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 (Iron-stained) (Chert (SiO2)) — sedimentary

Chert (Iron-stained)

Chert (SiO2)

Chert (specifically Jasper or Flint variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Jasper or Flint variant)

Silicon Dioxide (SiO2)

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

Chert / Flint

Chert (Silicon Dioxide, SiO2)

Chert (Yellow Jasper/Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

Chert (Arrowhead Preform or Flake) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead Preform or Flake)

Microcrystalline Quartz (SiO2)

Chert (Yellow Jasper/Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

Chert (Yellow Jasper/Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

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

Chert (variant Flint or Jasper)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (specifically Flint or Jasper variant) (Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)

Chert (Jasper/Flint variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2)

Chert (Iron-stained) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (with Limestone matrix) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Limestone matrix)

Microcrystalline Quartz (SiO2)

Chert (Blue-Gray Chert) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Blue-Gray Chert)

Microcrystalline quartz (SiO2)

Chert (Jasper/Ironstone variety) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Chert (Jasper/Ironstone variety)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Jasper/Quartzite Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Quartzite Pebble)

Silicon Dioxide (SiO2)

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

Yellow Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Amber (Black) (Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)) — Mineraloid

Amber (Black)

Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)

Amber (Rough) (Amber (Fossilized Tree Resin, succinite)) — mineral

Amber (Rough)

Amber (Fossilized Tree Resin, succinite)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Amber (Succinite) — Organic Mineral

Amber

Succinite

Organic Mineral

Banded Chert with Quartz Veining (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert with Quartz Veining

Microcrystalline Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Banded Chert (Flint)

Silicon Dioxide (SiO2)

Chert (often called Jasper or River Siltstone) (Chert (SiO2)) — sedimentary

Chert (often called Jasper or River Siltstone)

Chert (SiO2)

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

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

Amber (Succinite (C10H16O)) — Mineraloid

Amber

Succinite (C10H16O)

Mookaite Jasper (Silicified Radiolarite (SiO2 with iron impurities)) — sedimentary

Mookaite Jasper

Silicified Radiolarite (SiO2 with iron impurities)

Gastropod Fossil (Class Gastropoda (fossilized)) — fossil

Gastropod Fossil

Class Gastropoda (fossilized)

Chert (Chert (Silica: SiO2)) — sedimentary

Chert

Chert (Silica: SiO2)

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Amber (Cherry or Red variety) (Succinite (with various trace amounts of organic compounds)) — Organic Gemstone (not a rock)

Amber (Cherry or Red variety)

Succinite (with various trace amounts of organic compounds)

Organic Gemstone (not a rock)

Fossilized Coral (Petoskey Stone or Tabulate Coral) (Scleractinia or Tabulata (CaCO3 - Calcium Carbonate)) — fossil

Fossilized Coral (Petoskey Stone or Tabulate Coral)

Scleractinia or Tabulata (CaCO3 - Calcium Carbonate)

Mosasaur Tooth Fossil (Mosasauridae (likely Prognathodon or Plioplatecarpus)) — fossil

Mosasaur Tooth Fossil

Mosasauridae (likely Prognathodon or Plioplatecarpus)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone Boulder (Sedimentary Rock (Calcium Carbonate, CaCO3)) — sedimentary

Limestone Boulder

Sedimentary Rock (Calcium Carbonate, CaCO3)

Banded Chert (Silicon dioxide (SiO2) with impurities) — sedimentary

Banded Chert

Silicon dioxide (SiO2) with impurities

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Chert (Field Stone) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Field Stone)

Silicon Dioxide (SiO2)

Chert (Jasper/Basalt River Pebble) (Silicon Dioxide (SiO2) or Microcrystalline Quartz) — sedimentary

Chert (Jasper/Basalt River Pebble)

Silicon Dioxide (SiO2) or Microcrystalline Quartz

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

Chert (Flint)

Microcrystalline Quartz (SiO2)