| 西藏甲玛铜多金属矿床三维模型分析与深部预测 |
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| 关键词:ore-controlling structure elements zoning three-dimensional deposit model Jiama copper-polymetallic deposit Tibet |
| 基金项目:国家自然科学基金项目(编号: 41002119);国家863计划项目(编号: 2006AA06Z114);国家科技支撑计划项目(编号: 2006BAB01A01)和中国地质调查局地质调查项目(编号: 1212010012013) |
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| Three-dimensional Model Analysis and Deep Prognosis of the Jiama Copper-polymetallic Deposit in Tibet |
| Located about 68 km away from the east of Lhasa in Tibet, the Jiama copper polymetallic deposit is a porphyry-skarn-hornfels type copper-polymetallic deposit related to the ore-forming process of porphyry in the Gangdise metallogenic belt. Guided by the metallogenic series and ore-forming geological anomaly theory, this paper analyzed ore field structures and elements zoning. The authors used three-dimensional modeling and visualization technology to build its 3D deposit model, applied the surface simulation method to extract ore-controlling structure interface of the mining area, and proved that the structural interface had completely controlled the enrichment of Cu, Mo, Ag, Au. The elements zoning studies have shown the variation that shallow Pb, Zn change to deep Cu, Mo. The discussion on the spatial position of the metallogenic center shows that it is possible to find concealed porphyry ore bodies in the depth of ZK1616-ZK3216 area. |
| LI Ying,XIAO Ke-yan,LI Nan,ZOU Wei,ZHANG Ting-ting.2013.Three-dimensional Model Analysis and Deep Prognosis of the Jiama Copper-polymetallic Deposit in Tibet[J].Acta Geoscientica Sinica,34(4):509-512. |
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