Rock Identifier

Category

Sedimentary (Fossilized Organic Remain)

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

Learn about Sedimentary (Fossilized Organic Remain) in the encyclopedia

Sapropel

Petrified Wood

Bituminous Shale

Bituminous Shale

Amber

Black Shale

Conglomerate

Jet

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Oil Shale

Kambaba Jasper

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

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Banded Chert (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Sedimentary Cryptocrystalline Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Chert (and Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Chert (and Chalcedony)

Silicon Dioxide (SiO2)

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

Chert (Jasper/Flint variety)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Shale (Shale (Fine-grained clastic sedimentary rock)) — sedimentary

Shale

Shale (Fine-grained clastic sedimentary rock)

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

Chert (Nodule)

Chert (Silicon Dioxide, SiO2)

Petoskey Stone / Rugose Coral Fossil (Hexagonaria percarinata) — fossil

Petoskey Stone / Rugose Coral Fossil

Hexagonaria percarinata

Limestone with Fossil Inclusion (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone with Fossil Inclusion

Sedimentary Calcium Carbonate (CaCO3)

Coal (Bituminous / Anthracite) (Organic Sedimentary Rock (Carbonaceous Rock)) — sedimentary

Coal (Bituminous / Anthracite)

Organic Sedimentary Rock (Carbonaceous Rock)

Bituminous Coal (Organic sedimentary rock (humic coal)) — sedimentary

Bituminous Coal

Organic sedimentary rock (humic coal)

Limestone with Calcite Veining (Sedimentary Rock (Calcium Carbonate, CaCO3)) — sedimentary

Limestone with Calcite Veining

Sedimentary Rock (Calcium Carbonate, CaCO3)

Chert (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert

Cryptocrystalline Quartz (SiO2)

Coarse Sand or Fine Gravel (Detrital Sedimentary Fragments (mostly SiO2)) — sedimentary

Coarse Sand or Fine Gravel

Detrital Sedimentary Fragments (mostly SiO2)

Shark Tooth Fossil (Carcharocles megalodon or similar extinct shark tooth) — fossil

Shark Tooth Fossil

Carcharocles megalodon or similar extinct shark tooth

Fossilized Solitary Rugose Coral (Horn Coral) (Order: Rugosa (e.g., Grewingkia or Heliophyllum); composed of Calcite (CaCO3) or Silica (SiO2)) — sedimentary

Fossilized Solitary Rugose Coral (Horn Coral)

Order: Rugosa (e.g., Grewingkia or Heliophyllum); composed of Calcite (CaCO3) or Silica (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Brown Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Brown Chert

Microcrystalline Quartz (SiO2)

Fossiliferous Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Fossiliferous Limestone

Sedimentary Calcium Carbonate (CaCO3)

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

Limestone (containing Fossil Mold)

Sedimentary Calcium Carbonate (CaCO3)

Petoskey Stone (Hexagonaria percarinata) — fossil

Petoskey Stone

Hexagonaria percarinata

Fossilized Syringopora Coral (Organ Pipe Coral Fossil) (Syringopora sp. (Class Anthozoa, Order Tabulata)) — fossil

Fossilized Syringopora Coral (Organ Pipe Coral Fossil)

Syringopora sp. (Class Anthozoa, Order Tabulata)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — gemstone

Jasper

Microcrystalline Quartz (SiO2)

Shale (Shale (comprised mostly of clay minerals and quartz)) — sedimentary

Shale

Shale (comprised mostly of clay minerals and quartz)

Shale (Fissile Mudstone (Shale)) — sedimentary

Shale

Fissile Mudstone (Shale)

Shale fragment (Shale (Laminated Mudstone)) — sedimentary

Shale fragment

Shale (Laminated Mudstone)

Glauconitic Sandstone (Glauconitic Quartz Arenite (with K,Mg,Fe,Al silicate hydroxide)) — sedimentary

Glauconitic Sandstone

Glauconitic Quartz Arenite (with K,Mg,Fe,Al silicate hydroxide)

Glauconitic Sanstone (Glauconite) (Glauconite ((K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)) — sedimentary

Glauconitic Sanstone (Glauconite)

Glauconite ((K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Jasper

Microcrystalline quartz (SiO2)

Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Tumbled Red Jasper (Quartz (Microcrystalline variety of chalcedony, SiO2)) — mineral

Tumbled Red Jasper

Quartz (Microcrystalline variety of chalcedony, SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — mineral

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Jasper (Silicon dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon dioxide (Microcrystalline Quartz, SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)

Poppy Jasper (Microcrystalline Quartz (SiO2) with hematite and other inclusions) — sedimentary

Poppy Jasper

Microcrystalline Quartz (SiO2) with hematite and other inclusions

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

Chert / Flint

Silicon dioxide (SiO2)

Chert Arrowhead (Jasper) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert Arrowhead (Jasper)

Chert (Cryptocrystalline Quartz, SiO2)

Chert (Yellow Jasper variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow Jasper variant)

Silicon Dioxide (SiO2)