Sandstone Cobble
Arenite (Sandstone)
Category
Browse sedimentary rock (specifically a clastic sedimentary rock formed into a cobble) specimens identified by the Rock Identifier community.
Sandstone Cobble
Arenite (Sandstone)
Sandstone
Arenite (specifically Quartz Arenite)
Sandstone Pebble
Arenite (SiO2 based)
Rounded river cobble, likely weathered sandstone or quartzite
Indeterminate clastic silicate rock; possibly quartz-rich sandstone (SiO₂-dominant)
Sandstone River Cobble
Arenite (SiO2 based)
Limestone or Sandstone Cobble
Sedimentary rock (Calcium carbonate or Quartz based)
Sandstone Cobble
Arenite (primarily Quartz Arenite)
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2 with various lithic fragments)
Sandstone (Quartzite-rich River Cobble)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Shale
Shale (clastic sedimentary rock)
Sandstone
Arenite
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 based)
Sandstone (Iron-stained)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Sandstone (likely Graywacke or Siltstone variety)
Clastic Sedimentary Rock (SiO2 with assorted mineral fragments)
Sandstone (Pebble/Cobble)
Arenite (primarily SiO2)
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone (Ferruginous)
Arenite (Fe-rich SiO2)
Sandstone (Pebble / Cobble)
Arenite / Sedimentary Rock (composed of quartz and feldspar)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Ferruginous)
Arenite (complex silicate composition with iron oxides)
River Cobble (Sandstone)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Hag Stone
Perforated Sedimentary Rock (typically Limestone or Sandstone)
Sandstone Pebble
Arenite (specifically Lithic or Quartz Arenite)
Limestone (specifically Dolomitic/Crystalline Limestone)
Sedimentary Carbonate Rock (CaCO3 / CaMg(CO3)2)
Conglomerate
Sedimentary Conglomerate
Sandstone (lithic/greywacke variety)
Arenite (composed primarily of SiO2 with various lithic fragments)
Jasper Conglomerate (specifically Puddingstone)
Jasper Conglomerate (Siliceous sedimentary rock)
Sandstone (Quartzite-rich River Cobble)
Clastic sedimentary rock (primarily SiO2)
Conglomerate
Sedimentary Conglomerate with Basaltic Clast
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
Sandstone with Iron Staining
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone (Ferruginous)
Arenite with Iron-Oxide cement
Sandstone (River Stone)
Arenite (primarily SiO2)
Sandstone (specifically an Iron-Concretion)
Arenite with Iron Oxide (Limonite/Goethite) cementation
Sandstone Pebble
Sandstone (Silicon dioxide-rich clastic sedimentary rock)