When Was Carbonaceous Chondrite Formed?
Like Most Meteorites, Chondrites Originated in the Asteroid Belt Where Collisions and Gravitational Perturbations Put Them into Earth-Crossing Orbits...
Like most meteorites, chondrites originated in the asteroid belt where collisions and gravitational perturbations put them into Earth-crossing orbits. (Ordinary chondrites, in particular, are from S-class asteroids.) Chondrites formed about 4.56 billion years ago as part of the formation of their parent asteroids.
Where did carbonaceous chondrites originate?
Most carbonaceous chondrites are thought to come from the low-albedo, C-type asteroids, which are the most abundant type between 2.7 and 3.4 AU (Bell et al., 1989), CM chondrites may be derived from an altered C-like asteroid called G-type (Burbine et al., 2002).
How old is a carbonaceous chondrite meteorite?
Carbonaceous chondritic meteorites are primordial Solar System materials and a source of water delivery to Earth. Fluid flow on the parent bodies of these meteorites is known to have occurred very early in Solar System history (first <4 million years).
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