Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary rock specimens identified by the Rock Identifier community.
Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Gravel Bit)
Microcrystalline silica (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Bivalve Fossil (Clam)
Class Bivalvia (Calcium Carbonate, CaCO3)
Chert (varieties include Flint and Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (Chert Nodule in Limestone Host)
Chert (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Cryptocrystalline Silicon Dioxide, SiO2)
Chert (Jasper variation)
Silicon dioxide (SiO2)
Chert (Likely Jasper)
Microcrystalline Quartz (SiO2)
Chert (often called Jasper or River Siltstone)
Chert (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Iron-stained)
Chert (Cryptocrystalline Silica, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Jasper Conglomerate (Puddingstone)
Jasper Conglomerate (Siliceous Sedimentary Rock)
Jasper Conglomerate (specifically Puddingstone)
Jasper Conglomerate (Siliceous sedimentary rock)
Quartz Conglomerate
Quartz Conglomerate (clastic sedimentary rock)
Brachiopod Fossil
Phylum Brachiopoda (replaced by Calcite or Silica)
Chert (also known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
Chert (Light Variety)
Sedimentary cryptocrystalline quartz (SiO2)
Chert (Nodule)
Chert (Silica, SiO2)
Chert (Chert / Flint)
Silicon dioxide (SiO2) - Microcrystalline quartz
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Gray Chalcedony)
Microcrystalline Quartz (SiO2)
Silty Shale
Silty Shale (Fissile Sedimentary Rock)
Shale (Ferruginous)
Laminated Mudrock (Siliciclastic Sedimentary Rock)
Chert
Chert (variant of microcrystalline quartz)
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Sandstone
Clastic sedimentary rock (primarily SiO2)
Travertine (or Calcareous Tufa)
Calcium Carbonate (CaCO3)
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (Iron-rich)
Sandstone (with potentially high Feldspar/Arkose content)
Clastic sedimentary rock (SiO2 dominated)