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Systematic Examination of Mantle Bouguer Gravity Anomalies and their Relationship to Spreading Rate and Ridge Segmentation

Systematic Examination of Mantle Bouguer Gravity Anomalies and their Relationship to Spreading Rate and Ridge Segmentation
地幔布格重力异常及其与扩张速率和脊分段关系的系统检验
批准号：
9117188
负责人：
James Cochran
金额：
$10.23万
依托单位：
Columbia University
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1992
资助国家：
美国
项目状态：
已结题
起止时间：
1992-07-01 至 1994-12-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9117188&HistoricalAwards=false
关键词：
SystematicExaminationMantleBouguerGravity

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英文摘要
This project will use gravity and bathymetry data from a large number of detailed surveys of ridge axes with spreading rates that vary by an order of magnitude to examine the spreading rate dependence of mantle bouguer anomalies at mid-ocean ridges crests. The spreading rate dependence of the along-axis segmentation of the ridge axis will be examined and the transition between patterns observed at slow-spreading ridges and fast-spreading ridges will be determined. The spreading rate dependence of isostasy and the support of ridge axis topography will also be examined.
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