A Combined Structural-Petrological Analysis of the Origin and Role of Partial Melting in Orogens
造山带部分熔融的起源和作用的构造-岩石学联合分析
基本信息
- 批准号:9814669
- 负责人:
- 金额:$ 21.32万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1999
- 资助国家:美国
- 起止时间:1999-02-01 至 2003-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9814669Teyssier Partial melting in the core of orogens likely controls the rheology of the crust subsequent to crustal thickening. Geophysical observations suggest that the deep crust under active orogens, such as southern Tibet, is decoupled from the lithospheric mantle and the rigid upper crust. This deep crust probably has a low viscosity and is able to flow. This project is aimed at providing an observational database to these conceptual geodynamic models by study of migmatites associated with the Shuswap metamorphic core complex in the Canadian Cordillera. The work will determine the P-T time paths of the metamorphic rocks, locate partial melting on this path and determine pressure of emplacement. Textural and petrologic analysis will constrain the conditions of partial melting and will determine flow of the partially mullen crust from shape preferred orientations of minerals. Results will be useful in testing and refining models of orogenic collapse and extension.***
小行星9814669 造山带核部的部分熔融可能控制着地壳增厚后的地壳流变学。 地球物理观测表明,活动造山带下的地壳深部,如藏南,与岩石圈地幔和刚性上地壳是解耦的。 这种深层地壳可能具有低粘度,并且能够流动。 该项目旨在通过研究与加拿大科迪勒拉Shuswap变质核杂岩有关的混合岩,为这些概念性地球动力学模型提供观测数据库。 确定了变质岩的P-T时间轨迹,并在该轨迹上定位了部分熔融,确定了侵位压力。 结构和岩石学分析将限制部分熔融的条件,并将从矿物的形状优选取向确定部分马伦地壳的流动。 研究结果将有助于检验和完善造山带塌陷和伸展的模型。
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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Christian Teyssier其他文献
Finite strain analysis of the Zhangbaling metamorphic belt, SE China – Crustal thinning in transpression
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:
- 作者:
Qing Zhang;Scott Giorgis;Christian Teyssier; - 通讯作者:
Guatemala paleoseismicity: from Late Classic Maya collapse to recent fault creep
危地马拉古地震活动:从古典玛雅晚期崩溃到近期断层蠕动
- DOI:
10.1038/srep36976 - 发表时间:
2016-11-15 - 期刊:
- 影响因子:3.900
- 作者:
Gilles Brocard;Flavio S. Anselmetti;Christian Teyssier - 通讯作者:
Christian Teyssier
Orthorhombically arranged vein arrays
- DOI:
10.1016/0191-8141(94)90057-4 - 发表时间:
1994-08-01 - 期刊:
- 影响因子:
- 作者:
David L. Kirschner;Christian Teyssier - 通讯作者:
Christian Teyssier
Christian Teyssier的其他文献
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{{ truncateString('Christian Teyssier', 18)}}的其他基金
Collaborative Research: Ice sheet erosional interaction with hot geotherm in West Antarctica
合作研究:南极洲西部冰盖侵蚀与热地温的相互作用
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1916982 - 财政年份:2019
- 资助金额:
$ 21.32万 - 项目类别:
Standard Grant
Collaborative Research: Record of UHP Terrain Exhumation Preserved in Shear Zones of the Western Gneiss Region (Norway)
合作研究:西部片麻岩地区剪切带保存的超高压地形剥露记录(挪威)
- 批准号:
1827220 - 财政年份:2018
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$ 21.32万 - 项目类别:
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合作研究:自然界和实验中橄榄岩糜棱岩变形引起的水化
- 批准号:
1347309 - 财政年份:2014
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$ 21.32万 - 项目类别:
Standard Grant
Colliding Channels and Double Domes in Metamorphic Core Complexes
变质核复合体中的碰撞通道和双穹顶
- 批准号:
1050020 - 财政年份:2011
- 资助金额:
$ 21.32万 - 项目类别:
Standard Grant
Field and Numerical Analyses of the Thermal, Mechanical, and Fluid Evolution of Extensional Detachment Zones
伸展脱离带的热、机械和流体演化的现场和数值分析
- 批准号:
0838541 - 财政年份:2009
- 资助金额:
$ 21.32万 - 项目类别:
Continuing Grant
Gneiss Dome architecture: Investigation of Form and Process in the Fosdick Mountains, W. Antarctica
片麻岩圆顶建筑:南极洲西部福斯迪克山脉的形式和过程调查
- 批准号:
0337488 - 财政年份:2004
- 资助金额:
$ 21.32万 - 项目类别:
Standard Grant
SGER: A New Method for Determining the Paleoelevation of Orogens
SGER:确定造山带古海拔的新方法
- 批准号:
0412509 - 财政年份:2004
- 资助金额:
$ 21.32万 - 项目类别:
Standard Grant
Field-based Analysis of Diapiric and Channel Flow of Partially Molten Crust
部分熔融地壳底辟和河道流的现场分析
- 批准号:
0409776 - 财政年份:2004
- 资助金额:
$ 21.32万 - 项目类别:
Continuing Grant
Lithospheric Coupling At The Caribbean-South America Plate Boundary: Deformation And Exhumation Of Ductile Crust In Oblique Convergence
加勒比-南美板块边界岩石圈耦合:斜辐合中延性地壳的变形与折返
- 批准号:
0126166 - 财政年份:2002
- 资助金额:
$ 21.32万 - 项目类别:
Standard Grant
The Role of Fluid Flow in the Cooling of Metamorphic Core Complexes
流体流动在变质核复合体冷却中的作用
- 批准号:
0106953 - 财政年份:2001
- 资助金额:
$ 21.32万 - 项目类别:
Standard Grant
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