Dear Raf,
Is it possible for some stable isotope analyses of kaolins, illite, 
goethite and Mn-shales samples to be analysed in your laboratory for 
the 18O and 16O ratios. Also, do you have facilities for some form of 
dating of these samples.
I look forward to receiving soon from you.
Thanks 

Georges Ekosse
Geology Department
P/Bag 0022
Gaborone, Botswana
Tel: 267 355 2569
Fax: 267 355 2784
Email: [log in to unmask]