Rock Identifier

Category

Anthropogenic Sedimentary (Technolith)

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

Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

sedimentary
Chert (Arrowhead/Projectile Point) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Arrowhead/Projectile Point)

Microcrystalline quartz (SiO2)

sedimentary
Asphalt (Bituminous Pavement Bit) (Bitumen-bound aggregate (Petrochemical-bound composite)) — sedimentary (anthropogenic/technogenic)

Asphalt (Bituminous Pavement Bit)

Bitumen-bound aggregate (Petrochemical-bound composite)

sedimentary (anthropogenic/technogenic)
Sandstone (likely Fossilized Wood or Concrete Simulacrum) (Arenite / Silicified Wood / Anthropogenic Concrete) — sedimentary

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

sedimentary
Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

sedimentary
Chert (Arrowhead or Flake) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Arrowhead or Flake)

Microcrystalline quartz (SiO2)

sedimentary
Chert (often called Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (often called Flint)

Chert (Microcrystalline Quartz, SiO2)

sedimentary
Chert Arrowhead (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline Quartz (SiO2)

sedimentary
Chert (Arrowhead Fragment) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Arrowhead Fragment)

Silicon Dioxide (SiO2)

sedimentary
Sea Glass (Man-made silicate glass) — sedimentary

Sea Glass

Man-made silicate glass

sedimentary
Chert (Yellow Jasper) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper)

Cryptocrystalline Quartz (SiO2)

sedimentary
Chert (Arrowhead/Tool variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead/Tool variety)

Microcrystalline Quartz (SiO2)

sedimentary
Painted River Rock (Artificially Coated Sedimentary Rock) — sedimentary

Painted River Rock

Artificially Coated Sedimentary Rock

sedimentary
Chert Arrowhead (Lithic Artifact) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead (Lithic Artifact)

Microcrystalline Quartz (SiO2)

sedimentary
Conglomerate (Asphaltic/Anthropogenic) (Clastic sedimentary rock / Bituminous mixture) — sedimentary

Conglomerate (Asphaltic/Anthropogenic)

Clastic sedimentary rock / Bituminous mixture

sedimentary
Chert (Arrowhead Fragment) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead Fragment)

Microcrystalline Quartz (SiO2)

sedimentary
Asphalt (Bituminous Concrete) (Bituminous mix / Anthropogenic conglomerate) — man-made composite (lithified equivalent of sedimentary)

Asphalt (Bituminous Concrete)

Bituminous mix / Anthropogenic conglomerate

man-made composite (lithified equivalent of sedimentary)
Chert (specifically Flint Arrowhead) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (specifically Flint Arrowhead)

Silicon dioxide (SiO2) - Microcrystalline Quartz

sedimentary
Chert Arrowhead (Projectile Point) (Microcrystalline Quartz (Chert or Flint)) — sedimentary

Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (Chert or Flint)

sedimentary
Chert (Arrowhead/Projectile Point) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead/Projectile Point)

Cryptocrystalline Quartz (SiO2)

sedimentary
Chert (Arrowhead variety) (Chert (SiO2)) — sedimentary

Chert (Arrowhead variety)

Chert (SiO2)

sedimentary
Concrete-like aggregate surface with embedded rock fragments (Anthropogenic concrete or exposed aggregate; not a natural rock specimen) — sedimentary

Concrete-like aggregate surface with embedded rock fragments

Anthropogenic concrete or exposed aggregate; not a natural rock specimen

sedimentary
Painted River Pebble (likely Basalt or Greywacke) (Aphanitic Lithic Clast with Anthropogenic Pigment coating) — Sedimentary or Igneous

Painted River Pebble (likely Basalt or Greywacke)

Aphanitic Lithic Clast with Anthropogenic Pigment coating

Sedimentary or Igneous
Concrete (Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)) — sedimentary (artificial)

Concrete

Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)

sedimentary (artificial)
Chert Arrowhead (Cryptocrystalline microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline microcrystalline Quartz (SiO2)

sedimentary
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag) (Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)) — sedimentary

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)

Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)

sedimentary
Fired Clay Brick (Anthropic Rock substitute) (Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)) — metamorphic (man-made / anthropic)

