Mineral-fluid reactions in metamorphism and carbon sequestration

变质作用和碳封存中的矿物流体反应

• 批准号: RGPIN-2015-05036
• 负责人: Dipple, Gregory
• 金额: $ 4.37万
• 依托单位: University of British Columbia
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=590179
• 关键词: Mineral; fluid; reactions; metamorphism; carbon

This project will assess the role of mineral fluid reactions in modulating fluid flow in Earth’s deep crust and in absorbing the greenhouse gas carbon dioxide from the atmosphere. Fluid flow at depth within Earth's crust may control how the crust behaves during mountain building and magmatism. Fluid flow is also essential for the formation of some metallic and high-tech industrial mineral ore deposits, and influences rock behaviour during deformation (e.g., earthquake events). A critical control on fluid flow is the formation and destruction of permeable pathways by mineral reactions and rock deformation. Likewise, mineral reactions can contribute towards the long term sequestration of carbon dioxide from the atmosphere. One promising area of application is in using industrial waste, such as mine tailings, to capture and bind carbon dioxide for millennia, thus contributing to the mitigation of the climate change problem.

该项目将评估矿物流体反应在调节地壳深部流体流动和吸收大气中温室气体二氧化碳方面的作用。 地壳深处的流体流动可能会控制地壳在造山和岩浆活动期间的行为。流体流动对于一些金属和高科技工业矿物矿床的形成也是必不可少的，并且影响变形期间的岩石行为（例如，地震事件）。流体流动的关键控制因素是矿物反应和岩石变形对渗透通道的形成和破坏。 同样，矿物反应可以有助于从大气中长期封存二氧化碳。一个很有前景的应用领域是利用尾矿等工业废物来捕获和固定二氧化碳，持续数千年，从而有助于缓解气候变化问题。