When Was Chondrite Formed?
Like Rocks on Earth, Space Rocks Can Be Igneous, Sedimentary, or Metamorphic. Chondrite Meteorite Is Part Sedimentary and Part Igneous. as the Oldest Rock in...
Like rocks on Earth, space rocks can be igneous, sedimentary, or metamorphic. Chondrite Meteorite is part sedimentary and part igneous . As the oldest rock in the Museum, it formed about 4.5 billion years ago.
Where do chondrites come from?
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.
How old are ordinary chondrites?
… radionuclide aluminum-26 in chondrules from ordinary and carbonaceous chondrites have been interpreted to indicate that they formed over an extended period from 1 million to at least 3 and perhaps as long as 10 million years after the refractory inclusions.
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