Low-grade metamorphic phosphate geochronology: High-precision dating of ancient crustal fluid flow, hydrothermal mineralisation and the "Great Oxidation Event"
低品位变质磷酸盐地质年代学:古代地壳流体流动、热液成矿和“大氧化事件”的高精度测年
基本信息
- 批准号:DP0452196
- 负责人:
- 金额:$ 22.34万
- 依托单位:
- 依托单位国家:澳大利亚
- 项目类别:Discovery Projects
- 财政年份:2004
- 资助国家:澳大利亚
- 起止时间:2004-01-01 至 2007-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Reliable dating techniques are required to obtain precise ages for ancient crustal fluid flow. Current techniques suffer from inheritance and isotopic resetting, problems that are particularly pronounced in early Precambrian rocks. This project will employ new analytical techniques to date phosphate minerals recently identified as potentially important new chronometers of ancient fluid flow, providing the first precise tectonothermal history of the Archaean Pilbara Craton. The project will also establish the age of giant iron-ore deposits across the Hamersley Province, test the various models for iron-ore formation, and provide a minimum age for the oxidation of the Earth's surface.
需要可靠的测年技术来获得古地壳流体流动的精确年龄。目前的技术受到遗传和同位素重置的影响,这些问题在早期前寒武纪岩石中特别明显。该项目将采用新的分析技术,对最近被确定为古流体流动的潜在重要的新计时器的磷酸盐矿物进行测定,从而提供第一个精确的皮尔巴拉火山的构造历史。该项目还将确定哈默斯利省巨型铁矿床的年龄,测试各种铁矿形成模型,并提供地球表面氧化的最低年龄。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Adj/Prof Birger Rasmussen其他文献
Adj/Prof Birger Rasmussen的其他文献
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{{ truncateString('Adj/Prof Birger Rasmussen', 18)}}的其他基金
Banded iron formations: life, oxygen and ocean chemistry
带状铁的形成:生命、氧气和海洋化学
- 批准号:
DP190102237 - 财政年份:2019
- 资助金额:
$ 22.34万 - 项目类别:
Discovery Projects
The origin of iron formations: implications for ancient ocean chemistry and the evolution of microbial life
铁形成的起源:对古代海洋化学和微生物生命进化的影响
- 批准号:
DP140100512 - 财政年份:2014
- 资助金额:
$ 22.34万 - 项目类别:
Discovery Projects
Chronostratigraphic and tectonothermal history of the northern Capricorn Orogen: constructing a geological framework for understanding mineral systems
摩羯座造山带北部的年代地层和构造热历史:构建了解矿物系统的地质框架
- 批准号:
LP130100922 - 财政年份:2013
- 资助金额:
$ 22.34万 - 项目类别:
Linkage Projects
The early history of atmospheric oxygen
大气中氧气的早期历史
- 批准号:
DP110103660 - 财政年份:2011
- 资助金额:
$ 22.34万 - 项目类别:
Discovery Projects
Developing a new tectonothermal and mineralization history for the Capricorn Orogen, Western Australia: Assisting mineral exploration in greenfields terrains
为西澳大利亚摩羯座造山带开发新的构造热和矿化历史:协助绿地地形的矿产勘探
- 批准号:
LP0990455 - 财政年份:2009
- 资助金额:
$ 22.34万 - 项目类别:
Linkage Projects
Biogeochemical characterisation of Archaean microfossils, biomarkers and organic matter: Probing the nature and diversity of early life on Earth
太古代微化石、生物标志物和有机物的生物地球化学特征:探索地球早期生命的性质和多样性
- 批准号:
DP0984258 - 财政年份:2009
- 资助金额:
$ 22.34万 - 项目类别:
Discovery Projects
Tectonothermal and mineralization history of banded iron formations of the north Pilbara Craton
皮尔巴拉克拉通北部带状铁矿构造热和成矿历史
- 批准号:
LP0883956 - 财政年份:2008
- 资助金额:
$ 22.34万 - 项目类别:
Linkage Projects
Accessory REE-phosphates as tracers of heat and fluids in time and space
稀土磷酸盐作为时间和空间中热量和流体的示踪剂
- 批准号:
DP0877698 - 财政年份:2008
- 资助金额:
$ 22.34万 - 项目类别:
Discovery Projects
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Exploring the archive data of low grade - high pressure metamorphic sedimentary successions
低品位-高压变质沉积层序档案资料探索
- 批准号:
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低品位变质灰岩中磁黄铁矿的部分热磁剩磁记录的磁场反转
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Schistosity development, fluid flow and connectivity in low grade metamorphic terranes
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