Wiktionary
n. a chondrite which contains a high level of organic matter
Wikipedia
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites represent only a small proportion (4.6%) of meteorite falls.
Some famous carbonaceous chondrites are: Allende, Murchison, Orgueil, Ivuna, Murray, Tagish Lake, and Sutter's Mill.
Usage examples of "carbonaceous chondrite".
The meteorite was of a rare type known as a carbonaceous chondrite, and the townspeople helpfully collected and brought in some two hundred pounds of it.
A swarm of Utopian asteroids was closing on her, brain clans and mining DIs living in hollowed-out chunks of carbonaceous chondrite, any one of which could have mustered enough votes to abolish Mada in all ten dimensions.
But Spencer was pretty good at rock ID, and he collected several samples that he said were exotic carbonaceous chondrite, very likely to be pieces of the impact rock.
And if you reach a C-type, a carbonaceous chondrite, full of water and organic compounds, you can do what the hell you like.
But we think it's a C-type: a carbonaceous chondrite, not nickel-iron, like Reinmuth.
Five days later they arrived at the top of the cable, and decelerated into locks inside the ballast asteroid Clarke, now a much-tunneled chunk of carbonaceous chondrite, so filigreed with exterior buildings and interior chambers that it seemed more a spaceship or a city than Mars's third moon.
A fairly abundant type of meteorite on the earth, known as carbonaceous chondrite, is thought to consist of fragments from C-type asteroids in the main belt.
I have to spend a long minute thinking how I knew what a carbonaceous chondrite is.
Five days later they arrived at the top of the cable, and decelerated into locks inside the ballast asteroid Clarke, now a much-tunneled chunk of carbonaceous chondrite, so filigreed with exterior buildings and interior chambers that it seemed more a spaceship or a city than Mars’.