Chert / Flint Jasper
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary rock specimens identified by the Rock Identifier community.
Chert / Flint Jasper
Microcrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Banded Chert / Jasper
Silicon Dioxide (SiO2)
Bivalve Fossil (Clam Shell)
Class Bivalvia
Amber
Fossilized Tree Resin
Calcite
Calcium Carbonate (CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Banded Sandstone (Beach Pebble)
Quartz Arenite Sandstone
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate mix)
Microcrystalline Quartz (SiO2)
Chert (Red Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Commonly called Jasper or Flint)
Chert (SiO2)
Sandstone (with potentially high Feldspar/Arkose content)
Clastic sedimentary rock (SiO2 dominated)
River Pebble (Siltstone / Fine Sandstone)
Sedimentary Rock (siliciclastic clastic rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Shale or Siltstone
Fine-grained siliciclastic sedimentary rock
Petrified Wood
Silicified Wood (SiO2)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
Quartz-veined Sandstone
Sedimentary rock with quartz vein (SiO2)
Coal
Coal (Sedimentary Rock / Organic Rock)
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
Coal (Bituminous / Anthracite)
Organic Sedimentary Rock (Carbonaceous Rock)
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (specifically Banded Sandstone)
Clastic sedimentary rock (primarily SiO2)
Red Sandstone Pebble
Sedimentary quartz sandstone
Weathered rock fragment (likely granite or quartz-rich sandstone)
Uncertain; possible granitic fragment containing quartz and feldspar
Quartz Vein in Sandstone
Quartz (SiO2) in Clastic Sedimentary Rock
Shale
Shale (Lutite)
Sandstone (River Cobble / Pebble)
Sedimentary Rock (Quartz Sandstone / Arenite)
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
Conglomerate (Red Sandstone variety)
Clastic Sedimentary Rock (Conglomeratic Sandstone)
Silty Shale
Silty Shale (Fissile Sedimentary Rock)
Shale (Ferruginous)
Laminated Mudrock (Siliciclastic Sedimentary Rock)
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
Weathered Sandstone
Quartz Arenite / Clastic Sedimentary Rock
River Pebble (Granitic Sandstone)
Clastic sedimentary rock (Lithic Arenite)