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The Influence of Ridge Geometry on Crustal Accretion at Ultra-Slow Spreading Rates: The SW Indian Ridge from 9 degrees to 23 degrees E

The Influence of Ridge Geometry on Crustal Accretion at Ultra-Slow Spreading Rates: The SW Indian Ridge from 9 degrees to 23 degrees E
山脊几何形状对超慢扩张速度下地壳增生的影响：东经 9 度至 23 度的西南印度洋山脊
批准号：
9907630
负责人：
Henry Dick
金额：
$79.67万
依托单位：
Woods Hole Oceanographic Institution
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2000
资助国家：
美国
项目状态：
已结题
起止时间：
2000-01-01 至 2004-12-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9907630&HistoricalAwards=false
关键词：
InfluenceRidgeGeometryCrustalAccretion

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中文摘要
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英文摘要
This is an integrated geochemical and geochemical investigation of crustal accretion, comparing two supersegments with strikingly different geometry along a 900-km section of the SW Indian Ridge from 10E to 23E. The objectives of the study are to determine the segmentation and gravity structure of the previously unmapped highly oblique ridge supersegment, and to obtain a representative sampling of the two supersegments to ascertain their geology, ridge architecture, and geochemistry, and how these have responded to dramatically diferent mantle upwelling rates and spreading geometry.
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Collaborative Research: Thin Crust Over The Marion Rise: Remelting The Gondwanan Mantle II
Documenting Dynamic Accretion in the Lower Ocean Crust: Ocean Drilling Holes U1473A and 735B, SW Indian Ridge
Tectonic & Petrologic Evolution of the Atlantis Bank Oceanic Core Complex
Travel Support for the 6th Orogenic Lherzolites Conference
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海外基金
南大西洋沃尔维斯海脊（Walvis Ridge)的构造属性及其与相邻被动大陆边缘的相互作用
  • 批准号：
    42176055
  • 项目类别：
    面上项目
  • 资助金额：
    60万元
  • 批准年份：
    2021
  • 负责人：
    李春峰
  • 依托单位：
    浙江大学