Sandstone (Quartzite-rich River Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Category
Sedimentary (Biogenic)
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Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (likely Fossiliferous Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (SiO2 primary)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 dominated)
sedimentary
Shale
Shale (Argillaceous sedimentary rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Tumbled/River Pebble)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite (SiO2 dominant)
sedimentary
Sandstone
Arenite
sedimentary
Conglomerate
Conglomerate
Sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Yellow Ochre (Limonite)
Limonite (FeO(OH)·nH2O)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Jasper Pendant
Chalcedony (Quartz) - SiO2
Mineral/Sedimentary
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
metamorphic
Sandstone
Arenite
sedimentary
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
sedimentary
Conglomerate
Conglomerate (Detrital Sedimentary Rock)
sedimentary
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Chert (Flint)
Chert (Cryptocrystalline silicon dioxide, SiO2)
sedimentary
Quartz Geode in Sedimentary Matrix
Silicon Dioxide (SiO2) within a limestone/dolostone host
mineral
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Chert (Jasper)
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
River Stone (Limestone)
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Fossiliferous Limestone (Sedimentary Rock)
fossil
Conglomerate
Conglomerate (Sedimentary rock, clastic)
sedimentary
Sandstone (Ferruginous)
Clastic Sedimentary Rock (Sandstone)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone Pebble
Arenite (Clastic Sedimentary Rock)
sedimentary
Limestone River Cobble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Conglomerate (Puddingstone)
Conglomerate (Clastic Sedimentary Rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary