never seen a breccia/tillite like this one...
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  1. #1
    May 2015
    West Lower Peninsula, MI
    576 times

    never seen a breccia/tillite like this one...

    Has anyone else? I find loads of gowganda-type tillite around here, which the only difference being the gowganda types have a dark gray/black matrix with the pink granite/K-spar in it...this one has a white matrix which I can only presume is quartzite. In all my years of rock-hounding Michigan to death, I've never seen one like it. Anyone else see one like this? Wondering if it's just a freak of nature or what lol
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  2. #2
    Sep 2006
    White's V3, Minelab Explorer II & XP Deus.
    2102 times
    Maybe quartz "glued" it together again?
    Geologists are gneiss, tuff, and a little wacke.



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