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Re: Anasazi Astronomy
JAMES BENTHALL (st26h@jane.uh.edu)
19 Apr 1995 17:23 CDT
In article <3muhne$e9i@post.gsfc.nasa.gov>, dsc@gemini.gsfc.nasa.gov (Doug S. Caprette) writes...
>In article 60423.28761D-100000@crash.cts.com> Robert Roosen <roosen@cts.com> writes:
>>>
>>Real simple. Get some radiocarbon dates from the pictographs. Has that
>>been done?
>
>My understanding is that this is difficult to impossible due to the very small
>quntity of organic residue left in those petroglyphs using organic pigments.
>
>Some Petroglyphs consist of inorganic pigments or just scratches in the rocks and
>so cannot be carbon dated.
petroglyphs are carved into the rock.
pictographs are painted onto the rock.
james
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