The origin of Pangea
盘古大陆的起源
基本信息
- 批准号:623-2009
- 负责人:
- 金额:$ 7.2万
- 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:2012
- 资助国家:加拿大
- 起止时间:2012-01-01 至 2013-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Over the last 20 years, evidence has been amassing that Pangea, a supercontinent that formed 300 million years ago, is just the latest in a series of supercontinents that have formed repeatedly since the early Precambrian, only to break up and reform again. Although the mechanisms responsible are controversial, many geoscientists agree that repeated cycles of supercontinent amalgamation and dispersal have had a profound effect on the evolution of the Earth's crust, atmosphere, climate, and life. The existence of Pangea, which broke up about 200 million years ago, is a cornerstone of plate tectonics, and its assembly and fragmentation have governed the evolution of the Earth's crust for the past 500 million years. To a first order, we know where and when Pangea formed, but not why. Over the next grant cycle, I intend to investigate why Pangea formed. My approach is to combine field work with laboratory analyses of samples selected from sites that expose critical relationships between rock units. Graduate students are directly involved in each stage of the research program. I will continue to work on the evolution of the Rheic Ocean, an ocean that formed about 500 million years ago between dispersing continents (an interior ocean), and whose closure 200 million years later resulted in the amalgamation of Pangea. However, to obtain a global view, I also need to study rocks that document the evolution of the Paleopacific ocean, an "exterior" ocean that surrounded the dispersing continents. If the evolution of these oceans is dynamically linked, then contraction of the interior ocean, which began about 440 million years ago should be coeval with expansion of the exterior ocean. The dual approach of field work augmented by laboratory analysis will allow me to test the potential geodynamic connection between interior and exterior oceans and to test various hypotheses (including some of my own) that have been proposed for the amalgamation of Pangea.
过去20年里,越来越多的证据表明,3亿年前形成的超级大陆盘古大陆,只是自早前寒武纪以来反复形成的一系列超级大陆中的最新一块,只是为了再次解体和改革。尽管机制存在争议,但许多地球科学家一致认为,超大陆反复合并和扩散的循环已经对地壳、大气、气候和生命的演化产生了深远的影响。大约2亿年前解体的盘古大陆的存在是板块构造的基石,它的组装和碎裂在过去5亿年里主导了地壳的演化。首先,我们知道盘古大陆形成的地点和时间,但不知道为什么。在下一个赠款周期中,我打算调查盘古大陆形成的原因。我的方法是将野外工作与实验室分析相结合,对从暴露岩石单元之间关键关系的地点选择的样本进行分析。研究生直接参与研究项目的每个阶段。我将继续研究莱茵海的演化,这是一个大约5亿年前形成于分散大陆(内陆海洋)之间的海洋,2亿年后它的关闭导致了盘古大陆的合并。然而,为了获得一个全球视野,我还需要研究记录古太平洋演化的岩石,古太平洋是一个环绕着分散的大陆的“外部”海洋。如果这些海洋的演化是动态联系的,那么大约4.4亿年前开始的内海收缩应该与外部海洋的扩张同步。实地工作加上实验室分析的双重方法将使我能够测试内部和外部海洋之间潜在的地球动力学联系,并测试为合并盘古大陆而提出的各种假说(包括我自己的一些假说)。
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)
专利数量(0)
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Murphy, Brendan其他文献
Evaluating the Safety In Numbers effect for pedestrians at urban intersections
- DOI:
10.1016/j.aap.2017.06.004 - 发表时间:
2017-09-01 - 期刊:
- 影响因子:5.9
- 作者:
Murphy, Brendan;Levinson, David M.;Owen, Andrew - 通讯作者:
Owen, Andrew
Comorbidities do not influence primary fistula success in incident hemodialysis patients: A prospective study
- DOI:
10.2215/cjn.00370107 - 发表时间:
2008-01-01 - 期刊:
- 影响因子:9.8
- 作者:
Wang, Wenjie;Murphy, Brendan;Manns, Braden J. - 通讯作者:
Manns, Braden J.
Introduction of a Single Electronic Health Record for Maternity Units in Ireland: Outline of the Experiences of the Project Management Team.
