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Old 06-03-2011, 12:12 PM
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sjastro
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Quote:
Originally Posted by CraigS View Post
As an example, if I was to go and stick a magnet into the dirt outside my house, I'd end up with the magnet being heavily covered in what would probably amount to 'iron filings' (after analysis). I have no idea what the source really is .. but the evidence exists.

How can I pick out the samples (for analysis) from all of that?

We need a home-style nickel detector !

Cheers
I'd use a microscope. I suspect micrometeorites are more rounded in shape, iron filings would have sharper edges.

Larger pieces such as slag are identified by a lack of fusion crust.

Regards

Steven
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