Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Sandstone
Arenite (composed mainly of SiO2)
Sedimentary rock with quartz veining
Laminated siltstone or mudstone with hydrothermal quartz veins
Pumice
Pumice (Amorphous volcanic glass)
Sandstone (specifically Banded Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with secondary weathering/concretion)
Arenite (composed primarily of Quartz, SiO2)
River Rocks (Basalt and Sedimentary Stones)
Mafic Igneous Rock (Basalt) and Clastic Sedimentary Rock
Sandstone (Banded Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with iron oxide impurities)
Sandstone (likely Calcareous or Micaceous)
Clastic sedimentary rock (primarily Quartz with Cementing Agents)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide cement)
Shale
Fissile Mudstone
Quartz Vein in Siltstone
Siltstone with Quartz (SiO2) inclusion
Fossil Bivalve Shell
Class Bivalvia (e.g., Veneriidae family)
Sandstone (Ferruginous)
Arenite (with Iron Oxide)
Sandstone
Arenite
Sandstone
Arenite (SiO2 based with quartz grains)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
Metaconglomerate
Protolith: Conglomerate (comprising SiO2, Al2O3, etc.)
Limestone
Sedimentary Calcite (CaCO3)
Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Quartz Geode
Silicon Dioxide (SiO2) within a geode
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 stained)
Sandstone
Arenite (SiO2 based)
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Limestone (with potential fossil inclusions)
Calcium Carbonate (CaCO3)
Limestone (Grey and White specimens)
Calcium Carbonate (CaCO3)
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix
Sandstone (Quartzose)
Arenite (primarily SiO2)
River Pebble (Gravel)
Clastic sedimentary rock (likely Siltstone or Mudstone pebble; SiO2 with various impurities)
Limestone
Limestone (Calcium Carbonate: CaCO3)
Sandstone (likely Arkosic)
Arenite (SiO2 with KAlSi3O8)