Design On The General Exploration In Nichonggou Section Of Yanzigou Gold Deposit In Danba, Sichuan

Danba is in the Songpan-Garze Orogenic belt,Belong to the intersection of four tectonic system that is composition of the Longmenshan Tectonic Belt,Tectonicof Sichuan and Yunnan,and Qinghai-Tibet-Yunnan-Myanmar-Indonesiaη-type structure which have a long history as mineralization.Nichonggou section of Yanzigou gold deposit is located in the east of Xian-shuihe fault and the nuclear of Vault body.The deposits are mainly in the fourth of Devonian Weiguan group carbonaceous phyllite lines. According to the original mineral assemblages.Ore types are mainly made of native gold-pyrite and oxidized ore.Based on ore body characterister,ore types can be divided into carbonaceous phyllite layered-like layer and the quartz vein type .The main of ore structure are vein, disseminated, banded, striped and lamellar, in addition some place have agglomerate, breccia (breccia structure), honeycomb-like etc structure.The microstructure of minerals have the crystal structure that formed by the crystallization,account formed by account structure, biological structures formed by bio-mineralization and deformation structure that formed by tectonic stress. Sulfide and Sulphosalts is the main of ore material and components,followed by mineral oxides and a small amount of natural elements.General exploration of the mine design is based on the 2008-2009 prospecting results. The Evaluation which not only according to the geological conditions of ore exploration area, the geological characteristics of the ore bodies in output but useing large scale geological mapping, trenching, drilling, tunnels and other technical methods,was carried out.As general exploration object which is Nichonggou section,we defined it as the typeⅡof exploration. To congtrol the engineering of effectively and seek (332 +333) resources quickly, we condut our work by 40 ~ 80 m (orientation)×40 ~ 80 m (tend) network degree. At the same time, District to carry out detailed investigation of 1:2 while supporting thousands of topographical, geological survey, thousands of exploration line topographic 1:1, 1:500 geological profiling, 1:5 million regional hydraulic Central Geological Survey, 1:5 thousands of mining hydraulic ring Geological Survey, of the Long View, pumping (pressure) water test, all types of sample collection and testing options and minerals preliminary test work.The design have a specific layout on many aspects such as the design of prospecting, geological mapping, geological survey of hydraulic ring, measurement of engineering and sample analysis. According to the demands of technology rules, we have cleared and identified the constructions, operation standards and quality requirements.