Rock Identifier

Category

Sedimentary Or Igneous Fragment

Browse sedimentary or igneous fragment specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Igneous Fragment in the encyclopedia

Breccia

Fossiliferous Limestone

Fossiliferous Limestone

Oregon Opal

Orendite

Orthoclase

Orca Agate

Orange Opal

Peacock Ore

Orange Garnet

Orange Obsidian

Orange Calcite

Orange Tourmaline

Orange Tourmaline

Red Sandstone with Reduction Spot (Quartzose Sandstone with a Leach/Reduction Spot) — sedimentary

Red Sandstone with Reduction Spot

Quartzose Sandstone with a Leach/Reduction Spot

Chert (Arrowhead/Artifact Fragment) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead/Artifact Fragment)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Oolite (Ooids) (Oolitic Limestone (Principal mineral: Calcite, CaCO3)) — sedimentary

Oolite (Ooids)

Oolitic Limestone (Principal mineral: Calcite, CaCO3)

Oolitic Limestone (Oolite (CaCO3)) — sedimentary

Oolitic Limestone

Oolite (CaCO3)

Oolitic Limestone (Oolite (Sedimentary rock composed of CaCO3)) — sedimentary

Oolitic Limestone

Oolite (Sedimentary rock composed of CaCO3)

Fossiliferous Sandstone / Mudstone (Sedimentary Rock (Clastic with Fossiliferous Inclusions)) — sedimentary

Fossiliferous Sandstone / Mudstone

Sedimentary Rock (Clastic with Fossiliferous Inclusions)

Quartz pebble (Quartztite fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz pebble (Quartztite fragment)

Silicon Dioxide (SiO2)

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

Chert (Jasper/Chalcedony)

Microcrystalline Quartz (SiO2)

Fossiliferous Limestone (Carbonate sedimentary rock (CaCO3)) — sedimentary

Fossiliferous Limestone

Carbonate sedimentary rock (CaCO3)

Coquina Limestone (Coquina (Biogenic Limestone)) — sedimentary

Coquina Limestone

Coquina (Biogenic Limestone)

Jasper and Quartz Breccia (Silica breccia (SiO2)) — sedimentary

Jasper and Quartz Breccia

Silica breccia (SiO2)

Red Jasper (Brecciated Jasper) (SiO2 (Silicon Dioxide) with Ferric Iron inclusions) — sedimentary

Red Jasper (Brecciated Jasper)

SiO2 (Silicon Dioxide) with Ferric Iron inclusions

Fossil Shell Fragment (possibly Brachiopod or Bivalve) (Calcium Carbonate (CaCO3) - Phylum Brachiopoda or Mollusca) — sedimentary

Fossil Shell Fragment (possibly Brachiopod or Bivalve)

Calcium Carbonate (CaCO3) - Phylum Brachiopoda or Mollusca

Breccia (Clastic Breccia) — sedimentary

Breccia

Clastic Breccia

River Stone (Limestone) (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

River Stone (Limestone)

Sedimentary Calcium Carbonate (CaCO3)

Fossiliferous Limestone (Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)

Conglomerate (Conglomeratic Sandstone) — sedimentary

Conglomerate

Conglomeratic Sandstone

Jasper Breccia (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper Breccia

Silicon Dioxide (SiO2) with impurities

Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Red jasper (Jasper (microcrystalline quartz, SiO₂), iron-oxide-rich variety) — mineral

Red jasper

Jasper (microcrystalline quartz, SiO₂), iron-oxide-rich variety

Fossiliferous Sandstone (with Quartz patch) (Sedimentary Sandstone with Silicified Shell Fragments) — sedimentary

Fossiliferous Sandstone (with Quartz patch)

Sedimentary Sandstone with Silicified Shell Fragments

River Cobble (Sandstone / Greywacke) (Sedimentary Rock (predominantly Quartz, Feldspar, Lithic fragments)) — sedimentary

River Cobble (Sandstone / Greywacke)

Sedimentary Rock (predominantly Quartz, Feldspar, Lithic fragments)

Conglomerate (Clastic Sedimentary Rock (Puddingstone)) — sedimentary

Conglomerate

Clastic Sedimentary Rock (Puddingstone)

Sandstone (Arenite (SiO2 dominant)) — sedimentary

Sandstone

Arenite (SiO2 dominant)

Coquina (Biogenic Limestone (Calcium Carbonate - CaCO3)) — sedimentary

Coquina

Biogenic Limestone (Calcium Carbonate - CaCO3)

Conglomerate (Conglomerate (Sedimentary rock containing rounded clasts)) — sedimentary

Conglomerate

Conglomerate (Sedimentary rock containing rounded clasts)

Fossiliferous Limestone (CaCO3 (with biological inclusions)) — sedimentary

Fossiliferous Limestone

CaCO3 (with biological inclusions)

Sandstone (with man-made markings) (Arenite (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone (with man-made markings)

Arenite (composed primarily of Quartz, SiO2)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Agate (Geode nodule fragment) (Chalcedony (cryptocrystalline variety of Quartz), SiO2) — mineral

Agate (Geode nodule fragment)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Brecciated Jasper (Silicon Dioxide (SiO2) with mineral impurities) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with mineral impurities

Calcareous Tufa / Limestone Fragment (Calcium Carbonate (CaCO3)) — sedimentary

Calcareous Tufa / Limestone Fragment

Calcium Carbonate (CaCO3)

Fossilized Megalodon Tooth Fragment (Otodus megalodon (Carcharocles megalodon fossil)) — sedimentary

Fossilized Megalodon Tooth Fragment

Otodus megalodon (Carcharocles megalodon fossil)

Sandstone (Arenite (SiO2 dominant)) — sedimentary

Sandstone

Arenite (SiO2 dominant)

Gravel and Sand Aggregate (Unconsolidated Clastic Sediment) — sedimentary

Gravel and Sand Aggregate

Unconsolidated Clastic Sediment

Fossiliferous Limestone (Bioclastic Limestone (composition: CaCO3)) — sedimentary

Fossiliferous Limestone

Bioclastic Limestone (composition: CaCO3)

Concretion (Various mineral compositions, typically carbonate or iron oxide cemented sediment) — Sedimentary

Concretion

Various mineral compositions, typically carbonate or iron oxide cemented sediment

Conglomerate (Polymictic Conglomerate) — sedimentary

Conglomerate

Polymictic Conglomerate

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chalcedony Geode Fragment (Botryoidal) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Chalcedony Geode Fragment (Botryoidal)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz