Re: unsorted sediment

Date: Sat Sep 27 2003 - 22:41:36 EDT

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    Austin has a picture of a 15-foot diameter, 200-ton boulder from the
    Shinumo Quartzite in the base of the Tapeats Sandstone, in his Grand
    Canyon book (p 46). "Arthur Chadwick surveyed hills of bedrock covered
    with boulder and sand beds. These were interpreted by Chadwick as
    catastrophic underwater debris flows, which were able to move boulders
    ten feet in diameter more than a quarter mile." (p 47)

    On Fri, 26 Sep 2003 09:04:36 -0500 "Glenn Morton"
    <> writes:
    The interesting thing about all these is their rarity in the geologic
    column compared with the sorted sediments and precipitates. Those who
    believe in a global flood must deal with this issue. On the whole,
    however, I don't think they even know it exists.

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