Collaborative Research: Intracontinental Deformation and Surface Uplift: Geodynamic Evolution of the Hangay Dome, Mongolia, Central Asia
合作研究:陆内变形和地表隆起:中亚蒙古杭爱圆顶的地球动力学演化
基本信息
- 批准号:1009721
- 负责人:
- 金额:$ 22.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-09-01 至 2015-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Large relatively high-elevation surfaces with low relief are common onthe continents. Such uplifts have a significant impact on the geological record by influencing drainage networks and sediment supply, on climate by modifyingatmospheric circulation, and on biogeography and the biota. Work in geodynamics hasshown that such uplifts amount to a telling signature of mantle dynamics. Thus, theyprovide a means to discriminate among hypotheses about how the continental lithosphereand the deeper mantle interact through processes that result in uplift and mass transfer incontinental interiors. The Hangay Dome in central Mongolia provides an excellent andaccessible laboratory to investigate these processes and determine the degree to whichmantle upwelling, mafic underplating, lithospheric foundering or plume activity havebeen important agents in its uplift. This five-year project proposes to use the HangayDome as such a laboratory to coordinate studies of both the structure and state of thelithosphere and the sublithospheric mantle as well as the history of surface uplift andlandscape evolution. The project will involve observations and measurements made usingbroadband seismology, basalt and xenolith petrology and geochemistry, 40Ar/39Argeochronology, stable-isotope and vesicular-basalt paleoaltimetry, geomorphology and10Be geochronology, molecular genetics of divergent fish populations, and U-Th/He and4He/3He thermochronology. The Hangay Dome?s widespread exposures of basaltic lavas,which were erupted over the past 30 Ma across a broad range of elevations, will be key tothe integration of all these data. Dating of the basalts will enable linkage of petrologic databearing on basalt genesis and the nature of the Hangay-Dome mantle with studies thatuse the lavas as time markers for documenting landscape evolution and the history ofsurface uplift.
在大陆上,地势较低的高海拔大地表是很常见的。这种抬升通过影响排水网络和沉积物供应对地质记录产生重大影响,通过改变大气环流对气候产生重大影响,并对生物地理和生物群产生重大影响。地球动力学方面的研究表明,这种隆起相当于地幔动力学的一个有力标志。因此,它们提供了一种方法来区分关于大陆岩石圈和更深的地幔如何通过导致大陆内部隆起和质量传递的过程相互作用的假设。蒙古中部的汉盖巨蛋为研究这些过程提供了一个极好的、可接近的实验室,并确定地幔上升流、基性底沉积、岩石圈沉没或羽流活动在其隆起中的重要作用程度。这个为期五年的项目提议将HangayDome作为这样一个实验室,以协调岩石圈和岩石圈下地幔的结构和状态,以及地表隆起和景观演化的历史。该项目将涉及使用宽频地震学、玄武岩和捕虏体岩石学和地球化学、40Ar/ 39argeo年代学、稳定同位素和泡状玄武岩古高程、地形学和10be地质年代学、不同鱼类种群的分子遗传学、U-Th/He和4he /3He热年代学进行观测和测量。汉盖巨蛋?在过去的30万年里,大量的玄武岩熔岩在不同的海拔范围内喷发,这将是整合所有这些数据的关键。玄武岩的年代测定将使玄武岩成因的岩石学数据和汉盖穹幔的性质与使用熔岩作为记录景观演化和地表隆起历史的时间标记的研究联系起来。
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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C. Page Chamberlain其他文献
Natural isotope markers in salmon
鲑鱼中的天然同位素标记
- DOI:
10.1038/42835 - 发表时间:
1997-06-19 - 期刊:
- 影响因子:48.500
- 作者:
Brian P. Kennedy;Carol L. Folt;Joel D. Blum;C. Page Chamberlain - 通讯作者:
C. Page Chamberlain
The rise and growth of Tibet
西藏的兴起与发展
- DOI:
10.1038/439670a - 发表时间:
2006-02-08 - 期刊:
- 影响因子:48.500
- 作者:
Andreas Mulch;C. Page Chamberlain - 通讯作者:
C. Page Chamberlain
Cleanup procedure for contaminated oils prior to fingerprinting by gas chromatography and infrared spectroscopy
- DOI:
10.1007/bf01606085 - 发表时间:
1982-07-01 - 期刊:
