Question

In: Anatomy and Physiology

Which of the following is not a description of chondrite meteorites? a. They have a high...

Which of the following is not a description of chondrite meteorites?

a. They have a high proportion of carbon b. They contain melted grains called chondrules c. They are only found on the Moon d. They come from C-type asteroids e. They represent the most common find

Solutions

Expert Solution

One of their characteristics is the presence of chondrules, which are round grains formed by distinct minerals, that normally constitute between 20% and 80% of a chondrite by volume. Chondrites can be differentiated from iron meteorites due to their low iron and nickel content

Although some carbonaceous chondrites contain up to 2 percent carbon by weight in organic matter, others contain less carbonaceous material than some members of other classes of chondrite. The dark appearance has more to do with the greater abundance of fine-grained matrix in them than in most chondrites

Option c is wrong as is not only found in mooon but 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.


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