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Collaborative Research: The African Mantle, A Case Study of Seismic Structure, Composition and Dynamics

Collaborative Research: The African Mantle, A Case Study of Seismic Structure, Composition and Dynamics
合作研究:非洲地幔,地震结构、成分和动力学的案例研究
批准号:
0073643
负责人:
Stephen Grand
金额:
$7.9万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-10-01 至 2003-09-30

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中文摘要
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英文摘要
Grand, StephenEAR-0073643This project will conduct a joint study of seismic structure, composition and dynamics of the mantle, with a strategic focus on Africa. Combining seismic forward waveform modeling and travel time inversion, we will attempt to map the geometry, magnitude and sharpness of seismic anomalies throughout the mantle beneath Africa. With improved seismic models of the lower and upper mantle, we will also study the geodynamical and compositional aspects of mantle anomalies using other geophysical constraints, including geoid, topography at the Earth's surface and the core-mantle boundary, intra-plate stress, plate motions, and experimental results from mineral physics.
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