Granite Pebble
Intrusive Igneous Rock
Category
Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.
Granite Pebble
Intrusive Igneous Rock
Ferruginous Sandstone
Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)
Red Sandstone
Arenite (Ferruginous Sandstone)
Shale with Siltstone layering
Sedimentary Clastic Rock (Mudstone/Shale)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone (likely Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone (likely Fossiliferous)
Arenite / Sedimentum arenaceum
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2 with minor Fe2O3)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Sandstone (Ferruginous)
Arenite (with high iron oxide content)
Sandstone (Painted)
Arenite (primarily SiO2)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Sandstone (Fluvial Pebble)
Arenite
Sandstone
Sedimentary Rock (Quartz arenite)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone (with secondary weathering/concretion)
Arenite (composed primarily of Quartz, SiO2)
Sandstone (Glauconitic)
Glauconitic Quartz Sandstone (SiO2 + (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
Sandstone (Quartz-rich)
Arenite (SiO2 based)
Gneiss
Gneiss
Sandstone (Ferruginous)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Sandstone
Clastic Sedimentary Rock
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
Sandstone
Arenite
Muscovite Mica Schist
Metamorphic Rock (Muscovite-Biotite Schist)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
Sandstone
Arenite (SiO2 based)
Quartzite
Recrystallized Silicon Dioxide (SiO2)
Silty Shale
Silty Shale (Fissile Sedimentary Rock)
Quartzite and Sandstone Pebbles
Silicon dioxide (SiO2)
Gneiss
Gneissic Metamorphic Rock
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone (Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Clastic Sedimentary Rock
Banded Gneiss
Gneiss (Metamorphic Rock)
Sandstone
Arenite (SiO2 based)
Quartzite
Quartzite (SiO2)
Sandstone (with Iron Staining)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)
Limestone
Sedimentary Calcium Carbonate (CaCO3)