supported by the Major State Basic Research Development Program of the People's Republic of China(973 project)(No.2009CB421008);the 111 Project(No.B07011);the National Natural Science Foundation of China(No.40234051);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT0755);the Special Plans of Science and Technology of Land Resource Department(No. 20010103)
The Tengchong geothermal area,an active tectonic region with frequent earthquakes,is located in Yunnan Province of southwestern China.This area contains abundant active hot springs, which often display high metal conc...