KECHIBA/KECHIPA
A Poster Presentation of Original Research by
Paul T. Kay
Published as
THE KECHIPA CAPER, OR THE STRANGE CASE
OF A MISTAKEN IDENTITY
IN
just 4 pages below
YOU WILL FIND THE DATA FOR THE
POSTER ABOVE DISPLAYED IN LARGE
FORMAT-in a series
WHILE MOST PIGMENTS STUDIED IN THE SW-USA ARE DERIVED FROM
DISTINCTIVE MINERALS SUCH AS IRON OXIDES LIKE HEMATITE OR GOETHITE
THIS YELLOW-SEEN BELOW-WAS A SMECTITE CLAY AND BECAME PINK
WHEN FIRED IN AN OXYGEN ATMOSPHERE
DECORATION
and quartz at ~21 and 26.5
WERE CONTRIBUTED BY
RIC WENDLANDT, GEOLOGY
COLORADO SCHOOL OF MINES
PROVIDED BY
THE MICROBEAM LAB
USGS-DENVER
KAOLINITE AND MAJOR QUARTZ
NOTE: NO FELDSPARS
I've recently uncovered the likely etiology of this confusion:
Victor Mindeleff in his 1891 BIA 8th Annual Report, p. 145
called this whitewash--"clayey gypsum"
as reported by Watson Smith in "Kiva Mural Decorations"
Peabody Papers Vol 37, p. 93--
evidently his successors abbreviated carelessly...
PTK-Denver Sept. 2006
