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

Sandstone (likely Arkose or Lithic) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (likely Arkose or Lithic)

Clastic sedimentary rock (primarily SiO2)

Likely porphyritic granite or granitic pegmatite fragment (Quartz–feldspar–mica granitoid; exact identification requires testing) — igneous

Likely porphyritic granite or granitic pegmatite fragment

Quartz–feldspar–mica granitoid; exact identification requires testing

K-feldspar Granite / Red Granite Fragment (Alkali feldspar granite (Plutonic igneous rock)) — igneous

K-feldspar Granite / Red Granite Fragment

Alkali feldspar granite (Plutonic igneous rock)

Sandstone with Iron Oxide Concretions (Quartzose Sandstone with Limonite/Hematite) — sedimentary

Sandstone with Iron Oxide Concretions

Quartzose Sandstone with Limonite/Hematite

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Crushed Stone / Gravel (Aggregate (mixed lithology)) — sedimentary

Crushed Stone / Gravel

Aggregate (mixed lithology)

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

Coquina

Biogenic Limestone (Calcium Carbonate, CaCO3)

Coquina (Bioclastic Limestone) — sedimentary

Coquina

Bioclastic Limestone

Sandstone (Ferruginous) (Sandstone (primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Sandstone (primarily SiO2 with Iron Oxide cement)

Chalky limestone (Micritic limestone, primarily calcite (CaCO₃)) — sedimentary

Chalky limestone

Micritic limestone, primarily calcite (CaCO₃)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Weathered fossiliferous limestone or fossil fragment (Indeterminate bioclastic carbonate rock; likely calcite (CaCO₃) with fossil shell material) — fossil

Weathered fossiliferous limestone or fossil fragment

Indeterminate bioclastic carbonate rock; likely calcite (CaCO₃) with fossil shell material

Carnelian and Mixed Agates (Cryptocrystalline Quartz (SiO2 with Iron Oxide impurities)) — mineral

Carnelian and Mixed Agates

Cryptocrystalline Quartz (SiO2 with Iron Oxide impurities)

Olivine-rich Basalt with Peridotite Xenoliths (Porphyritic Basalt containing Dunite/Peridotite (Mg,Fe)2SiO4) — igneous

Olivine-rich Basalt with Peridotite Xenoliths

Porphyritic Basalt containing Dunite/Peridotite (Mg,Fe)2SiO4

Fossiliferous Limestone (Calcium Carbonate (CaCO3) with fossil inclusions) — sedimentary

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with fossil inclusions

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Sedimentary rock composed mainly of calcium carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary rock composed mainly of calcium carbonate (CaCO3)

Sandstone (Sedimentary Rock (Quartz arenite/Arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite/Arkose)

Fossiliferous Limestone (Biogenic Sedimentary Rock (Calcium Carbonate with Fossils)) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock (Calcium Carbonate with Fossils)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Limestone with Fossil Fragments (Bioclastic Carbonate Rock (CaCO3)) — sedimentary

Limestone with Fossil Fragments

Bioclastic Carbonate Rock (CaCO3)

Sandstone (Arenite (Quartz Sandstone)) — sedimentary

Sandstone

Arenite (Quartz Sandstone)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Jasper Breccia (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Jasper Breccia

Silicon Dioxide (SiO2) with iron inclusions

Conglomerate (Conglomeratic Sandstone) — sedimentary

Conglomerate

Conglomeratic Sandstone

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Peridotite (Peridotite (composed largely of Olivine and Pyroxene)) — igneous

Peridotite

Peridotite (composed largely of Olivine and Pyroxene)

Peridotite (Peridotite (composed largely of Olivine (Mg,Fe)2SiO4 and Pyroxene)) — igneous

Peridotite

Peridotite (composed largely of Olivine (Mg,Fe)2SiO4 and Pyroxene)

Sandstone (Arenite (SiO2 dominant)) — sedimentary

Sandstone

Arenite (SiO2 dominant)

Sandstone pebble (Sandstone (SiO2 with iron oxides)) — sedimentary

Sandstone pebble

Sandstone (SiO2 with iron oxides)

Chalcedony (Agate / Quartz Geode Fragment) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Quartz Geode Fragment)

Silicon Dioxide (SiO2)

Sandstone (Pebble) (Sandstone) — sedimentary

Sandstone (Pebble)

Sandstone

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)