Re: Anasazi Astronomy

19 Apr 1995 17:23 CDT

In article <3muhne$>, (Doug S. Caprette) writes...
>In article> Robert Roosen <> 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.