Fired Clay Brick (Anthropic Rock substitute)

Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)

metamorphic (man-made / anthropic)
Grooved Maun Ball (Maul/Hammerstone-like Concretion) (Calcareous/Ferruginous Concretion in Sandstone Matrix) — sedimentary

Grooved Maun Ball (Maul/Hammerstone-like Concretion)

Calcareous/Ferruginous Concretion in Sandstone Matrix

sedimentary
Conglomeratic gravel / polymictic breccia (Polymictic rudite, likely anthropogenic or beach/stream gravel; composition varies) — sedimentary

Conglomeratic gravel / polymictic breccia

Polymictic rudite, likely anthropogenic or beach/stream gravel; composition varies

sedimentary
Asphalt (Bituminous Concrete) (Asphaltum / Bitumen-Aggregate Matrix) — Technonatural composite (often containing sedimentary/igneous aggregate)

Asphalt (Bituminous Concrete)

Asphaltum / Bitumen-Aggregate Matrix

Technonatural composite (often containing sedimentary/igneous aggregate)
Asphalt (Bituminous pavement) (Bituminous concrete / Asphalt) — Sedimentary (Anthropogenic)

Asphalt (Bituminous pavement)

Bituminous concrete / Asphalt

Sedimentary (Anthropogenic)
Concrete Fragment (Hardened Portland cement and mineral aggregate) — sedimentary (anthropogenic)

Concrete Fragment

Hardened Portland cement and mineral aggregate

sedimentary (anthropogenic)
Ceramic or Polished Stone Heart (Anthropogenic Material) (Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)) — Synthetic/Anthropogenic Mineraloid

Ceramic or Polished Stone Heart (Anthropogenic Material)

Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)

Synthetic/Anthropogenic Mineraloid
Metal Chain (Likely Steel or a Steel Alloy) (Steel (primarily iron and carbon); specific alloy unknown) — Man-made Object (Metal/Alloy)

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Man-made Object (Metal/Alloy)
Sandstone-based Concrete Fragment (Cementitious Composite with Sedimentary Aggregate) — sedimentary (man-made/anthropogenic)

Sandstone-based Concrete Fragment

Cementitious Composite with Sedimentary Aggregate

sedimentary (man-made/anthropogenic)
Asphalt (Bituminous Concrete) (Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)) — not a rock (anthropogenic material/technofossil)

Asphalt (Bituminous Concrete)

Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)

not a rock (anthropogenic material/technofossil)
Painted Garden Rock (likely Granite or Limestone base) (Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3) based substrate with Acrylic/Enamel pigments) — igneous or sedimentary (anthropogenic modification)

Painted Garden Rock (likely Granite or Limestone base)

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3) based substrate with Acrylic/Enamel pigments

igneous or sedimentary (anthropogenic modification)
Concrete (Hydrated Portland Cement Aggregate Composite) — Anthropogenic Sedimentary (Man-made)

Concrete

Hydrated Portland Cement Aggregate Composite

Anthropogenic Sedimentary (Man-made)
Goldfish Cracker (Culinary Mimic) (Cibus aurum (Commonly composed of Enriched Wheat Flour and Cheddar Cheese)) — Anthropogenic Sedimentary-style Organic Solid

Goldfish Cracker (Culinary Mimic)

Cibus aurum (Commonly composed of Enriched Wheat Flour and Cheddar Cheese)

Anthropogenic Sedimentary-style Organic Solid
Terracotta (Man-made ceramic brick fragment) (Baked clay / High-iron ceramic (Silicate-based ceramic)) — Anthropogenic material (Man-made sedimentary mimic)

Terracotta (Man-made ceramic brick fragment)

Baked clay / High-iron ceramic (Silicate-based ceramic)

Anthropogenic material (Man-made sedimentary mimic)
Concrete with Aggregate (Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)) — anthropogenic (human-made) sedimentary-like material

Concrete with Aggregate

Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)

anthropogenic (human-made) sedimentary-like material
Concrete Fragment (Hardened Portland Cement Composite) — Anthropogenic (Man-made material mimicking sedimentary rock)

Concrete Fragment

Hardened Portland Cement Composite

Anthropogenic (Man-made material mimicking sedimentary rock)