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Rock identification

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Nice rock!  Welcome to the Rock & Mineral forum Rockit.  Most likely a glacial erratic, that is a rock dropped by a retreating glacier.  Based solely on the photos, it is a Gniess; a metamorphic rock.  There is some interesting minerals in the whitish, banded areas but the photos resolution is to low to allow for IDing. There is a fracture running diagonal through the rock that has been filled in by some whitish mineral.

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