[RightWhale]

That's a clear explanation. I am wondering, though, why some meteorites are corbonaceous, some are rocky, and some are metallic. It looks like there was some differentiation and concentration at some point. Also, the rocky ones are made of oxide, so at what point did the metals become oxidised? Counting silicon as a metal.

[RightWhale]

corbonaceous

carbon, not corbon.

[Political Junkie Too]

I think that some meteorites are original cosmic dust, others are planetary fragments kicked up by impacts during formation, and still others are fragments kicked up by impacts after formation.

-PJ