carbonaceous
Containing carbon compounds
Carbonaceous means containing or composed of carbon.
The term appears most often in scientific contexts: carbonaceous rocks, carbonaceous meteorites, carbonaceous deposits.
In geology and astronomy, it describes materials rich in organic carbon compounds—carbonaceous chondrites are primitive meteorites that contain amino acids and other building blocks of life.
Highest-grade coal variety
- bituminousContaining natural tar
- ligniteLow-rank sedimentary fuel
- peatWaterlogged decomposed vegetation
- seamJoined fabric edge
coal measures · coalfield · rank · coal bed · brown coal · coal deposit · metamorphism
Crystalline carbon allotrope
- diamondCrystallized carbon gemstone
- fullereneCage-shaped carbon allotrope
- nanotubesHollow molecular cylinders
- organic matterMaterial from living sources
isotope · anthracite · humic · soot · char · coke · carbonized
Formed from deposited material
- shaleCompacted clay sediment
- mudstoneCompacted clay and silt rock
- chertFine-grained siliceous stone
- limestoneCarbonate sedimentary rock
marlstone · oil shale · stratigraphy · fossilization · anoxic
Burned wood residue
- firewoodCut logs for burning
- kindlingMaterial for starting fires
- embersSmoldering fire remnants
- pyrolysisHeat-driven molecular breakdown
ignition · charring · smoldering · flame · calorific · burnable · oxidation · combustible
Natural underground hydrocarbon liquid
- crude oilUnrefined fossil fuel
- natural gasSubterranean hydrocarbon fuel
- hydrocarbonsCarbon-hydrogen organic compounds
- oil shaleHydrocarbon-rich sedimentary formation
tar sands · bitumen · methane · source rock · reservoir · maturation · sequestration · petrochemical
Meteorite containing round grains
- asteroidSun-orbiting rocky mass
- meteoriteSpace debris reaching Earth
- presolar grainsParticles predating our star
- interstellarBetween celestial bodies
cosmic · primitive · solar nebula · accretion · organic compounds · amino acids · extraterrestrial · planetesimal
anthracite
Highest-grade coal variety
- bituminousContaining natural tar
- ligniteLow-rank sedimentary fuel
- peatWaterlogged decomposed vegetation
seam · coal measures · coalfield · rank · coal bed · brown coal · coal deposit · metamorphism
graphite
Crystalline carbon allotrope
- diamondCrystallized carbon gemstone
- fullereneCage-shaped carbon allotrope
- nanotubesHollow molecular cylinders
organic matter · isotope · anthracite · humic · soot · char · coke · carbonized
sedimentary
Formed from deposited material
limestone · marlstone · oil shale · stratigraphy · fossilization · anoxic
charcoal
Burned wood residue
pyrolysis · ignition · charring · smoldering · flame · calorific · burnable · oxidation · combustible · biochar
petroleum
Natural underground hydrocarbon liquid
- crude oilUnrefined fossil fuel
- natural gasSubterranean hydrocarbon fuel
- hydrocarbonsCarbon-hydrogen organic compounds
oil shale · tar sands · bitumen · methane · source rock · reservoir · maturation · sequestration · petrochemical
chondrite
Meteorite containing round grains
- asteroidSun-orbiting rocky mass
- meteoriteSpace debris reaching Earth
- presolar grainsParticles predating our star
interstellar · cosmic · primitive · solar nebula · accretion · organic compounds · amino acids · extraterrestrial · planetesimal · protoplanetary
carbonaceousmetallic
Resembling ore-based elements
iron-nickel · stony-iron · ferrous · crystalline · vitreous
carbon, carbonation, carbonate, carbonize, carbonic, carbonyl, carbons, carbonite, decarburization