Metallogenic Prognosis Based on Comprehensive Information in the Duolong Ore Concentration Area of the Bangonghu-Nujiang Metallogenic Belt, Tibet
详细信息
- 责任者：Ning Mohuan (Chengdu University of Technology of Earth ; Chengdu 610059 ; China) ; Hu Changsong
- 刊名：Geology and Prospecting
- 出版年：2013
- 卷期：49(1)
- 关键词：斑岩铜矿床 ; porphyry copper deposit ; 综合信息法 ; integration information methods ; 西藏 ; Tibet
- 页码：p.58-66
- 图表：illus., 3 tables, 20 refs.
- 分类号：1001
- issnNo：ISSN0495-5331
- isbnNo：CN11-2043/P
摘要
Through the long-term studies of the Duolong mining area in the Bangonghu-Nujiang metallogenic belt of Tibet, this study proposed 8 pieces of ore-prospecting indicatory information: ore-bearing granitic porphyries, relationship between structure and copper ores, altered characteristics of wall rock and significance of ore prospecting, oxidation zone of ore body characteristics, regularities of strata contact and copper mineralization, characteristics of geophysical copper mineralization and the characteristics of geochemical copper mineralization, and these 8 pieces of information comprise the 8 statistical parameters of a mathematical model. Considering the poor previous geological work in the study area, we apply a weighted analysis method to prospecting in the Duolong ore district, and select 10 representative drill holes with seen ores. Then we utilize them as model units to do quantitative prediction on 7 unknown units, and thus optimize the prospecting target zones.
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