Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Category
Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Sandstone (Ferruginous)
Arenite (Fe-rich SiO2)
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Iron-stained)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)
Sandstone (Quartzose Sandstone Pebble)
Arenite (primarily SiO2)
Sandstone (with potentially high Feldspar/Arkose content)
Clastic sedimentary rock (SiO2 dominated)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Greywacke/Siltstone variant)
Arenite / Wacke (SiO2 with diverse mineral inclusions)
Sandstone (Quartzose)
Arenite (Formula: SiO2 primary, with various cements)
Sandstone (likely Greywacke or Lithic Sandstone)
Arenite / Wacke
Sandstone
Arenite (primarily SiO2)
Ferruginous Sandstone (with Iron Oxide staining)
Clastic Sedimentary Rock - Quartz Arenite/Wacke
Sandstone
Arenite (SiO2 based with quartz, feldspar, or lithic fragments)
Sandstone (Flagstone)
Arenite (composed primarily of SiO2)
Sandstone (with potential Quartzite characteristics)
Clastic sedimentary rock (primarily SiO2)
Sandstone Pebbles
Arenite (Sedimentary rock composed of sand-sized grains)
Banded Iron Formation (BIF)
Banded Iron Formation
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
Porphyritic Basalt (with Amygdales)
Amygdaloidal Porphyritic Basalt
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Granite
Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)
Sandstone (Ferruginous)
Arenite (iron-rich)
Sandstone
Arenite
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Greywacke (likely)
Greywacke (a type of sandstone)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock
Arkosic Sandstone
Arkose
Sandstone (likely Arkose)
Arenite (composed mainly of SiO2 with Feldspar)
Sandstone with Magnetite and Iron Staining
Clastic Sedimentary Rock (contains Fe3O4 and Limonite/Hematite)
Sandstone (Yellow/Tan Sandstone)
Arenite (primarily Quartz, SiO2)
Quartz (chalcedony variety) or Limestone with Quartz Veins
SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Vesicular Sandstone
Clastic Sedimentary Rock (Sandstone)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Granite Gneiss
Felsic Gneiss
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)