Collaborative Research: Lithosphere Structure and Evolution of the Rocky Mountain Transect of the Western U.S.: An Integrated Geological and Geophysical Investigation

合作研究:美国西部落基山脉横断面的岩石圈结构和演化:综合地质和地球物理调查

基本信息

  • 批准号:
    9614269
  • 负责人:
  • 金额:
    $ 53.88万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1997
  • 资助国家:
    美国
  • 起止时间:
    1997-12-15 至 2002-05-31
  • 项目状态:
    已结题

项目摘要

9614269 Keller This collaborative study is aimed at understanding the evolution of the lithosphere of the Rocky Mountain transect in the North American southwest. This transect is located at the juncture of two globally-unique tectonic regimes, each of fundamental importance for understanding continental tectonics and together representing an outstanding field laboratory for studies of continental lithosphere. First, a 1000 km wide juvenile Proterozoic orogenic belt records rapid accretion of continental materials from mantle sources and their assembly to southern Laurentia along NE-trending boundaries between 1.8 and 1.6 Ga. Second, the present high elevation of the SW in general and the Rocky Mountains in particular is the manifestation of Laramide, Tertiary, and still ongoing modification of Proterozoic Lithosphere that has resulted in a wide NW-trending mantle boundary zone between old, cold, high velocity mantle in the continental interior and hotter, lower velocity mantle in the western U.S. By examining the present-day lithospheric structure across ancient boundaries, the P.I.s hope to better understand the interplay between "active" and "passive" processes during lithospheric evolution. Their principal hypothesis is that lithospheric structures produced during assembly of the southwestern U.S. have profoundly influenced physical and chemical modification of the continental lithosphere during all subsequent magmatic and tectonic events, including those related to the ongoing reorganization of small-scale asthenospheric convection and replacement of lithosphere by asthenosphere. To test this hypothesis, they propose an integrated set of multi-scale experiments using state of the art geophysical, geological and geochemical techniques that, together, are designed to decipher lithosphere structure and evolution, and processes of lithosphere formation and deformation. ***
小行星9614269 这项合作研究的目的是了解北美西南部落基山脉样带岩石圈的演变。 该断面位于两个全球独特的构造体系的交界处,每个体系对于理解大陆构造都具有根本的重要性,并且共同代表了大陆岩石圈研究的杰出现场实验室。 首先,1000 km宽的幼年元古代造山带记录了1.8 - 1.6 Ga期间来自地幔源的大陆物质的快速增生,并沿沿着NE向边界向南劳伦提斯聚集。 第二,目前西南部的高海拔,特别是落基山脉,是Laramide,第三纪和仍在进行的元古代岩石圈改造的表现,这导致了大陆内部古老,寒冷,高速地幔和较热,通过研究跨越古代边界的现今岩石圈结构,PI希望更好地理解岩石圈演化过程中“主动”和“被动”过程之间的相互作用。 他们的主要假设是,在美国西南部的组装过程中产生的岩石圈结构深刻地影响了所有随后的岩浆和构造事件中大陆岩石圈的物理和化学修改,包括那些与小规模软流圈对流和软流圈替换岩石圈有关的正在进行的重组。 为了验证这一假设,他们提出了一套综合的多尺度实验,使用最先进的地球物理,地质和地球化学技术,旨在破译岩石圈结构和演化,以及岩石圈形成和变形的过程。 ***