- 影响因子:2.200
- 作者:
George M. Frame;George A. Flanigan;C. Page Chamberlain - 通讯作者:
C. Page Chamberlain
Extreme 34S depletions in ZnS at the Mike gold deposit, Carlin Trend, Nevada: Evidence for bacteriogenic supergene sphalerite
内华达州 Carlin Trend 迈克金矿床中 ZnS 中 34S 的极度消耗:细菌生成表生闪锌矿的证据
- DOI:
- 发表时间:
2003 - 期刊:
- 影响因子:0
- 作者:
Thomas M. Bawden;M. Einaudi;Benjamin C. Bostick;A. Meibom;J. Wooden;John W. Norby;Michael J.T. Orobona;C. Page Chamberlain - 通讯作者:
C. Page Chamberlain
The effect of net-transfer reactions on the isotopic composition of minerals
- DOI:
10.1007/bf00306542 - 发表时间:
1990-08-01 - 期刊:
- 影响因子:3.700
- 作者:
C. Page Chamberlain;John M. Ferry;Douglas Rumble - 通讯作者:
Douglas Rumble
C. Page Chamberlain的其他文献
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{{ truncateString('C. Page Chamberlain', 18)}}的其他基金
AGEP Research Universities Alliance Model: Advancing Minority Math, Physical Science, Environmental Science, and Engineering PhD Candidates and Postdoctoral Scholars to Faculty
AGEP 研究型大学联盟模式:促进少数族裔数学、物理科学、环境科学和工程博士生和博士后学者进入教师队伍
- 批准号:
2015049 - 财政年份:2020
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$ 22.7万 - 项目类别:
Continuing Grant
Surface Elevation History of the Northern North America Cordillera as Constraint for Eocene Tectonic and Climatic Boundary Conditions
北美洲北部科迪勒拉地表高程历史作为始新世构造和气候边界条件的约束
- 批准号:
1450357 - 财政年份:2015
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$ 22.7万 - 项目类别:
Continuing Grant
Collaborative Research: High-resolution Cretaceous terrestrial climate records of temperature, weathering and hydrologic response to hyperthermals in Songliao Basin, China
合作研究:中国松辽盆地高分辨率白垩纪陆地气候记录的温度、风化和水文对高温的响应
- 批准号:
1423967 - 财政年份:2014
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$ 22.7万 - 项目类别:
Standard Grant
AGEP-T-Collaborative Research: California Alliance for Graduate Education and the Professoriate
AGEP-T-合作研究:加州研究生教育联盟和教授
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1306595 - 财政年份:2013
- 资助金额:
$ 22.7万 - 项目类别:
Continuing Grant
Collaborative Research: Testing for Rapid Pulses of Crustal-scale Heat and Mass Transfer by Fluids in Metamorphic "Hot Spots", New Hampshire, USA
合作研究:测试美国新罕布什尔州变质“热点”中流体的地壳尺度传热传质快速脉冲
- 批准号:
0948102 - 财政年份:2010
- 资助金额:
$ 22.7万 - 项目类别:
Continuing Grant
Collaborative Research: Recovering Surface Uplift Histories and Climate Dynamics of the Cenozoic N. American Cordillera through Integrated Climate Modeling and Isotopic Studies
合作研究:通过综合气候模拟和同位素研究恢复新生代北美洲科迪勒拉的地表隆升历史和气候动态
- 批准号:
1019648 - 财政年份:2010
- 资助金额:
$ 22.7万 - 项目类别:
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Cenozoic Migration of Topography in the North American Cordillera Recorded in Coupled Basin-Detachment Systems
盆地-拆离系统耦合记录的北美科迪勒拉山脉新生代地形迁移
- 批准号:
0609649 - 财政年份:2006
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$ 22.7万 - 项目类别:
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Technician Support: Stanford/USGS Ion Microprobe Facility
技术人员支持:斯坦福大学/USGS 离子微探针设施
- 批准号:
0446541 - 财政年份:2005
- 资助金额:
$ 22.7万 - 项目类别:
Continuing Grant
Collaborative Research: Spatially Varying Topographic and/or Climatic History of the Sierra Nevada Mountains
合作研究:内华达山脉空间变化的地形和/或气候历史
- 批准号:
0309011 - 财政年份:2003
- 资助金额:
$ 22.7万 - 项目类别:
Continuing Grant
Radiogenic Osmium in the Earth's Mantle
地幔中的放射性锇
- 批准号:
0309414 - 财政年份:2003
- 资助金额:
$ 22.7万 - 项目类别:
Continuing Grant
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