Sandstone (Graywacke type)
Clastic Sedimentary Rock (Lithic Sandstone)
Category
Browse sedimentary or igneous fragment specimens identified by the Rock Identifier community.
Sandstone (Graywacke type)
Clastic Sedimentary Rock (Lithic Sandstone)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 major component)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Chert (and/or Chalcedony)
Silicon dioxide (SiO2)
Ironstone Concretion (Moqui Marble variety)
Ferruginous Sandstone Concretion
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Greywacke (River/Beach Pebble)
Greywacke (Impure Sandstone)
Greywacke (River Pebble with Quartz Veins)
Greywacke (Indurated Sandstone); Veins: SiO2 (Quartz)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Jasper Conglomerate
Jasper-clast Conglomerate (SiO2)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone (Ferruginous)
Arenite with Iron Oxide staining (Fe2O3)
Sandstone
Arenite (SiO2 based with various cements)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Stream-rounded Cobble)
Arenite (composed primarily of SiO2, Silica)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone (Quartzose Pebble)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Weathered)
Arenite (primarily SiO2)
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
Ferruginous Sandstone
Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Weathered Coastal Boulder)
Arenite (composed primarily of SiO2)
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
Sandstone (specifically Flagstone)
Arenite (primarily composed of SiO2)
Red Sandstone Pebble
Arenite (primarily Quartz SiO2 with Hematite Fe2O3 staining)
Sandstone
Arenite (primarily SiO2, silica)
Sandstone with Foliose Lichen
Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)
Basalt
Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)
Basalt
Mafic Volcanic Rock
Coquina
Coquina (Bioclastic Calcarenite)
Red Sandstone
Arenite (high iron oxide content)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Oolitic Limestone
Oolitic Limestone (CaCO3)
Sandstone (Grooved/Weathered)
Arenite (composed primarily of Quartz and Lithic fragments)
Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Sandstone
Arenite (primarily Quartz, SiO2)