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 (Sedimentary Rock) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Sedimentary Rock)

Silicon Dioxide (SiO2)

Fossilized Shark Tooth (Partial) (Elasmobranchii (fossil tooth fragment)) — sedimentary

Fossilized Shark Tooth (Partial)

Elasmobranchii (fossil tooth fragment)

Flint / Chert Nodule (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert Nodule

Microcrystalline quartz (SiO2)

Possible fossilized bone fragment (Fossil bone, composition primarily carbonate-hydroxylapatite [Ca₅(PO₄)₃(OH)]) — fossil

Possible fossilized bone fragment

Fossil bone, composition primarily carbonate-hydroxylapatite [Ca₅(PO₄)₃(OH)]

Amber (Succinite (approximate formula C10H16O)) — mineral

Amber

Succinite (approximate formula C10H16O)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

Amber (Succinite (specifically for Baltic amber); approximate formula C10H16O) — organic mineraloid

Amber

Succinite (specifically for Baltic amber); approximate formula C10H16O

organic mineraloid

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

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Limestone with Stylolites (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone with Stylolites

Calcareous sedimentary rock (CaCO3)

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (varietal: Flint/Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (varietal: Flint/Jasper)

Silicon Dioxide (SiO2)

Fossiliferous Limestone (Coquina) (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone (Coquina)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Amber (Succinite (organic gemstone, approx. C10H16O)) — fossil

Amber

Succinite (organic gemstone, approx. C10H16O)

Chert (variations include Flint) (Sedimentary cryptocrystalline quartz (SiO2)) — sedimentary

Chert (variations include Flint)

Sedimentary cryptocrystalline quartz (SiO2)

Petrified Wood (Silicified wood (Quartz/Chalcedony)) — Sedimentary

Petrified Wood

Silicified wood (Quartz/Chalcedony)

Chert (Brown Variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Brown Variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

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

Chert (Black Chert / Flint)

Silicon Dioxide (SiO2)

Fossilized leaf or plant impression in shale (Carbonized/impressed plant fossil, likely in fine-grained shale or mudstone; exact taxon indeterminate from the image) — fossil

Fossilized leaf or plant impression in shale

Carbonized/impressed plant fossil, likely in fine-grained shale or mudstone; exact taxon indeterminate from the image

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Chert (Flint variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

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

Chert (White Chert or Flint)

Microcrystalline Quartz (SiO2)

Chert (Green variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Green variety)

Silicon Dioxide (SiO2)

Amber (Succinite (Fossilized Tree Resin)) — gemstone

Amber

Succinite (Fossilized Tree Resin)

Limestone (containing Fossil Mold) (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone (containing Fossil Mold)

Sedimentary Calcium Carbonate (CaCO3)

Yellow Chert (River Stone) (Chert (SiO2)) — sedimentary

Yellow Chert (River Stone)

Chert (SiO2)

Amber and Tumbled Stones (Fossilized Tree Resin (Succinite)) — fossil

Amber and Tumbled Stones

Fossilized Tree Resin (Succinite)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Brecciated Jasper / Fossiliferous Jasper Egg (Cryptocrystalline Quartz (SiO2) with iron oxides and mineral inclusions) — sedimentary

Brecciated Jasper / Fossiliferous Jasper Egg

Cryptocrystalline Quartz (SiO2) with iron oxides and mineral inclusions

Mookaite Jasper (Radiolarite (Silica-rich sedimentary rock featuring Hematite and Goethite)) — sedimentary

Mookaite Jasper

Radiolarite (Silica-rich sedimentary rock featuring Hematite and Goethite)

Fossiliferous Limestone (Limestone (Calcium Carbonate) with Fossil Inclusions) — sedimentary

Fossiliferous Limestone

Limestone (Calcium Carbonate) with Fossil Inclusions

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Banded Chert (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert

Silicon Dioxide (SiO2)

Chert (Flint Nodules) (Silicon dioxide (SiO2)) — sedimentary

Chert (Flint Nodules)

Silicon dioxide (SiO2)

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

Chert / River Cobble

Microcrystalline Quartz (SiO2)

Chert (often called Jasper or Flint) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (often called Jasper or Flint)

Microcrystalline Silica (SiO2)

Chert (variously known as Flint) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (variously known as Flint)

Microcrystalline quartz (SiO2)

Chert (Flint) (Chert (SiO2)) — sedimentary

Chert (Flint)

Chert (SiO2)

Chert (with Limestone matrix) (Silicon dioxide (SiO2)) — sedimentary

Chert (with Limestone matrix)

Silicon dioxide (SiO2)