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Breccia Rock

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This breccia rock is strongly attracted to a magnate. It is very dense too. I think the matrix must be magnetite? Do any of you know if this is a common type of Breccia? It was found at Gold Basin, AZ while hunting for meteorites. IMG_0014.JPGIMG_0016.JPG

Edited by Strapped
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Nice find.  Looks like the "Old Rag Granite" of central Virginia and "Roane Mt Granite" of East Tennessee, where the plagioclase feldspar minerals have partially or completely converted to Epidote.  I agree with the others that the sample has Magnetite inclusions.

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