)

Fossiliferous Limestone

Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)

Likely fossiliferous limestone or dolostone

Micritic limestone, chiefly calcite (CaCO₃), possibly dolomitized; apparent fossil or stylolitic markings

Limestone with Fossil Inclusion

Calcium Carbonate (CaCO3)

Likely polished/tumbled fossil shell or concretion

Indeterminate; possibly a fossil bivalve or gastropod in mineralized matrix

Coral Skeleton (Scleractinia)

Aragonite (CaCO3) biomineralisation within Anthozoa

Fossilized Shark Tooth

Chondrichthyes (Class)

Porrphyritic pink granite (weathered)

Granite, commonly composed of quartz, alkali feldspar, plagioclase, and biotite/hornblende

Rounded dark volcanic rock, likely basalt

Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, with possible olivine

Fossiliferous limestone

Calcitic limestone, predominantly CaCO₃ (calcite), with possible shell or coral fossils

Knightia Fossil in Limestone

Knightia eocaena in micritic limestone

Fossil-bearing limestone

Bioclastic limestone, chiefly calcite (CaCO₃), with embedded bivalve or brachiopod fossils

Sandstone concretion

Arenite sedimentary rock (concretion/nodule)

Fossil coral or stromatoporoid fragment

Likely fossilized colonial coral; exact taxon indeterminate from image

Polished fossiliferous limestone, possibly ammonite-bearing

Calcite-rich limestone (CaCO₃), with fossil shell material

Fossiliferous Limestone

Biogenic Sedimentary Rock / CaCO3 with fossil fragments

Fossilized Shark Tooth

Otodus sp. (approximate genus) / Hydroxyapatite fossil

Dinosaur Claw (Dromaeosaurid)

Dromaeosaurid ungual (potential Deinonychus or Velociraptorine)

Orthoceras Fossil in Limestone

Orthoceras regulare

Calcite rosette (possibly fossilized shell fragment)

Calcite, CaCO₃; crystal habit appears botryoidal/rosette-like

Kambaba Jasper

Stromatolite (Fossilized Algae)

Polished septarian nodule

Calcite–aragonite–barite septarian concretion, commonly in a claystone or limestone matrix

Fossil scallop shell

Pectinid bivalve fossil; likely a scallop (family Pectinidae), exact genus/species uncertain

Fossil fish impression/cast (likely small ray-finned fish)

Unidentified Actinopterygii; possibly a fish fossil in laminated shale

Sandstone Pebbles

Arenite

Sandstone

Arenite

Sandstone

Clastic Sedimentary Rock

Sandstone

Arenite (SiO2 predominantly)

Weathered pink granite

Granite, chiefly quartz, feldspar, and mica

Fossiliferous limestone

Bioclastic limestone, chiefly calcite (CaCO₃), with fossil shell fragments

Stromatolite

Biogenic sedimentary rock / Stromatolite

Fossiliferous shale or slate with plant impressions

Carbonaceous mudstone/shale; possible fossil plant material (often fern-like impressions)

Fossilized Shark Tooth

Elasmobranchii (fossilized matrix/root section)