Sandstone
Arenite (SiO2 dominant)
Category
Browse anthropogenic (man made material mimicking sedimentary rock) specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 dominant)
Sandstone (lithic wake or graywacke)
Clastic sedimentary rock (primarily quartz and lithic fragments)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Shale
Shale (Consolidated fine-grained clay/silt)
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Shale with Trace Fossils
Fissile mudrock (Shale)
Sandstone (Limonitic/Iron-stained)
Sandstone (containing Quartz, SiO2, and Limonite, FeO(OH)·nH2O)
Picture Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (SiO2 principal)
Sandstone
Arenite (SiO2 primarily)
Jasper
Silicon dioxide (SiO2) with impurities
Red Sandstone
Ferruginous Sandstone (SiO2 with Fe2O3)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone
Arenite (Sandstone)
Chert (Holey Stone)
Microcrystalline Quartz (SiO2)
Sandstone
Clastic sedimentary rock
Fossiliferous Limestone
Bioclastic Limestone (Calcium Carbonate, CaCO3)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Petrified Wood
Silicified wood (SiO2)
Sandstone
Sedimentary Rock (Quartzose Sandstone)
Chert / Flint
Microcrystalline quartz (SiO2)
Red Sandstone
Arenite (SiO2 with Fe2O3)
Conglomerate
Sedimentary Conglomerate
Sandstone Pebble
Arenite
Banded chert or flint pebble
Microcrystalline quartz (SiO₂), likely chert with a pale weathered/altered zone
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with potential iron-oxide weathering)
Arenite (SiO2 based)
Sandstone
Arenite (composed primarily of SiO2)
Conglomerate
Conglomerate
Chert (Flint)
Microcrystalline Quartz (SiO2)
Red Sandstone
Quartzose Sandstone (primarily quartz grains cemented by iron oxides)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
Sandstone (Pebble)
Sandstone
Sandstone Pebble
Arenite (SiO2 based)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Fossilized Shell
Invertebrate fossil (Bivalvia or Brachiopoda)
Asphalt (Aggregate)
Bituminous macadam / Concrete Aggregate