引入爱尔兰产妇单位的单一电子健康记录:项目管理团队的经验概述。
- DOI:
10.2196/38938 - 发表时间:
2023-05-12 - 期刊:
- 影响因子:2.2
- 作者:
Sheehan, Orla Maria;Greene, Richard Anthony;McKernan, Joye;Murphy, Brendan;Cahill, Caroline;Cleary, Brian;Lawlor, Fiona;Robson, Michael - 通讯作者:
Robson, Michael
The proposed release of the yellow fever mosquito, Aedes aegypti containing a naturally occurring strain of Wolbachia pipientis, a question of regulatory responsibility
- DOI:
10.1007/s00003-011-0671-x - 发表时间:
2011-05-01 - 期刊:
- 影响因子:0
- 作者:
De Barro, Paul J.;Murphy, Brendan;Murray, Justine - 通讯作者:
Murray, Justine
The effect of the GENTLE/s robot-mediated therapy system on arm function after stroke
- DOI:
10.1177/0269215507085060 - 发表时间:
2008-05-01 - 期刊:
- 影响因子:3
- 作者:
Coote, Susan;Murphy, Brendan;Stokes, Emma - 通讯作者:
Stokes, Emma
Murphy, Brendan的其他文献
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{{ truncateString('Murphy, Brendan', 18)}}的其他基金
Climate, erosion & sediment dynamics: Investigating controls on landscape evolution
气候、侵蚀
- 批准号:
RGPIN-2021-03188 - 财政年份:2022
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
Climate, erosion & sediment dynamics: Investigating controls on landscape evolution
气候、侵蚀
- 批准号:
DGECR-2021-00327 - 财政年份:2021
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Launch Supplement
Climate, erosion & sediment dynamics: Investigating controls on landscape evolution
气候、侵蚀
- 批准号:
RGPIN-2021-03188 - 财政年份:2021
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2013
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2011
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2010
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2009
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin and evolution of the paleozoic rheic ocean: implications for the amalgamation of pangea
古生代流域的起源和演化:对盘古大陆合并的影响
- 批准号:
623-2004 - 财政年份:2008
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin and evolution of the paleozoic rheic ocean: implications for the amalgamation of pangea
古生代流域的起源和演化:对盘古大陆合并的影响
- 批准号:
623-2004 - 财政年份:2007
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin and evolution of the paleozoic rheic ocean: implications for the amalgamation of pangea
古生代流域的起源和演化:对盘古大陆合并的影响
- 批准号:
623-2004 - 财政年份:2006
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
相似国自然基金
特提斯(Tethys)构造域地块单向分离以及对盘古超大陆(Pangea)裂解的作用
- 批准号:92155204
- 批准年份:2021
- 资助金额:294 万元
- 项目类别:国际(地区)合作与交流项目
相似海外基金
PANGEA: Personalized Antibodies for GastroEsophageal Adenocarcinoma Pilot Trial
PANGEA:用于胃食管腺癌试点试验的个性化抗体
- 批准号:
8926365 - 财政年份:2014
- 资助金额:
$ 7.2万 - 项目类别:
PANGEA: Personalized Antibodies for GastroEsophageal Adenocarcinoma Pilot Trial
PANGEA:用于胃食管腺癌试点试验的个性化抗体
- 批准号:
8767709 - 财政年份:2014
- 资助金额:
$ 7.2万 - 项目类别:
PANGEA: Personalized Antibodies for GastroEsophageal Adenocarcinoma Pilot Trial
PANGEA:用于胃食管腺癌试点试验的个性化抗体
- 批准号:
9120837 - 财政年份:2014
- 资助金额:
$ 7.2万 - 项目类别:
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2013
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2011
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2010
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin of Pangea
盘古大陆的起源
- 批准号:
623-2009 - 财政年份:2009
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin and evolution of the south portuguese zone, southern iberia: implications for the amalgamations of pangea
伊比利亚南部葡萄牙南部地区的起源和演化:对盘古大陆合并的影响
- 批准号:
332195-2008 - 财政年份:2009
- 资助金额:
$ 7.2万 - 项目类别:
Postgraduate Scholarships - Doctoral
The origin and evolution of the paleozoic rheic ocean: implications for the amalgamation of pangea
古生代流域的起源和演化:对盘古大陆合并的影响
- 批准号:
623-2004 - 财政年份:2008
- 资助金额:
$ 7.2万 - 项目类别:
Discovery Grants Program - Individual
The origin and evolution of the south portuguese zone, southern iberia: implications for the amalgamations of pangea
伊比利亚南部葡萄牙南部地区的起源和演化:对盘古大陆合并的影响
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332195-2008 - 财政年份:2008
- 资助金额:
$ 7.2万 - 项目类别:
Postgraduate Scholarships - Doctoral