Impact of metamorphism and deformation on metal mobility at the microscale to nanoscale in orogenic gold systems

造山金系统中变质作用和变形对微米级至纳米级金属流动性的影响

基本信息

  • 批准号:
    RGPIN-2022-04118
  • 负责人:
  • 金额:
    $ 1.89万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Metamorphism and deformation impact the mobility of metals (e.g., Au, Bi, Te) in hydrothermal mineral systems including orogenic gold systems which are a major contributor to Canada's leading role as Au producer. The impact of deformation and metamorphism is well constrained on the district and deposit scale but poorly understood on the microscale to nanoscale specifically within sulfides and quartz. The proposed research program investigates how metal mobility in orogenic gold systems within the Uchi Subprovince of Manitoba and Ontario is impacted by varying degrees of metamorphism and deformation. Specifically, the role of microstructures in pyrite and quartz is investigated regarding metal (Au, Bi, Te) mobility and variations in metal abundance on the grain scale. The program will provide opportunities to train ten highly qualified personnel by exposing them to a variety of fieldwork methods including the use of handheld instrumentation in combination with cutting-edge micro- and nano-technologies to constrain the research questions. This training will prepare HQP for highly sought-after roles in the natural sciences including economic geology, geometallurgy, material sciences, engineering and/or geochemical analyses. The results of my program will impact our understanding what role metamorphism and deformation play in pyrite and quartz regarding metal mobility; what processes cause metal mobility during metamorphism and deformation at different metamorphic conditions; and how metals are transported during deformation and metamorphism on the microscale and nanoscale. This advances our knowledge of metal mobility on the grain scale in metamorphosed and deformed orogenic gold systems and the used methods can be applied to other metamorphosed and deformed mineral systems domestically and globally. Additionally, the results will improve metal recovery rates and hence impact metallurgical processes since knowledge is gained where and how metals accumulate in deformed sulfides and quartz. Finally, the research program will make meaningful advancements on the combined field of microtexture, microstructure, and geochemical micro- and nano-analyses applied to geological processes, which is currently under-represented in its investigation within Canada.
变质和变形影响金属的流动性(例如,Au、Bi、Te),这是加拿大作为Au生产国的主要贡献者。变形和变质作用的影响在区域和存款尺度上受到很好的限制,但在微观尺度到纳米尺度上,特别是在硫化物和石英中,人们对变形和变质作用的影响了解甚少。拟议的研究计划调查如何在马尼托巴和安大略的Uchi次省内的造山金系统的金属流动性受到不同程度的变质和变形。具体而言,黄铁矿和石英的微观结构的作用进行了研究,关于金属(Au,Bi,Te)的流动性和金属丰度的变化在颗粒尺度上。该计划将提供机会,培训十名高素质的人员,让他们接触到各种实地工作方法,包括使用手持仪器与尖端的微和纳米技术相结合,以限制研究问题。该培训将为HQP在自然科学领域的高度抢手角色做好准备,包括经济地质学,几何学,材料科学,工程和/或地球化学分析。我的计划的结果将影响我们理解变质和变形在黄铁矿和石英中对金属流动性的作用;在不同的变质条件下,变质和变形过程中引起金属流动性的过程;以及金属在变形和变质过程中如何在微观和纳米尺度上运输。这一研究成果对认识变质变形造山带金系统中金属在颗粒尺度上的活动性具有重要意义,所采用的研究方法可推广应用于国内外其他变质变形矿物系统。此外,研究结果将提高金属回收率,从而影响冶金工艺,因为获得了金属在变形硫化物和石英中积累的位置和方式的知识。最后,该研究计划将在应用于地质过程的微观结构,微观结构和地球化学微观和纳米分析的组合领域取得有意义的进展,目前在加拿大的调查中代表性不足。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
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Brueckner, Stefanie其他文献

Brueckner, Stefanie的其他文献

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{{ truncateString('Brueckner, Stefanie', 18)}}的其他基金

Impact of metamorphism and deformation on metal mobility at the microscale to nanoscale in orogenic gold systems
造山金系统中变质作用和变形对微米级至纳米级金属流动性的影响
  • 批准号:
    DGECR-2022-00147
  • 财政年份:
    2022
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Discovery Launch Supplement

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Impact of metamorphism and deformation on metal mobility at the microscale to nanoscale in orogenic gold systems
造山金系统中变质作用和变形对微米级至纳米级金属流动性的影响
  • 批准号:
    DGECR-2022-00147
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Decoding the Cenozoic Metamorphism and Deformation of the Exhumed Midcrustal Core in the Himalaya
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