Controls on the porphyry Cu-Au mineralizing potential of magmas in continental collision settings

大陆碰撞背景下岩浆斑岩铜金矿化潜力的控制

基本信息

项目摘要

The aim of this project is to evaluate the influence of magmatic factors on the porphyry Cu-Au mineralizing potential of magmas in continental collision settings. A popular view is that the high fertility of postcollisional, potassium-rich magmas stems from the partial melting of sulfide-rich cumulates that were deposited in the lower crust during a previous stage of subduction-related magmatism. This hypothesis will be tested using a dual approach that involves both experiments and studies on natural samples. In the experiments, natural, sulfide-bearing cumulates will be subjected to high pressures and temperatures to induce partial melting, and the obtained run products will be thoroughly characterized with regard to their composition, the oxygen fugacity, and the abundances of sulfur, H2O and metals in the silicate melt. The studies on natural samples aim at: (1) characterizing additional lower crustal cumulates that can be used as starting materials for the experiments, and (2) reconstructing the composition, formation conditions and metal content of a number of natural, postcollisional magmas associated with both mineralized and barren systems, such that the results can be directly compared with those obtained from the experiments.
本项目旨在评价岩浆因素对大陆碰撞背景下岩浆斑岩铜金成矿潜力的影响。一种流行的观点是,碰撞后富钾岩浆的高生育力源于俯冲相关岩浆活动前一阶段沉积在下地壳的富硫化物堆积的部分熔融。这一假设将采用双重方法进行检验,包括对自然样本的实验和研究。在实验中,将天然的含硫化物堆积物置于高压和高温下诱导部分熔融,得到的流动产物将在其组成、氧逸度以及硅酸盐熔体中硫、水和金属的丰度方面得到彻底的表征。对自然样品的研究旨在:(1)表征额外的下地壳堆积物,作为实验的起始材料;(2)重建与矿化和贫瘠系统相关的一些自然碰撞后岩浆的组成、形成条件和金属含量,以便与实验结果直接比较。

项目成果

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Dr. Andreas Audétat其他文献

Dr. Andreas Audétat的其他文献

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{{ truncateString('Dr. Andreas Audétat', 18)}}的其他基金

Development of new oxybarometers for silicic magmas
新型硅岩浆氧压计的研制
  • 批准号:
    261400976
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Fraktionierung von Schwefel, Kupfer und Gold in zweiphasigen Fluiden
两相流体中硫、铜和金的分馏
  • 批准号:
    53284878
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Behavior of volatiles and ore-forming metals during high-pressure differentiation of arc magmas
电弧岩浆高压分异过程中挥发物和成矿金属的行为
  • 批准号:
    520462435
  • 财政年份:
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes

相似国自然基金

云南中甸地区斑岩铜(金)矿化与大陆动力学背景研究
  • 批准号:
    40372049
  • 批准年份:
    2003
  • 资助金额:
    35.0 万元
  • 项目类别:
    面上项目

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Reconstructing the Magmatic and Hydrothermal Evolution of the Au-rich, Cu-Poor Dorado Porphyry Deposit, Chile: Implications for Cu/Au Ratios in Porphyry Deposits Worldwide
重建智利富金、贫铜多拉多斑岩矿床的岩浆和热液演化:对全球斑岩矿床中铜/金比率的影响
  • 批准号:
    2214119
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    2022
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    --
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Fertility of subduction and post subduction magmatism associated with porphyry- and epithermal-Cu-Au mineralisation in the Aegean using zircon geochro
使用锆石地色仪研究与爱琴海斑岩和浅成热液铜金矿化相关的俯冲和俯冲后岩浆活动的丰度
  • 批准号:
    2506281
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    2021
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    --
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    Studentship
Study on hydrothermal copper deposit: Why do porphyry Cu deposits form?
热液铜矿床研究:斑岩铜矿床为何形成?
  • 批准号:
    20K04123
  • 财政年份:
    2020
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    --
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    Grant-in-Aid for Scientific Research (C)
PGE distribution in the New Afton Cu-Au porphyry deposit**
New Afton 铜金斑岩矿床中 PGE 的分布**
  • 批准号:
    536604-2018
  • 财政年份:
    2018
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    --
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    Engage Grants Program
Magmatic Evolution of the Kerr-Sulphurets-Mitchell Cu-Au Porphyry Deposit, Northwestern British Columbia, Canada
加拿大不列颠哥伦比亚省西北部 Kerr-Sulphurets-Mitchell 铜-金斑岩矿床的岩浆演化
  • 批准号:
    487515-2016
  • 财政年份:
    2018
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    --
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    Postgraduate Scholarships - Doctoral
Magmatic Evolution of the Kerr-Sulphurets-Mitchell Cu-Au Porphyry Deposit, Northwestern British Columbia, Canada
加拿大不列颠哥伦比亚省西北部 Kerr-Sulphurets-Mitchell 铜-金斑岩矿床的岩浆演化
  • 批准号:
    487515-2016
  • 财政年份:
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Magmatic Evolution of the Kerr-Sulphurets-Mitchell Cu-Au Porphyry Deposit, Northwestern British Columbia, Canada
加拿大不列颠哥伦比亚省西北部 Kerr-Sulphurets-Mitchell 铜-金斑岩矿床的岩浆演化
  • 批准号:
    487515-2016
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    2016
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    Postgraduate Scholarships - Doctoral
Contrasting tectonic and magmatic signatures of convergent margin magmas associated with porphyry Cu versus iron oxide-copper-gold deposits
与斑岩铜矿床和氧化铁-铜-金矿床相关的会聚边缘岩浆的构造和岩浆特征对比
  • 批准号:
    485693-2015
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    2015
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    --
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    Engage Grants Program
Structural, magmatic, and hydrothermal controls on high-grade mineralization at the Red Chris porphyry Cu-Au deposit, British Columbia
不列颠哥伦比亚省红克里斯斑岩铜金矿床的构造、岩浆和热液对高品位矿化的控制
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Tectonomagmatic setting of the sulphurets Cu-Au porphyry-epithermal district, Northwestern British Columbia
不列颠哥伦比亚省西北部硫磺矿铜-金斑岩-浅成热液区的构造岩浆环境
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