Rock Identifier

Category

Man Made Rock (Technosol)

Browse man made rock (technosol) specimens identified by the Rock Identifier community.

Learn about Man Made Rock (Technosol) in the encyclopedia

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Map Jasper

Goldstone

Anorthosite

Gondite

Dunite

Gravel / Small Pebble (Rock Fragment (Gravel)) — sedimentary

Gravel / Small Pebble

Rock Fragment (Gravel)

Sandstone (Arenite (Sedimentary rock composed of sand-sized grains)) — sedimentary

Sandstone

Arenite (Sedimentary rock composed of sand-sized grains)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Quartz Vein in Host Rock (Crystalline Silicon Dioxide (SiO2) in Pelitic or Shaly Matrix) — metamorphic

Quartz Vein in Host Rock

Crystalline Silicon Dioxide (SiO2) in Pelitic or Shaly Matrix

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Plutonic Igneous Rock) — igneous

Granite

Plutonic Igneous Rock

Wishing Stone (Veined Pebble) (Quartz-veined Metasedimentary Pebble) — metamorphic

Wishing Stone (Veined Pebble)

Quartz-veined Metasedimentary Pebble

Quartz Crystal (specifically a Double-Terminated variety) (Silicon Dioxide (SiO2) - Low Quartz) — mineral

Quartz Crystal (specifically a Double-Terminated variety)

Silicon Dioxide (SiO2) - Low Quartz

Brecciated Jasper or Chert (SiO2) — Sedimentary/Metamorphic

Brecciated Jasper or Chert

SiO2

Sedimentary/Metamorphic

Kimberlite (Ultramafic igneous rock) — igneous

Kimberlite

Ultramafic igneous rock

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Weathered Basalt with Iron Staining (Mafic Igneous Rock) — igneous

Weathered Basalt with Iron Staining

Mafic Igneous Rock

Vesicular Basalt (Mafic Igneous Rock) — igneous

Vesicular Basalt

Mafic Igneous Rock

Concretion (Sedimentary Concretion) — sedimentary

Concretion

Sedimentary Concretion

Generic Rock / Pebble (Undetermined rock specimen) — sedimentary

Generic Rock / Pebble

Undetermined rock specimen

Lava Rock Substrate (Scoria (Basaltic Rock)) — igneous

Lava Rock Substrate

Scoria (Basaltic Rock)

Sandstone (Sandstone (SiO2-rich clastic sedimentary rock)) — sedimentary

Sandstone

Sandstone (SiO2-rich clastic sedimentary rock)

Unakite (Unakite (Epidotized Granite)) — metamorphic

Unakite

Unakite (Epidotized Granite)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Granite with Quartz Vein (Granite) — Igneous

Granite with Quartz Vein

Granite

Probable weathered basalt or andesite (Fine-grained mafic to intermediate volcanic rock; commonly plagioclase ± pyroxene, amphibole, and iron oxides) — igneous

Probable weathered basalt or andesite

Fine-grained mafic to intermediate volcanic rock; commonly plagioclase ± pyroxene, amphibole, and iron oxides

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Gneiss (Gneiss (Metamorphic rock)) — metamorphic

Gneiss

Gneiss (Metamorphic rock)

Jasper and Epidote Breccia (Silicified Brecciated Rock with Epidote) — metamorphic

Jasper and Epidote Breccia

Silicified Brecciated Rock with Epidote

River Rock (Basalt) (Aphanitic Basaltic Rock) — igneous

River Rock (Basalt)

Aphanitic Basaltic Rock

Basalt (Basalt) — igneous

Basalt

Basalt

Unakite (Epidote-Feldspar rock) — Metamorphic Rock

Unakite

Epidote-Feldspar rock

Metamorphic Rock

Iron-rich brown stone, possibly weathered chert or ironstone (Undetermined; likely iron-oxide-bearing silica-rich rock (chert/ironstone)) — sedimentary

Iron-rich brown stone, possibly weathered chert or ironstone

Undetermined; likely iron-oxide-bearing silica-rich rock (chert/ironstone)

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Granite (Granite (Plutonic Igneous Rock)) — igneous

Granite

Granite (Plutonic Igneous Rock)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Mixed River Pebbles and Rock Collection (Polymictic lithic conglomerate, sandstone, and quartz pebbles) — sedimentary

Mixed River Pebbles and Rock Collection

Polymictic lithic conglomerate, sandstone, and quartz pebbles

Copper-bearing Quartz Vein in Host Rock (Quartz with Malachite/Chrysocolla staining) — igneous/metamorphic with mineral

Copper-bearing Quartz Vein in Host Rock

Quartz with Malachite/Chrysocolla staining

igneous/metamorphic with mineral

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock