1. College of Earth Sciences, Jilin University, Changchun 130061, China; 2. Jilin Institute of Geological Survey, Changchun 130061, China

Through the measuring of 1��50 000 stream sediments and statistical analysis of element content in original rocks, 9 synthetical abnormal places have been delineated. The abnormal places distribute mainly in Jinshuikou Group and in the contact zones of adamellite and Jinshuikou Group of Lower Proterozoic. The ore bodies distribute in the adamellite, two-mica-quartz schist and tremolite marble chiefly. W and Sn fitswell each other, the concentration centre is consistent and the concentration zoning is obviously in the synthetical abnormal places, so this region has the conditions to find hidden and semi-hidden hydrothermal metal minerals with medium-high temperature, which is the relative best position to looking for tin-tungsten ores.