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

Chert (Jasper)

Silicon dioxide (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2 permineralization)) — fossil

Petrified Wood

Silicified Wood (SiO2 permineralization)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Chert (Jasper variety) with Iron Oxide staining (Cryptocrystalline Quartz (SiO2) with Goethite/Limonite impurities) — sedimentary

Chert (Jasper variety) with Iron Oxide staining

Cryptocrystalline Quartz (SiO2) with Goethite/Limonite impurities

Chert (specifically Flint or Jasper variant) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline Quartz (SiO2)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Jasper (Silicon Dioxide (SiO2)) — sedimentary

Jasper

Silicon Dioxide (SiO2)

Flint (Silicon dioxide (Microcrystalline quartz, SiO2)) — sedimentary

Flint

Silicon dioxide (Microcrystalline quartz, SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Flint / Chert Arrowhead

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Cryptocrystalline Quartz (SiO2)

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

Flint / Chert

Microcrystalline quartz (SiO2)

Chert (Arrowhead Artifact) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead Artifact)

Microcrystalline Quartz (SiO2)

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

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Chert Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble

Microcrystalline Quartz (SiO2)

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

Flint / Chert

Silicon Dioxide (SiO2)

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

Chert Nodules

Chert (Silicon Dioxide, SiO2)

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

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

Chert (Flint) (Chert (Microcrystalline or cryptocrystalline Silica, SiO2)) — sedimentary

Chert (Flint)

Chert (Microcrystalline or cryptocrystalline Silica, SiO2)

Chert (Common Opal/Chalcedony mixture) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal/Chalcedony mixture)

Silicon Dioxide (SiO2)

Kambaba Jasper (Crocodile Jasper) (Stromatolitic Rhyolite/Jasper (SiO2)) — sedimentary

Kambaba Jasper (Crocodile Jasper)

Stromatolitic Rhyolite/Jasper (SiO2)

Red Sandstone (Sandstone (lithic arenite or arkose with iron oxide)) — sedimentary

Red Sandstone

Sandstone (lithic arenite or arkose with iron oxide)

Picture Jasper (SiO2) — mineral

Picture Jasper

SiO2

Quartz (Milky or Rough Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Rough Variety)

Silicon Dioxide (SiO2)

Likely iron-rich chert or jasper (Microcrystalline quartz (SiO₂), variably stained by iron oxides/hydroxides) — sedimentary

Likely iron-rich chert or jasper

Microcrystalline quartz (SiO₂), variably stained by iron oxides/hydroxides

Ironstone Concretion (Limonitic/Hematitic Concretion) — sedimentary

Ironstone Concretion

Limonitic/Hematitic Concretion

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

Chert (Flint)

Silicon Dioxide (SiO2)

Geode (Unopened) (Silica-rich concretion (SiO2)) — sedimentary

Geode (Unopened)

Silica-rich concretion (SiO2)

Concretion (Septarian Concretion (Clay-Ironstone Nodules)) — sedimentary

Concretion

Septarian Concretion (Clay-Ironstone Nodules)

Sandstone Concretion (Ferruginous Sandstone Concretion (SiO2 + FeO(OH))) — sedimentary

Sandstone Concretion

Ferruginous Sandstone Concretion (SiO2 + FeO(OH))

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag) (Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)) — sedimentary

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)

Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Rhodonite (Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

Garnet Gneiss (Gneiss containing almandine-pyrope garnet) — metamorphic

Garnet Gneiss

Gneiss containing almandine-pyrope garnet

Quartz-veined Sedimentary Rock (Hydrothermally veined Clastic Sedimentary Rock (SiO2 veins in Matrix)) — sedimentary

Quartz-veined Sedimentary Rock

Hydrothermally veined Clastic Sedimentary Rock (SiO2 veins in Matrix)

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

Sandstone (Ferruginous) (Arenite (with high iron oxide content)) — sedimentary

Sandstone (Ferruginous)

Arenite (with high iron oxide content)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Orthoceratid Fossil in Limestone (Orthoceras (extinct genus of Nautiloid Cephalopod)) — sedimentary

Orthoceratid Fossil in Limestone

Orthoceras (extinct genus of Nautiloid Cephalopod)

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss