Rock Identifier

Category

Sedimentary (Fossilized Organic Remains)

Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Fossilized Organic Remains) in the encyclopedia

Sapropel

Petrified Wood

Bituminous Shale

Bituminous Shale

Black Shale

Amber

Conglomerate

Jet

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Oil Shale

Kambaba Jasper

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Chert (Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (often called Flint in archaeological contexts) (Silicon Dioxide (SiO2)) — sedimentary

Chert (often called Flint in archaeological contexts)

Silicon Dioxide (SiO2)

Banded Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

Chert (Green variety) (Microcrystalline Opaline/Quartz (SiO2)) — sedimentary

Chert (Green variety)

Microcrystalline Opaline/Quartz (SiO2)

Chert (Flint Nodules) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Flint Nodules)

Chert (Microcrystalline Quartz, SiO2)

Chert (specifically a nodule with Chalcendony/Agate banding) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically a nodule with Chalcendony/Agate banding)

Microcrystalline Quartz (SiO2)

Chert (and Jasper/Flint variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (and Jasper/Flint variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert Pebble (Jasper/Quartz variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble (Jasper/Quartz variety)

Microcrystalline Quartz (SiO2)

Chert (Green variety) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Green variety)

Cryptocrystalline Quartz (SiO2)

Chert (River Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Chert (River Pebble)

Silicon Dioxide (SiO2)

Chert (Flint variety) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline Silica (SiO2)

Chert (White-Grey variety) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (White-Grey variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Red Chert (Jasper) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Chert (Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (Quartz Variety) (Chert (SiO2)) — sedimentary

Chert (Quartz Variety)

Chert (SiO2)

Chert (Flint variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (White Chert/Flint) (Chert (SiO2)) — sedimentary

Chert (White Chert/Flint)

Chert (SiO2)

Chert (Gravel) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Gravel)

Microcrystalline Quartz (SiO2)

Chert (specifically Red Chert / Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Red Chert / Flint)

Silicon Dioxide (SiO2)

Chert (varieties include Jasper or Flint) (Chert (Microcrystalline Silica, formula: SiO2)) — sedimentary

Chert (varieties include Jasper or Flint)

Chert (Microcrystalline Silica, formula: SiO2)

Chert (Brecciated River Cobble) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Brecciated River Cobble)

Silicon Dioxide (SiO2)

Chert with Crinoid Fossil Impression (Microcrystalline Quartz (SiO2) with Crinoidea fossil impression) — sedimentary

Chert with Crinoid Fossil Impression

Microcrystalline Quartz (SiO2) with Crinoidea fossil impression

Chert (Quartz) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (Quartz)

Microcrystalline Silica (SiO2)

Banded Chert (River Stone/Cobble) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (River Stone/Cobble)

Microcrystalline Quartz (SiO2)

Chert (with Lichen) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Lichen)

Microcrystalline Quartz (SiO2)

Red Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Red Chert (Jasper)

Silicon Dioxide (SiO2)

Chert (variations include Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variations include Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (often called Flint or Jasper when pigmented) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint or Jasper when pigmented)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (specifically Flint or Common Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Common Chert)

Silicon Dioxide (SiO2)

Chert (with Quartz veins) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Quartz veins)

Microcrystalline Quartz (SiO2)

Fossilized Coral (Petrified Coral) (Lithostrotionella (example genus) / Scleractinia) — fossil

Fossilized Coral (Petrified Coral)

Lithostrotionella (example genus) / Scleractinia

Fossiliferous Limestone (Calcium Carbonate (CaCO3) with Bioclasts) — sedimentary

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with Bioclasts

Sandstone Pebble (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone Pebble

Sedimentary Rock (Quartzose Sandstone)

Chalk (Calcium Carbonate (CaCO3)) — sedimentary

Chalk

Calcium Carbonate (CaCO3)

Sandstone (Limonitic/Arkose) (Sandstone (primarily SiO2 with FeO(OH)·nH2O)) — sedimentary

Sandstone (Limonitic/Arkose)

Sandstone (primarily SiO2 with FeO(OH)·nH2O)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Chert (Quartz Variety) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (Quartz Variety)

Microcrystalline Silica (SiO2)

Fossilized Shark Tooth (Megalodon or Carcharocles species fragment) (Otodus megalodon / Carcharocles spp. (Apatite / Calcium Phosphate)) — fossil

Fossilized Shark Tooth (Megalodon or Carcharocles species fragment)

Otodus megalodon / Carcharocles spp. (Apatite / Calcium Phosphate)

Amber (Succinite (approximate formula C10H16O)) — mineral

Amber

Succinite (approximate formula C10H16O)