Fossiliferous Limestone
Fossiliferous Limestone (containing bioclasts)
Category
Browse sedimentary specimens identified by the Rock Identifier community.
Fossiliferous Limestone
Fossiliferous Limestone (containing bioclasts)
Sandstone
Arenite (composed primarily of SiO2, or Silicon Dioxide)
Chert (Yellow/Tan Variety)
Chert (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone
Arenite (composed primarily of SiO2)
Crushed Limestone (Gravel)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Limestone (with potential fossil inclusions)
Calcium Carbonate (CaCO3)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (SiO2 principal)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
Limestone
Limestone (CaCO3)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Zebra Jasper
Silicon Dioxide (SiO2) with impurities
Sandstone (with potential iron-oxide staining)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone (Brecciated/Recrystallized)
Calcium Carbonate (CaCO3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite
Limestone (Grey and White specimens)
Calcium Carbonate (CaCO3)
Sandstone (with potentially metamorphic or basaltic bands)
Arenite / Lithic Wacke
Sandstone (specifically Flagstone)
Arenite (primarily composed of SiO2)
Limestone
Calcium Carbonate (CaCO3)
Bauxite
Al2O3·2H2O (principally composed of gibbsite, boehmite, and diaspore)
Sandstone with Foliose Lichen
Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone with Liesegang Rings
Arenite with Iron Oxide Concretions
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Druzy Quartz Geode (Partially Open)
Silicon Dioxide (SiO2) within Sedimentary Host Rock
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Limestone with Calcite Veining
Calcium Carbonate (CaCO3) - Biogenic/Chemical Sedimentary Rock