The Gejiu mineral district

which is a worldclass tin production region

is facing a current shortage of resources

therefore

mineral exploration in the deeper and peripheral spaces has become a top priority in this old mine. Douyan district

located in the southest of western district

is becoming the focus of mineral exploration for its favourable metallogenic geologic conditions. In this paper

factor analysis (FA) and spectrum-area fractal model (S-A) are applied to study the integrated primary geochemical anomalies associated with polymetallic Sn mineralization. The results are shown as follows: (1) F

1

consists of positive loading from Cd-Hg-Pb-Zn-W

indicating the mesoepithermal deposit associated with polymetallic sulphides. Both F

3

and F

5

include information associated with Sn mineralization. F

5

consists of Sn and Sr (a common element in carbonates)

indicating that a part of ore-forming materials came from carbonate country rocks. F

3

consists of Sn and Mo and reflects information about magmatic activities which would provide the ore-forming thermal condition and a part of ore-forming materials. (2) Predictive exploration targets have been made which suit in the Shuitan Mountain in southeast of study area. It is speculated that circum-shaped amomalies around the Shuitan Mountain were related to volcanic rocks and alteration zones. (3) The main controlling factors for enrichment of Sn are granitoid batholiths and wall rocks based on the modeling semi-variogram.