Sandstone (Calcareous Sandstone)
Calcareous Sandstone (primarily SiO2 with CaCO3 cement)
Category
Browse sedimentary specimens identified by the Rock Identifier community.
Sandstone (Calcareous Sandstone)
Calcareous Sandstone (primarily SiO2 with CaCO3 cement)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Ferruginous)
Arenite (SiO2 with Fe2O3 inclusions)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Sandstone (Quartz Arenite)
Sandstone (dominated by SiO2 quartz grains)
Sandstone (River Pebble)
Arenite
Sandstone
Arenite (primarily composed of SiO2 - Silicon Dioxide)
Ferruginous Sandstone (with possible Epidote/Chlorite coloring)
Sandstone (SiO2 dominated with Fe2O3 staining)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Ferruginous)
Sandstone (SiO2 with iron oxides)
Limonite
FeO(OH)·nH2O (Hydrated iron oxide)
Slate
Foliated Metamorphic Rock (Mainly composed of Quartz, Illite, Chlorite)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Chert (Nodule)
Microcrystalline quartz (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Ironstone with Limonite/Goethite coating
Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O)
Sandstone
Arenite
Sandstone (lithic/greywacke variant)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Limestone with Lichen/Moss
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 major component)
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone (Quartzose)
Sandstone (clastic sedimentary rock, primarily SiO2)
Mixed River Pebbles
Clastic Sedimentary Alluvial Deposit / Polymictic Conglomerate Clasts
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in sedimentary/volcanic host
Limestone with Fossil Inclusion
Calcium Carbonate (CaCO3) - Bioclastic Limestone
Sandstone (Quartzite-leaning)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily Quartz and Feldspar)
Crushed Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Quartz Sandstone
Quartz Arenite
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 composition dominant)
Crushed Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily Quartz-rich)
Sandstone (Ferruginous)
Arenite with Iron-Oxide cement