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

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert (Jasper variety)

Silicon dioxide (SiO2)

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

Pyrite (Iron Disulfide (FeS2)) — Mineral

Pyrite

Iron Disulfide (FeS2)

Fossilized Nut / Coprolite / Concretion (Trace Fossil / Permineralized Plant Material) — fossil

Fossilized Nut / Coprolite / Concretion

Trace Fossil / Permineralized Plant Material

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

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

Banded Flint (Chert)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Fossilized Dinosaur Bone (Perineralized Bone (Fluorapatite/Quartz replacement)) — fossil

Fossilized Dinosaur Bone

Perineralized Bone (Fluorapatite/Quartz replacement)

Fossil / Permineralized Bone (Tyrannosaurus rex fossil (Hydroxylapatite replaced by various minerals)) — sedimentary

Fossil / Permineralized Bone

Tyrannosaurus rex fossil (Hydroxylapatite replaced by various minerals)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Fossilized Gastropod Shell (Gastropoda (Class) replacement / internal cast (steinkern)) — fossil

Fossilized Gastropod Shell

Gastropoda (Class) replacement / internal cast (steinkern)

Coprolite (Coprolite) — sedimentary

Coprolite

Coprolite

Chert (or Flint) (Chert (a cryptocrystalline variety of quartz, SiO2)) — sedimentary

Chert (or Flint)

Chert (a cryptocrystalline variety of quartz, SiO2)

Pyrite (Fool's Gold) in Matrix (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold) in Matrix

Iron Disulfide (FeS2)

Fossilized Tooth (Vertebrate Fossilized Tooth (Mineralized Biogenic Material)) — fossil

Fossilized Tooth

Vertebrate Fossilized Tooth (Mineralized Biogenic Material)

Chert (Silicon dioxide (SiO2)) — sedimentary

Chert

Silicon dioxide (SiO2)

Possible flint or slag fragment (Microcrystalline quartz (chalcedony), or iron-rich industrial slag) — mineral

Possible flint or slag fragment

Microcrystalline quartz (chalcedony), or iron-rich industrial slag

Galena (Lead(II) sulfide (PbS)) — mineral

Galena

Lead(II) sulfide (PbS)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Fossil Bone Fragment (Petrified bone (permineralized hydroxyapatite)) — fossil

Fossil Bone Fragment

Petrified bone (permineralized hydroxyapatite)

Starfish Fossil (Asteroidea fossil) — fossil

Starfish Fossil

Asteroidea fossil

Celestine (or Celestite) (Strontium sulfate (SrSO4)) — mineral

Celestine (or Celestite)

Strontium sulfate (SrSO4)

Celestite (Celestine) (Strontium sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Bivalve Fossil (Clam Fossil) (Class Bivalvia (likely Gryphaea or similar Order)) — fossil

Bivalve Fossil (Clam Fossil)

Class Bivalvia (likely Gryphaea or similar Order)

Fossilized Brachiopod (Phylum Brachiopoda) — fossil

Fossilized Brachiopod

Phylum Brachiopoda

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

Quartz (Jasper / Chert)

Silicon Dioxide (SiO2)

Calamites (Fossil) (Calamites sp. (Tracheophyta, Equisetopsida)) — sedimentary

Calamites (Fossil)

Calamites sp. (Tracheophyta, Equisetopsida)

Fossilized Shark Tooth (Sand Tiger) (Carcharias taurus (fossil specimen)) — sedimentary

Fossilized Shark Tooth (Sand Tiger)

Carcharias taurus (fossil specimen)

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

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

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

Jasper

Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)

Fossilized Echinoid (Sea Urchin) or Brachiopod (Echinoidea / Invertebrate Fossil) — fossil

Fossilized Echinoid (Sea Urchin) or Brachiopod

Echinoidea / Invertebrate Fossil

Fossil Shell (Brachiopod or Mollusk fossil) — fossil

Fossil Shell

Brachiopod or Mollusk fossil

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Fossilized Coprolite (Coprolite (fossilized feces)) — sedimentary

Fossilized Coprolite

Coprolite (fossilized feces)

Sphalerite (Zinc Sulfide (Zn,Fe)S) — mineral

Sphalerite

Zinc Sulfide (Zn,Fe)S

Chert (or Flint) (Chert (microcrystalline or cryptocrystalline quartz, SiO2)) — Sedimentary

Chert (or Flint)

Chert (microcrystalline or cryptocrystalline quartz, SiO2)

Gastropod Fossil (Class Gastropoda (fossilized)) — fossil

Gastropod Fossil

Class Gastropoda (fossilized)

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

Flint

SiO2 (Microcrystalline Quartz / Chert)

Pyrite (Fool's Gold) in Matrix (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold) in Matrix

Iron Disulfide (FeS2)

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

Chalcedony (Chert/Flint)

Silicon Dioxide (SiO2)