Hi dear Isogeochem members! Is there anybody here who is interested 
or has experience in dealing with on-shore carbonate deposits from 
the mineralized spreings (travertines)? I am planning to start a 
series of O18 and C13 analysis on the 2-3 travertine cores from 
Russia, Lake Baikal area. Does anybody know any cautions and 
do-dont's about this kind of material and data?
Sincerely, Pavel Romashkin.

Stable Isotope Lab
University of South Carolina
Columbia SC 29209