Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Category
Browse sedimentary specimens identified by the Rock Identifier community.
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Sandstone (with potential iron-oxide weathering)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
Green Chert
Silicon Dioxide (SiO2)
Concretion
Various mineral compositions, typically carbonate or iron oxide cemented sediment
Sandstone (Pebble)
Arenite
Limestone (likely weathered)
Limestone (Mainly Calcium Carbonate, CaCO3)
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclastic inclusions
Sandstone
Arenite (SiO2 principal component)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Fossiliferous Limestone with Coral Imprint
Fossiliferous Limestone (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Ferruginous Sandstone Pebble
Arenite with Iron Oxide matrix
Shale
Fissile Mudstone (primarily composed of clay minerals and quartz)
Sandstone (likely Quartzose Sandstone pebble)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide Fe2O3 cement)
Sandstone (Ferruginous)
Arenite (variable SiO2 with Fe2O3 staining)
Sandstone
Arenite (SiO2 principal component)
Limestone
Calcium Carbonate (CaCO3)
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Sandstone (Quartzose Sandstone Pebble)
Arenite (primarily SiO2)
Sandstone
Arenite
Limestone
Calcium Carbonate (CaCO3)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 stained)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Sandstone (mainly SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily Quartz Arenite)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (primarily SiO2 with Fe2O3)
Sandstone (Muddy/Silty Variety)
Arenite with high silt/clay content (clastic sedimentary rock)
Sandstone
Arenite (primarily SiO2)
Fossiliferous Shale
Laminated Mudrock with plant fossils