Rock Identifier

Category

Anthropogenic Sedimentary Style Organic Solid

Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.

Learn about Anthropogenic Sedimentary Style Organic Solid in the encyclopedia

Sapropel

Sapropel

Bituminous Shale

Bituminous Shale

Oil Shale

Oil Shale

Black Shale

Black Shale

Mica Schist with Quartz (Mica-Quartz Schist (Muscovite subclass)) — metamorphic

Mica Schist with Quartz

Mica-Quartz Schist (Muscovite subclass)

Chert (also known as Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (also known as Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Garnet Schist (Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)) — metamorphic

Garnet Schist

Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)

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

Chert (Flint)

Chert (SiO2)

Chert (Field-collected Arrowhead-shaped Fragment) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Field-collected Arrowhead-shaped Fragment)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (including Common Opal and Chalcedony) (Silicon Dioxide (SiO2 · nH2O)) — sedimentary

Chert (including Common Opal and Chalcedony)

Silicon Dioxide (SiO2 · nH2O)

Chert Pebble (Microcrystalline silica (SiO2)) — sedimentary

Chert Pebble

Microcrystalline silica (SiO2)

Chert (often called Flint in dark varieties) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint in dark varieties)

Microcrystalline or cryptocrystalline Quartz (SiO2)

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

Chert (Nodule)

Chert (Silicon dioxide, SiO2)

Chert (Tan/Grey variety) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Tan/Grey variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

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

Chert with Quartz Veining

Microcrystalline Quartz (SiO2)

Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

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

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Greenschist (Chlorite schist) — metamorphic

Greenschist

Chlorite schist

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Jasper Shard / Chert (Silicon dioxide (SiO2)) — sedimentary

Jasper Shard / Chert

Silicon dioxide (SiO2)

Chert (Nodule) (Chert (composed of Microcrystalline Silica/SiO2)) — sedimentary

Chert (Nodule)

Chert (composed of Microcrystalline Silica/SiO2)

Schist (Biotite Schist) (Biotite-bearing Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)) — metamorphic

Schist (Biotite Schist)

Biotite-bearing Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)

Yellow Chert (River Stone/Pebble) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Yellow Chert (River Stone/Pebble)

Chert (Cryptocrystalline Quartz, SiO2)

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

Chert (Jasper variety)

Silicon dioxide (SiO2) - Microcrystalline Quartz

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

Chert (Flint)

Chert (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Chert (Nodular flint) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Nodular flint)

Microcrystalline or cryptocrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Coquina or Fossilized Shell Fragment (Calcium Carbonate (CaCO3) / Biogenic Limestone) — sedimentary

Coquina or Fossilized Shell Fragment

Calcium Carbonate (CaCO3) / Biogenic Limestone

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

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

Chert (Nodular Chert)

Microcrystalline Quartz (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Chert (Flint)

Microcrystalline silica (SiO2)

Chert (Chalcedony) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Chalcedony)

Microcrystalline quartz (SiO2)

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

Chert (Nodular)

Chert (Microcrystalline Quartz, SiO2)

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

Chert (Jasper)

Silicon Dioxide (SiO2)

Chert (varieties: Flint or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (varieties: Flint or Jasper)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Flint (Chert (SiO2)) — sedimentary

Flint

Chert (SiO2)