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Cenozoic Timescale and Global Seafloor Speading

Cenozoic Timescale and Global Seafloor Speading
新生代时间尺度和全球海底扩张
批准号:
8811339
负责人:
Steven Cande
金额:
$11.01万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1988
资助国家:
美国
项目状态:
已结题
起止时间:
1988-08-01 至 1990-07-31

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中文摘要
翻译
将完成一个有限旋转极点数据库, 所有洋盆中各种脊段的新生代, 磁异常的异常基础。 古近纪极性 间隔长度将通过叠加和平均来确定 几组配置文件。 磁异常极性时标的修正 将从南大西洋的记录中获得, 磁性生物地层控制 其结果将有助于 全球板块结构的重建,海底生产 率,和地磁时间尺度的细化。 %%% 这项研究项目将使用磁记录的 大洋地壳来重建大型大洋板块 穿越时空 磁记录也将用于 通过一个大的分段确定海底生产率 地球的历史。 海底速率的标定 传播历史将被用来细化时间尺度, 确定了构造事件的时代。 这项研究将 对海洋生物学家如何确定 地球构造史
英文摘要
A database of finite rotation poles will be completed for the Cenozoic from a variety of ridge segments in all ocean basins on a magnetic anomaly by anomaly basis. The Paleogene polarity interval lengths will be determined by stacking and averaging sets of profiles. A revised magnetic anomaly polarity time scale will be derived from the South Atlantic records using available magneto-bio-stratigraphic control. The result will be useful for reconstruction of global plate constructions, seafloor production rates, and a refinement ofthe geomagnetic time-scale. %%% This research project will use the magnetic recording of the oceanic crust to reconstruct how the large oceanic plates have moved through time. The magnetic recording also will be used to determine the rate of seafloor production through a large segment of the earth's history. The calibration of the rates of seafloor spreading history will be used to refine the time-scale by which the ages of tectonic events are determined. The research will have a great impact on how marine geophysicists determine the earth's tectonic history.
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Plate kinematic constraints on driving forces associated with the Reunion plume head
Collaborative Research: Using plate circuits to constrain motion between East and West Antarctica
Collaborative Research: The Connection Between Mid-Cenozoic Seafloor Spreading and the Western Ross Sea Embayment
Collaborative Research: Collection of Marine Geophysical Data on Transits of the Nathaniel B. Palmer
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