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Information Metallogenic Prediction of the Jinping BAIMAZHAI copper-nickel sulfide ores

Author: SongLiJun
Tutor: ZhuJieYong
School: Kunming University of Science and Technology
Course: Mineral prospecting and exploration
Keywords: BAIMAZHAI copper-nickel sulfide ores Metallogenic model Survey design Integrated information metallogenic prediction model Metallogenic prediction area
CLC: P618.4
Type: Master's thesis
Year: 2003
Downloads: 211
Quote: 2
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Abstract


Jinping BAIMAZHAI copper-nickel sulfide ore the comprehensive information mineralization characteristics of the mine as the main production mines nickel mines in Yunnan, done depletion of resources, there is an urgent need to find substitute resources. To this end, the system collects the geological and mining related mining graphic material, detailed geological survey and in-depth study of indoor expand on the regional geology, rock and ore body characteristics. Use the deposit mathematical economic modeling software and MAPGIS geographic information system software Jinping BAIMAZHAI copper-nickel sulfide ore deposits in mathematical economic model and mine graphic library. Through the above research that the nickel-related basic - ultrabasic rock group (with) Variscan magmatic rocks, located in the Red River deep fracture stretch turn parts of the secondary faults on the edge of the Yangtze platform hyperplasia with Jinping caprock fault block unit (also known as \In the positive magnetic anomaly with ore-bearing rock mass, gravity anomalies, the steepness of the Moho with Ni-Co geochemical anomaly belt and displays high gravity, magnetic, high polarizability and low resistivity high a low geophysical features. Jinping BAIMAZHAI copper-nickel sulfide deposit igneous complex zonation obviously, is a sub-alkaline iron - super ultramafic rocks, with three elements of Ni-Cu-Co first liquation after enrichment of law, divided into right tilt light REE REE enrichment type peridotite europium loss significantly, Gd-Tb slight negative anomaly, displayed as a mineral source mantle, no contamination with crustal material and continental tholeiite pulp upwelling becomes oceanic tholeiite magma emplacement characteristics. And pointed out that the deposit is the ore-bearing mafic - ultramafic magmatic liquation - crystallization differentiation and pulp were pulse penetration copper-nickel sulfide mineralization mode, the specified the Ⅲ number of intrusion lower (650m interrupt) may exist a bonanza, and recommended further do well Geophysical confirmed. Database to use deposit mathematical economic model, combined with the exploration, extraction, comprehensive and intuitive system established Jinping BAIMAZHAI copper-nickel sulfide ores Ⅲ of three-dimensional shape of the rock mass and position of the orebody deep extension direction and edge morphology, and accordingly The Ⅲ the No.5 rock deep (650-755m) made a prospecting and exploration design. Information metallogenic prediction model Ⅲ No. pluton deposit with a flat cap rock fault block unit within mafic - ultramafic intrusions research contrast, given two A grade mineralization forecast area, a B grade mineralization forecast area and three C-grade mineralization forecast area.

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Non-ferrous metals
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