Achondrite - Wikipedia
An achondrite[1] is a stony meteorite that does not contain chondrules. [2][3] It consists of material similar to terrestrial basalts or plutonic rocks and has been differentiated and reprocessed to a …
Achondrites, including martian and lunar meteorites
Only 6.9% of stony meteorites are achondrites. The achondrites include eucrites (35%), ureilites (14%), diogenites (13%), howardites (10%), lunar (10%), martian (6%), and some rare …
Meteorite - Achondrite, Chondrite, Stony | Britannica
Jan 17, 2025 · Meteorite - Achondrite, Chondrite, Stony: Achondrites, their name meaning “without chondrites,” are a relatively small but diverse group of meteorites.
Achondrite | Stony, Chondritic & Primitive | Britannica
achondrite, any stony meteorite containing no chondrules (small, roughly spherical objects that formed in the solar nebula). The only exclusions are carbonaceous chondrite s of the CI group, …
achondrite - Meteorite Museum
History: The stone was found by meteorite hunters in Western Sahara. Physical characteristics: Smooth sand blasted exterior and saw-cut, exposed interior show a cumulate intermingling of …
Achondrites – Buseck Center for Meteorite Studies
Achondrites lack chondrules, originate on differentiated planetary bodies (ie planetary bodies with a distinct core and crust), such as asteroids, planets, or moons, and were reformed from …
Meteorite - Chondrites, Achondrites, Iron-Nickel | Britannica
Jan 18, 2025 · Chondrites are the most abundant meteorites (about 87 percent of stony meteorites) in collections. They also are arguably the most important. In terms of terrestrial …
Differentiation: chondrites & achondrites - Top Meteorite
Apr 11, 2017 · If the metal has been gravitationally pulled to the center to form a core, there will logically not be much metal in a meteorite originating from its surface. Of all the types of …
Achondrite meteorites - SpringerLink
Achondrite meteorites are stony meteorites lacking chondritic texture; that is, they lack the spherical chondrules that are the defining characteristic of chondrites. As originally defined in …
Primitive achondrite - Wikipedia
Primitive achondrites are a subdivision of meteorites. They are classified on the same rank (historically called "Class") and lying between chondrites and achondrites. They are called …
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