Shale with Iron Staining
Fissile Mudrock (Sedimentary Rock)
Category
Browse sedimentary (imitation) specimens identified by the Rock Identifier community.
Shale with Iron Staining
Fissile Mudrock (Sedimentary Rock)
Shale (with Iron Staining)
Argillaceous mudstone / Shale
Sandstone (Ferruginous)
Arenite (Fe-oxide cemented)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide cement)
Shale
Fissile Mudstone
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
Pyrite in Shale
Iron Disulfide (FeS2)
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
Weathered sandstone fragment
Quartz-rich sandstone (compositionally uncertain)
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Weathered Sandstone or Siltstone
Sedimentary Rock
Breccia
Sedimentary Breccia
Sandstone
Sedimentary Arenite
Concretion
Sedimentary Concretion
Conglomerate
Sedimentary Conglomerate
Conglomerate
Sedimentary Conglomerate
Conglomerate
Sedimentary Conglomerate
Breccia Pebble
Sedimentary Breccia
Sandstone Concretion
Sedimentary concretion
Sandstone or Limestone
Sedimentary Rock
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Sandstone Pebble
Sandstone (primarily Quartz, SiO2)
Quartzite Sandstone / Quartz Sandstone
Quartz Sandstone (SiO2 with minor mineral impurities)
Shale or Mudstone
Argillaceous sedimentary rock
Banded sandstone pebble
Quartz-rich sandstone, likely iron-oxide- and organic/mineral-stained; exact variety uncertain
Brachiopod Fossil in Limestone
Phylum Brachiopoda (likely Order Spiriferida), CaCO3 (Calcite)
Shale with Trace Fossils
Fissile mudrock (Shale)
Shale
Shale (clastic sedimentary rock)
Sandstone
Arenite
Shale
Shale (Lutite)
Shale
Fissile mudstone (rich in clay minerals and quartz)
Shale
Fissile mudrock (composed primarily of clay minerals and quartz)
Sandstone Anvil / Nutting Stone
Quartzose Sandstone (Sedimentary Rock)
Quartz, Sandstone, and Siltstone specimens
Silicon Dioxide (SiO2) and Clastic Sedimentary Rocks
Fossiliferous Sedimentary Rock
Sedimentary Rock with Invertebrate Fossil Imprint
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Sedimentary Breccia
Clastic Breccia (CaCO3/SiO2 matrix)
Pyrite
Iron Sulfide (FeS2)
Jasper (Chert / Chalcedony)
Silicon Dioxide (SiO2) with Iron Oxide inclusions