Rock Identifier

Category

Sedimentary (With Some Aspects Of Mineral Replacement)

Browse sedimentary (with some aspects of mineral replacement) specimens identified by the Rock Identifier community.

Learn about Sedimentary (With Some Aspects Of Mineral Replacement) in the encyclopedia

Coal

Claystone

Shale

Marl

Black Shale

Rock Salt

Super Seven

Anatase

Limestone

Siltstone

Pisolite

Serpentine

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Hematite (Iron Ore) (Hematite (Fe2O3)) — mineral

Hematite (Iron Ore)

Hematite (Fe2O3)

Fossilized Shark Tooth (Elasmobranchii (various species, possibly Carcharias or Odontaspis)) — fossil

Fossilized Shark Tooth

Elasmobranchii (various species, possibly Carcharias or Odontaspis)

Shale (with minor calcite veining) (Clastic sedimentary rock (primarily clay minerals and quartz)) — sedimentary

Shale (with minor calcite veining)

Clastic sedimentary rock (primarily clay minerals and quartz)

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Quartz Veinated Sandstone or Siltstone (Silicon Dioxide (SiO2) within a clastic sedimentary matrix) — sedimentary

Quartz Veinated Sandstone or Siltstone

Silicon Dioxide (SiO2) within a clastic sedimentary matrix

Sandstone Concretion (Clastic Sedimentary Rock (primarily SiO2 with mineral cement)) — sedimentary

Sandstone Concretion

Clastic Sedimentary Rock (primarily SiO2 with mineral cement)

Unidentified weathered rock fragments (Likely mixed silicate rocks; specific identification requires testing) — mineral

Unidentified weathered rock fragments

Likely mixed silicate rocks; specific identification requires testing

Sandstone (Sandstone (Sedimentary rock composed of silicate grains)) — sedimentary

Sandstone

Sandstone (Sedimentary rock composed of silicate grains)

Chert (variously Flints) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (variously Flints)

Microcrystalline Quartz (SiO2)

Ironstone Concretion (Limonite/Goethite) (Goethite/Limonite concretion (FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Limonite/Goethite)

Goethite/Limonite concretion (FeO(OH)·nH2O)

Sandstone (Ferruginous Concretion) (Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement) — sedimentary

Sandstone (Ferruginous Concretion)

Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement

Gneiss (Granitic Gneiss) (Gneiss) — metamorphic

Gneiss (Granitic Gneiss)

Gneiss

Chert (Lithic flake / Arrowhead fragment) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Lithic flake / Arrowhead fragment)

Microcrystalline Quartz (SiO2)

Sandstone (Arenite (Sedimentary rock composed of sand-sized grains)) — sedimentary

Sandstone

Arenite (Sedimentary rock composed of sand-sized grains)

Chert (Common Opal/Jasper transition) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal/Jasper transition)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Black Sand (Magnetite Sand) (Magnetite-rich Placers (Fe3O4)) — sedimentary

Black Sand (Magnetite Sand)

Magnetite-rich Placers (Fe3O4)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Flint (Microcrystalline quartz (SiO2)) — sedimentary

Flint

Microcrystalline quartz (SiO2)

Flint (SiO2 (Microcrystalline Quartz)) — sedimentary

Flint

SiO2 (Microcrystalline Quartz)

Flint (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Flint

Silicon dioxide (SiO2) - Microcrystalline Quartz

Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Flint / Chert

Silicon dioxide (SiO2) - Microcrystalline Quartz

Chert (Common Opal/Chalcedony nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Common Opal/Chalcedony nodule)

Microcrystalline Quartz (SiO2)

Chert Pebble (Jasper or Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble (Jasper or Agate variety)

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Silicon Dioxide (SiO2)

Chert Nodule (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Chert Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble

Microcrystalline Quartz (SiO2)

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

Chalcedony (Chert/Flint variety)

Silicon Dioxide (SiO2)

Flint (within Limestone matrix) (Silicon dioxide (SiO2)) — sedimentary

Flint (within Limestone matrix)

Silicon dioxide (SiO2)

Yellow Chert (Jasper) (Chalcedony (SiO2) with iron oxide inclusions) — sedimentary

Yellow Chert (Jasper)

Chalcedony (SiO2) with iron oxide inclusions

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

Chert / Jasper

Microcrystalline Quartz (SiO2)

Red Jasper (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2)

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Sandstone Concretion (Arenaceous concretion (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone Concretion

Arenaceous concretion (primarily SiO2 with Fe2O3 staining)

Sandstone (Arkose) (Arkose Sandstone (SiO2 with KAlSi3O8)) — sedimentary

Sandstone (Arkose)

Arkose Sandstone (SiO2 with KAlSi3O8)

Fossil Rugose Coral (Horn Coral) (Order Rugosa (likely Grewingkia or Heliophyllum species); Calcium Carbonate (CaCO3)) — sedimentary

Fossil Rugose Coral (Horn Coral)

Order Rugosa (likely Grewingkia or Heliophyllum species); Calcium Carbonate (CaCO3)

Goniatite Fossil (Order Goniatitida) — fossil

Goniatite Fossil

Order Goniatitida

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities