Rock Identifier

Category

Sedimentary (Fossiliferous)

Browse sedimentary (fossiliferous) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Fossiliferous) in the encyclopedia

Fossiliferous Limestone

Fossiliferous Limestone

Shelly Limestone

Shelly Limestone

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Chert (with Fossiliferous Silicification) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (with Fossiliferous Silicification)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Fossiliferous Limestone (Murchisonia/Gastropod Limestone) (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone (Murchisonia/Gastropod Limestone)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Weathered limestone (Limestone; predominantly calcite (CaCO₃)) — sedimentary

Weathered limestone

Limestone; predominantly calcite (CaCO₃)

Fossiliferous Limestone Pebble (Sedimentary Rock (CaCO3)) — sedimentary

Fossiliferous Limestone Pebble

Sedimentary Rock (CaCO3)

Calligraphy Stone (Fossiliferous Limestone (containing Hematite and Shells)) — sedimentary

Calligraphy Stone

Fossiliferous Limestone (containing Hematite and Shells)

Weathered fossil-bearing limestone (Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or brecciated) — sedimentary

Weathered fossil-bearing limestone

Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or brecciated

Fossilized Oyster Shell (Limestone/Coquina) (Crassostrea (Fossilized Bivalve), Calcium Carbonate (CaCO3)) — sedimentary

Fossilized Oyster Shell (Limestone/Coquina)

Crassostrea (Fossilized Bivalve), Calcium Carbonate (CaCO3)

Fossiliferous limestone (Bioclastic carbonate rock, chiefly calcite (CaCO₃), containing fossil fragments—possibly coral or bryozoan) — fossil

Fossiliferous limestone

Bioclastic carbonate rock, chiefly calcite (CaCO₃), containing fossil fragments—possibly coral or bryozoan

Light-colored limestone fragment (Limestone, predominantly calcite (CaCO₃), possibly micritic or fossiliferous) — sedimentary

Light-colored limestone fragment

Limestone, predominantly calcite (CaCO₃), possibly micritic or fossiliferous

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Polished fossil-bearing limestone (Fossiliferous micritic limestone, likely containing gastropod or ammonoid fragments) — fossil

Polished fossil-bearing limestone

Fossiliferous micritic limestone, likely containing gastropod or ammonoid fragments

Fossil-bearing limestone (Bioclastic limestone, likely containing a brachiopod or bivalve imprint) — fossil

Fossil-bearing limestone

Bioclastic limestone, likely containing a brachiopod or bivalve imprint

Calcite-rich limestone (Limestone, predominantly calcium carbonate (CaCO₃), usually calcite) — sedimentary

Calcite-rich limestone

Limestone, predominantly calcium carbonate (CaCO₃), usually calcite

White limestone or chalky carbonate rock (Calcite-rich limestone; possibly chalk (CaCO₃)) — sedimentary

White limestone or chalky carbonate rock

Calcite-rich limestone; possibly chalk (CaCO₃)

Turritella Agate (Fossiliferous Chert) (Silicified Elimia tenera (Fossiliferous Chalcedony)) — sedimentary

Turritella Agate (Fossiliferous Chert)

Silicified Elimia tenera (Fossiliferous Chalcedony)

Fossiliferous Limestone Pebble (Calcium Carbonate (CaCO3) with Biogenic Inclusions) — sedimentary

Fossiliferous Limestone Pebble

Calcium Carbonate (CaCO3) with Biogenic Inclusions

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Weathered sandstone or fine-grained sedimentary rock (Quartz-rich sandstone, possibly arkose or lithic sandstone) — sedimentary

Weathered sandstone or fine-grained sedimentary rock

Quartz-rich sandstone, possibly arkose or lithic sandstone

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Tumbled fossiliferous limestone (likely fossiliferous marble) (Fossiliferous limestone, composed mainly of calcite (CaCO₃); the pale circular fossils appear to be shell or crinoid fragments) — sedimentary

Tumbled fossiliferous limestone (likely fossiliferous marble)

Fossiliferous limestone, composed mainly of calcite (CaCO₃); the pale circular fossils appear to be shell or crinoid fragments

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Fossiliferous Limestone (Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)) — fossil

Fossiliferous Limestone

Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)

Fossiliferous limestone, likely containing a large bivalve or gastropod fossil (Calcite-rich limestone (CaCO₃) with molluscan bioclast) — sedimentary

Fossiliferous limestone, likely containing a large bivalve or gastropod fossil

Calcite-rich limestone (CaCO₃) with molluscan bioclast

Chert with Fossil inclusions (Microcrystalline Quartz (SiO2) with biogenic inclusions) — sedimentary

Chert with Fossil inclusions

Microcrystalline Quartz (SiO2) with biogenic inclusions

Fossil Shell in Sedimentary Matrix (Bivalvia (fossil) in Calcium Carbonate Matrix) — sedimentary

Fossil Shell in Sedimentary Matrix

Bivalvia (fossil) in Calcium Carbonate Matrix

Mookaite Jasper (Silicified Radiolarite (SiO2)) — sedimentary

Mookaite Jasper

Silicified Radiolarite (SiO2)

Fossil shell fragment (Indeterminate molluscan bioclast, likely aragonite or calcite) — fossil

Fossil shell fragment

Indeterminate molluscan bioclast, likely aragonite or calcite

Weathered limestone (Calcite-rich carbonate rock (mostly CaCO₃)) — sedimentary

Weathered limestone

Calcite-rich carbonate rock (mostly CaCO₃)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Vesicular Limestone with Borings (Fossiliferous Calcarenite (Calcium Carbonate, CaCO3)) — sedimentary

Vesicular Limestone with Borings

Fossiliferous Calcarenite (Calcium Carbonate, CaCO3)

Pitted Limestone with Honeycomb Weathering (Karst-weathered fossiliferous limestone (CaCO3)) — sedimentary

Pitted Limestone with Honeycomb Weathering

Karst-weathered fossiliferous limestone (CaCO3)

Fossiliferous Chert or Agate (Microcrystalline quartz (SiO2) with fossiliferous inclusions) — sedimentary

Fossiliferous Chert or Agate

Microcrystalline quartz (SiO2) with fossiliferous inclusions

Sandstone (likely Fossiliferous) (Arenite / Fossiliferous Sandstone (SiO2 composition)) — sedimentary

Sandstone (likely Fossiliferous)

Arenite / Fossiliferous Sandstone (SiO2 composition)

Script Jasper (Cryptocrystalline Quartz (SiO2) with fossiliferous inclusions) — sedimentary

Script Jasper

Cryptocrystalline Quartz (SiO2) with fossiliferous inclusions

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Light-colored weathered rock fragment (Likely limestone or calcareous sandstone; exact identification is uncertain from the photograph) — sedimentary

Light-colored weathered rock fragment

Likely limestone or calcareous sandstone; exact identification is uncertain from the photograph

Limestone Pebble with Crinoid Fossil (Calcium Carbonate (CaCO3) - Fossiliferous Limestone) — sedimentary

Limestone Pebble with Crinoid Fossil

Calcium Carbonate (CaCO3) - Fossiliferous Limestone

Limestone (Sedimentary Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Limestone

Sedimentary Limestone (Calcium Carbonate, CaCO3)