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

Bituminous Shale

Bituminous Shale

Oil Shale

Black Shale

Wishing Stone (Veined Pebble) (Quartz-veined Metasedimentary Pebble) — metamorphic

Wishing Stone (Veined Pebble)

Quartz-veined Metasedimentary Pebble

Chalcedony Agate Nodule (Silicon Dioxide (SiO2)) — mineral

Chalcedony Agate Nodule

Silicon Dioxide (SiO2)

Quartz Geode (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Crystalline Silicon Dioxide (SiO2)

Sandstone Concretion (Sandstone (Sedimentary Rock) with silica or calcite cement) — sedimentary

Sandstone Concretion

Sandstone (Sedimentary Rock) with silica or calcite cement

Banded Black Agate (Silicon Dioxide (SiO2)) — mineral

Banded Black Agate

Silicon Dioxide (SiO2)

Ambergris (Ambra grisea (Metabolic byproduct)) — Organic (Geological relative)

Ambergris

Ambra grisea (Metabolic byproduct)

Organic (Geological relative)

Conglomerate (Pebble Conglomerate) (Conglomerate) — sedimentary

Conglomerate (Pebble Conglomerate)

Conglomerate

Opal (Hydrated silica (SiO2 "NH2O)) — mineraloid

Opal

Hydrated silica (SiO2 "NH2O)

Geode or Concretion (Silica-rich Concretion or Unopened Geode (SiO2)) — sedimentary

Geode or Concretion

Silica-rich Concretion or Unopened Geode (SiO2)

Quartz Geode (Crystalline Quartz (SiO2) within a sedimentary or volcanic host) — mineral

Quartz Geode

Crystalline Quartz (SiO2) within a sedimentary or volcanic host

Petrified Wood (Silicified wood (Quartz/Chalcedony replacement of organic matter)) — fossil

Petrified Wood

Silicified wood (Quartz/Chalcedony replacement of organic matter)

Thunder Egg (Agate/Jasper filled) (Chalcedony variety Agate/Jasper in a Rhyolitic matrix) — sedimentary

Thunder Egg (Agate/Jasper filled)

Chalcedony variety Agate/Jasper in a Rhyolitic matrix

Red Jasper (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Black Onyx (Chalcedony (SiO2)) — gemstone

Black Onyx

Chalcedony (SiO2)

Quartz (Double-Terminated) (Silicon Dioxide (SiO2)) — mineral

Quartz (Double-Terminated)

Silicon Dioxide (SiO2)

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Conglomerate (Clastic sedimentary rock (Conglomerate)) — sedimentary

Conglomerate

Clastic sedimentary rock (Conglomerate)

Puddingstone (Conglomerate (Indurated)) — sedimentary

Puddingstone

Conglomerate (Indurated)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Chert Arrowhead (Cryptocrystalline microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline microcrystalline Quartz (SiO2)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Red Jasper (Silicon dioxide (SiO2) with iron inclusions) — sedimentary

Red Jasper

Silicon dioxide (SiO2) with iron inclusions

Painted River Pebble (likely Basalt or Greywacke) (Aphanitic Lithic Clast with Anthropogenic Pigment coating) — Sedimentary or Igneous

Painted River Pebble (likely Basalt or Greywacke)

Aphanitic Lithic Clast with Anthropogenic Pigment coating

Sedimentary or Igneous

Druzy Quartz on Sandstone (Silicon Dioxide (SiO2) on Sedimentary Host Rock) — mineral

Druzy Quartz on Sandstone

Silicon Dioxide (SiO2) on Sedimentary Host Rock

Chalcedony (River Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (River Agate)

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Puddingstone (Polished Pebble) (Conglomerate (Quartz-rich)) — sedimentary

Puddingstone (Polished Pebble)

Conglomerate (Quartz-rich)

Gossan (Iron Cap) (Limonitic Gossan (FeO(OH)·nH2O)) — sedimentary

Gossan (Iron Cap)

Limonitic Gossan (FeO(OH)·nH2O)

Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Leopard Skin Jasper (Orbicular Rhyolite (Silicon Dioxide with various impurities)) — sedimentary

Leopard Skin Jasper

Orbicular Rhyolite (Silicon Dioxide with various impurities)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Chalcedony (Dyed Agate and Citrine-style Quartz) (Silicon Dioxide (SiO2)) — gemstone

Chalcedony (Dyed Agate and Citrine-style Quartz)

Silicon Dioxide (SiO2)

Quartzite / Quartz Geodeoid Nodules (Silicon Dioxide (SiO2)) — metamorphic

Quartzite / Quartz Geodeoid Nodules

Silicon Dioxide (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Fancy Jasper (Chalcedony (SiO2)) — sedimentary

Fancy Jasper

Chalcedony (SiO2)

Geode Nodules / Agate Chert (Silicon Dioxide (SiO2)) — sedimentary

Geode Nodules / Agate Chert

Silicon Dioxide (SiO2)

Quartz Geode (Quartz (Silicon Dioxide, SiO2) Geode) — sedimentary

Quartz Geode

Quartz (Silicon Dioxide, SiO2) Geode

Terrazzo (Man-made Composite) (Cementitious or Resin-bound Lithic Composite) — sedimentary (artificial)

Terrazzo (Man-made Composite)

Cementitious or Resin-bound Lithic Composite

sedimentary (artificial)

Geode (Crystalline Quartz (SiO2) within a nodule) — sedimentary

Geode

Crystalline Quartz (SiO2) within a nodule