Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Category
Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.
Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Sandstone (Weathered Pebble)
Arenite (composed primarily of SiO2)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Sandstone
Sandstone (clastic sedimentary rock, composed predominantly of sand-sized minerals or rock fragments)
Granite
Granite (composed primarily of Quartz SiO2 and Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8))
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 based)
Sandstone (lithic/greywacke variant)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Sandstone (with Concretion)
Arenite / Quartzose Sandstone
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Greywacke (River Pebble with Quartz Veins)
Greywacke (Indurated Sandstone); Veins: SiO2 (Quartz)
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Ferruginous Sandstone (SiO2 with iron oxide cement)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Sandstone (likely Ferruginous)
Arenite (SiO2 based with Fe2O3/FeO(OH) cement)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (likely Fossiliferous Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Gneiss
Gneiss
Gneiss
Gneiss (High-grade metamorphic rock)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzite texture)
Arenite (SiO2 secondary)
Granite (Weathered)
Course-grained Intrusive Igneous Rock
Sandstone (Ferruginous)
Ferruginous Sandstone (SiO2 with Fe2O3/FeO(OH) cement)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Ferruginous Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Gneiss
Gneissic Metamorphic Rock
Quartzite
Quartzite (SiO2)
Sandstone
Quartz Arenite (a type of sandstone composed of more than 90% quartz)
Puddingstone (Jasper-Conglomerate)
Conglomerate (Silicon Dioxide, SiO2 with impurities)
Wonderstone (Banded Rhyolite)
Rhyolite (Silicon Dioxide with Iron Oxide impurities)
Sandstone (Quartzose Sandstone)
Arenite (SiO2)
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
Sandstone with Quartz Vein
Arenite with SiO2 intrusion
Granite
Plutonic felsic rock (Quartz, Feldspar, Mica)