Fengtaishan Ore Block Of Shaxi Copper-gold Deposit3D Modeling And Spatial Analysis Of Metallogenic Element

Shaxi is a large porphyry copper-gold deposit located outside the Luzong volcanicbasin in the Middle and Lower Reaches of the Yangtze River metallogenic belt.Since2008,the detail exploration engineering of mining area shows that the shaxi porphyrycopper reserves have reached a large scale and also its depth and side have a greatprospecting potential.This topic comes from the research project of Anhui Tongling nonferrous metalsgroup holdings co.LTD entrusts LuJiang shaxi ore-controlling factors and prospectingdirection.The geological work of Shaxi porphyry copper gold deposits is comprehensive,early research degree is higher, geological information is detailed. It is a typicalporphyry copper gold deposits and porphyry ore deposit is closely related to thealteration and mineralization, it also has very good alteration zonation. Researchdeposit alteration and study the distribution of the ore-forming elements, alterationand mineralization of the relational model, it has guidance for the next stepprospecting work.This paper will regard shaxi deposit in anhui province as the research object, andbased on the mainstream mining software-Surpac from SMG company, also combinewith the geological exploration and scientific research data and field observations,make clear of basic geological characteristics of shaxi copper-gold deposits in anhuiprovince.On this basis, this paper establishes the3D-Model of Fengtaishan ore blockof shaxi copper-gold deposit including surface DTM model, ore body model, stratummodel, rock model.Modify and perfect the three-dimensional model of the spatialdistribution of geological body of Fengtaishan ore block.This paper makes spatialcorrelation analysis in three dimensional space of Fengtaishan ore block aboutalteration minerals, element distribution, orebody distribution and so on and clarifiesthe spatial distribution law of each factor, and its relationship with mineralization,analyses of metallogenic regularities and gives qualitative prediction of metallogenic.Finally in this paper, the main achievements are as follows:（1）This paper searches original geological data of Fengtaishan ore block of shaxicopper-gold deposit and establishes a complete geological database of Fengtaishan oreblock.（2） According to the geological database, geological section map and bore hole columnar section, this paper establishes the three-dimensional model of Fengtaishanore block, including surface DTM model, ore body model, stratum model, rockmodel.It has reproduced the space form and internal characteristics of the ore depositintuitively and accurately.It assists the research on genesis of mineral deposit andresource prediction, and at the same time implements the dynamic management ofmine production and the rational use of resources.（3） on the basis of the entity model, this paper sets up the alteration andmineralization elements of3d block model. Wall rock alteration are divided intopotassium silicate salinization, green rock lithification and decomposition of feldsparalteration; Spatial analysis main ore-forming elements including Cu, Au element.