Dear Allessandro,
I've attached an Excel spreadsheet that should do what you need.
There's two worksheets - one does triangular plots and the other does
tetrahedral plots (from any perspective).
Good luck,
Frank
On Monday, December 16, 2002, at 08:47 AM, Alessandro Moretti wrote:
> Hello,
> Is there anybody out there who could suggest me (or send me) a
> spreadsheet
> for plotting rock and mineral compositions in a AFM (Thompson) diagram?
>
> thank you very much
> Alessandro
> Alessandro Moretti
>
> Dip. di Mineralogia e Petrologia, Univ. di Padova, Italy
>
>
Frank S. Spear
Professor and Chair
Department of Earth and Environmental Sciences, JRSC 1C25
Rensselaer Polytechnic Institute
110 8th Street, Troy, NY 12180-3590
Phone (Office) 518-27-6103
(Lab) 518-276-4899
(Fax) 518-276-6680
http://ees2.geo.rpi.edu/spear/spear.html
http://gmr.minsocam.org
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