| The study area is located Minliang Gold Mine of Jinlongshan ore belt in the southern Qinling area. This paper carries out the research to grain gold mine through systematic field investigation, profiling, identification of mines and laboratory analysis of rock samples, and combined with the structural geology, petrology, mineralogy, petrography, geochemistry, mineral deposits, deposit economics theory and method. This paper focuses to study the strata and structure from the regional structural geology background, and estimates the gold reserves through analysis of Miliang Gold Mine production in the geological background of gold deposits, ore body shape, occurrence, ore production and the relationship between structure, mineral structure, structure and genesis of the deposits. Through the analysis of Miliang Gold Mine geological, technical, economic, environmental evaluation, the break-even analysis and sensitivity analysis, the mining benefits are obvious. It provides a reasonable basis for the gold mine development. The development of Miliang Gold Mine is accord with national Western Development industrial policy. The development of the mine certainly will lead the region's rapid economic development and change the region's economic backwardness.
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