项目成果

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George Keller其他文献

Does Higher Education Research Need Revisions?
高等教育研究需要修改吗?
  • DOI:
    10.1353/rhe.1998.0005
  • 发表时间:
    1998
  • 期刊:
  • 影响因子:
    0
  • 作者:
    George Keller
  • 通讯作者:
    George Keller
Modeling and Measuring Affordability as Fitness
将承受能力建模并衡量为适合度
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    0
  • 作者:
    George Keller
  • 通讯作者:
    George Keller
Higher Education Management: Challenges and Strategies
高等教育管理:挑战与策略
  • DOI:
    10.1007/978-1-4020-4012-2_12
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    0
  • 作者:
    George Keller
  • 通讯作者:
    George Keller
The New Importance of Academic Management
  • DOI:
    10.1016/s0002-9459(24)00937-9
  • 发表时间:
    1993-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    George Keller
  • 通讯作者:
    George Keller
Reflections on Higher Education Research
对高等教育研究的思考
  • DOI:
    10.1353/rhe.1989.0006
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    B. Townsend;George Keller;Kathryn M. Moore
  • 通讯作者:
    Kathryn M. Moore

George Keller的其他文献

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{{ truncateString('George Keller', 18)}}的其他基金

Student Conference Support: American Geophysical Union and Society of Exploration Geophysicists Workshop-Potential-field and Electromagnetic Methods Applied to Basin Studies
学生会议支持:美国地球物理联盟和勘探地球物理学家协会研讨会-位场和电磁方法应用于盆地研究
  • 批准号:
    1547726
  • 财政年份:
    2015
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Standard Grant
Collaborative Research: Geophysical Investigation of the Mid-Continent Rift System
合作研究:中部大陆裂谷系统地球物理调查
  • 批准号:
    1147761
  • 财政年份:
    2012
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant
Workshop on the Role of Controlled Source Seismology in the EarthScope Project; San Antonio, Texas; September 2007
受控源地震学在 EarthScope 项目中的作用研讨会;
  • 批准号:
    0750840
  • 财政年份:
    2007
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Standard Grant
ITR Collaborative Research: GEON: A Research Project to Create Cyberinfrastructure for the Geosciences
ITR 合作研究:GEON:为地球科学创建网络基础设施的研究项目
  • 批准号:
    0724265
  • 财政年份:
    2006
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant
Collaborative Research: Understanding the Causes of Continental Intraplate Tectonomagmatism: A Case Study in the Pacific Northwest
合作研究:了解大陆板内构造岩浆作用的原因:太平洋西北地区的案例研究
  • 批准号:
    0641515
  • 财政年份:
    2006
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant
Collaborative Research: Understanding the Causes of Continental Intraplate Tectonomagmatism: A Case Study in the Pacific Northwest
合作研究:了解大陆板内构造岩浆作用的原因:太平洋西北地区的案例研究
  • 批准号:
    0506972
  • 财政年份:
    2005
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant
Upgrade of a Pool of Highly Portable Seismic Recorders for Use by the Seismological Community
升级供地震界使用的高度便携式地震记录仪池
  • 批准号:
    0521644
  • 财政年份:
    2005
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Standard Grant
ITR Collaborative Research: GEON: A Research Project to Create Cyberinfrastructure for the Geosciences
ITR 合作研究:GEON:为地球科学创建网络基础设施的研究项目
  • 批准号:
    0225670
  • 财政年份:
    2002
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant
Collaborative Research: US-EAGLE (Ethiopia-Afar Grand Lithospheric Experiment): Modification of Lithospheric Structure During Continental Break- Up
合作研究:US-EAGLE(埃塞俄比亚-阿法尔大岩石圈实验):大陆破裂期间岩石圈结构的改变
  • 批准号:
    0207878
  • 财政年份:
    2002
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant
ITR/IM+AP(GEO)Collaborative Project-Creation of a Geospatial Data System for the Transition Zone Between the Colorado Plateau and Basin & Range Provinces (Geoinformatics in Act
ITR/IM AP(GEO)合作项目——为科罗拉多高原和盆地之间的过渡区创建地理空间数据系统
  • 批准号:
    0112968
  • 财政年份:
    2001
  • 资助金额:
    $ 53.88万
  • 项目类别:
    Continuing Grant

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Collaborative Research: Seismic Hazard, Lithosphere Hydration, and Double-Verging Structure of the Puerto Rico Subduction Zone: A Seismic Reflection and Refraction Perspective
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