Understanding trace element sourcing in ancient and modern seafloor volcanogenic massive sulfides

了解古代和现代海底火山成因块状硫化物中微量元素的来源

• 批准号: 342440-2007
• 负责人: LaytonMatthews, Daniel
• 金额: $ 1.41万
• 依托单位: Queen's University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2007
• 资助国家: 加拿大
• 起止时间: 2007-01-01 至 2008-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=366415
• 关键词: Understanding; trace; element; sourcing; ancient

Volcanogenic massive sulfide (VMS) deposits contain some of Canada's most significant sources of copper, lead, zinc, gold and silver, and are thought to have formed within submarine volcanoes similar to those presently forming on the modern seafloor. This proposed research will examine deposits hosted within ancient seafloor volcanic rocks and will investigate mineral and chemical changes associated with the interaction of hot metal-rich fluids with seawater, sedimentary and volcanic rocks.  This research will focus on the origin, formation and setting of these submarine sedimentary and volcanic rocks.  By improving our understanding of VMS deposits and their associated rocks, I will be able to provide predictive methods for the discovery, exploration, and exploitation of these important metal resources.This research would establish one of very few laboratories quantitatively analyzing trace elements in sulfide minerals from VMS deposits. Additionally, this proposed research will help establish the World's only laboratory routinely measuring Se, Cu, and Te isotopic ratios in geological material from ore systems. It is anticipated that through the application of these new laboratories by my students, collaborators and I, coupled with traditional geological methods of fieldwork, petrography and traditional isotope systems, we will provide an immediate growth in our knowledge on the distribution of trace elements in VMS systems on the seafloor and those in the geological record. As in most new method development, it is anticipated that the knowledge gained in this research will be applicable outside ore deposits research and pertinent to Earth System Science as a whole.

火山质量的硫化物（VM）沉积物包含加拿大最重要的铜，铅，黄金和银色的来源，在潜艇中形成了类似于目前在现代海底上形成的铜。 Wil研究矿物质和富含液体的DS与海水，沉积物和火山岩的相互作用相关的变化。 VMS的硫化物矿物质的矿物质。在海底的VM和地质记录中的VM中，预计在整个研究中获得了。