Thermoelectricity Characteristics of Pyrite from Xincheng Gold Deposit, Eastern Shandong
详细信息
- 责任者：Ji Xingzhong (State Key Laboratory of Geological Processes and Mineral Resources ; China University of Geosciences ; Beijing 100083 ; China) ; Yang Liqiang
- 刊名：Geoscience
- 出版年：2013
- 卷期：27(1)
- 关键词：金矿 ; gold ores ; 山东 ; Shandong Province
- 页码：p.37-45
- 图表：illus., 2 tables, 26 refs.
- 分类号：1001
- issnNo：ISSN1000-8527
- isbnNo：CN11-2035/P
摘要
Xincheng gold deposit,located in the Jiaojia gold field of Eastern Shandong,is a super-large altered cataclastic rock type gold deposit.Pyrite is recognized as the most important gold-bearing mineral in this depo-sit.Combined with thermoelectricity characteristics of pyrite from different depths and exploration lines of Xincheng gold deposit,the spatial distribution regularities of thermoelectric conductive type of pyrite,the mine-ralization temperature and the denudation rate of ore body are discussed in this paper,and we proposed the prospective ore area in the deeper areas.Research shows,compared to N-type(less than 30%),the thermoelectric conductive type of pyrite of Xincheng gold deposit is mainly P-type(70.20%),whose thermoelectric coefficient is 180 to 320 μV · ℃-1 and-180 to-80 μV · ℃-1 respectively;the variation trend of thermoelectric conductive type is P→N from shallow to deep areas;mineralizing temperature centers on 180 to 340 ℃,which indicates that it is a mesothermal deposit;denudation rate of ore body is 49.98%.Combined with the field geological study and the data in this paper,three ore prospective areas are proposed: depth below-630 m from 149 to 157 and from 181 to 193 exploration lines,and depth below-730 m from 161 to 179 exploration lines.
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