New Discoveries for the Metallogenic Background and Prospecting of Gold Deposit in Laowangou Area,Fengxian County,Shaanxi Province
The geotectonic location of Laowangou area in Fengxian County,Shaanxi Province is located at the junction of the North Qinling Orogenic Belt and Lixian-Zoshui Fold Belt.It is situated in the Fengxian section of the TangZang-Danfeng-Shangnan large fault zone,which is a concentrated area of Non-Ferrous and precious metal resources in the central-western parts of the Qinling Mountains.Based on the analysis of the stratigraphy,structure,mineralization alteration characteristics and new discoveries of prospecting in the region and the area,it is concluded that the ore-controlling structure in the area is nearly east-west ductile brittle shear zone,and the north-south ore-bearing structure is the en echelon vein type tension fissure ore-bearing structure within the shear zone.