Supported by the National Natural Science Foundation of China (Grant Nos. 40603009 and 40403008) ;the Chinese Ministry of Science and Technology (Grant No. 2003CB716507)
Trace element analysis was made by an electron microprobe on rutiles from ultrahigh-pressure ec-logite at Jinheqiao in the Dabie orogen. The results show Zr contents of 37 to 118 μg·g?1, with signifi-cant variations...