Analysis on Geological Characteristics and Ore-Searching Prospect of Weishancheng Au-Ag Orefield in Tongbai County, Henan Province

详细信息   

• 责任者：Fu Xiong (No.3 Geological Team ; Bureau of Non-Ferrous Metals Geological and Mineral Resources of Henan Province ; Zhengzhou 450016 ; China) ; Men Daogai
• 刊名：Mineral Resources and Geology
• 出版年：2012
• 卷期：26(3)
• 关键词：金矿 ; gold ores ; 银矿 ; silver ores ; 河南 ; Henan Province
• 页码：p.198-204
• 图表：4 illus., 5 tables, 21 refs.
• 分类号：1001
• issnNo：ISSN1001-5663
• isbnNo：CN45-1174/TD

摘要

The main parts of Weishancheng Au-Ag orefield are Yindongpo gold deposit and Poshan silver deposit, both deposits are on large scale. According to investigation achieved and field geological survey and observation, the author has summarized the metatlogenic setting, including ore-bearing strata, ore-controlling structure, magma activity, metamorphism and so on）. On that basis, conclusion has been drawn that the deposit containing in orefield is multi-periods and multi-causes compound stratabound ore deposit, judging by the ore-bearing of each section of strata, some geochemical characteristics indicating ore genesis, Co/ Ni in pyrite, composition characteristics of S isotope （δ³⁴S） and C isotope（δ¹³C）, O isotope, trace element, metallogenic temperature, PH value of ore-forming hydrotherm. The deposit containing in orefield is obviously controlled by geologic horizon.