Sulfur Isotope Studies of Detailed Mineral Parageneses in MVT-Type Pb-Zn Deposits, S. E. MO.: A Test of the Involvement of Multiple Basinal Fluid Sources

密苏里州 MVT 型铅锌矿床中详细矿物共生的硫同位素研究：多个盆底流体源参与的测试

• 批准号: 9001986
• 负责人: Kevin Shelton
• 金额: $ 7.37万
• 依托单位: University of Missouri-Columbia
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-06-15 至 1992-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9001986&HistoricalAwards=false
• 关键词: Sulfur; Isotope; Studies; Detailed; Mineral

The source of ore fluids and their interactions with host rocks are of considerable concern in the understanding of the Mississippi Valley-type of Lead-Zinc deposits. In southeast Missouri there is a strong possibility that multiple basinal fluids were involved and indicate a more complex origin for sulfide orebodies in the region than previously modeled. This project will utilize sulfur isotope variations throughout the paragenetic sequence of sulfide deposition for a number of mines in the Viburnum Trend of the Southeast Missouri Lead-Zinc district. Results should clarify the role of successive pulses of ore-forming fluids and their interaction with host rocks.

成矿流体的来源及其与容矿岩石的相互作用是理解密西西比河谷型铅锌矿床的重要因素。在密苏里州东南部，很有可能有多个盆地流体参与其中，这表明该地区硫化物矿体的成因比以前的模型更复杂。该项目将在密苏里州东南部铅锌区Viburnum趋势的一些矿山的硫化物沉积共生序列中利用硫同位素变化。结果应该阐明成矿流体连续脉冲的作用及其与主岩的相互作用。