北大西洋Mohns洋中脊扩张地壳构造特征的研究

王立明; 胡毅; 张涛; 王瑜; 许江

doi:10.3969/j.issn.0253-4193.2014.10.006

北大西洋Mohns洋中脊扩张地壳构造特征的研究

doi: 10.3969/j.issn.0253-4193.2014.10.006

王立明¹,
胡毅¹,
张涛²,
王瑜³,
许江¹

1.
国家海洋局第三海洋研究所海洋与海岸地质环境开放实验室, 福建厦门 361005
2.
国家海洋局第二海洋研究所, 浙江杭州 310012
3.
厦门理工学院, 福建厦门 361005

基金项目: 南北极环境综合考察与评估专项（CHINARE2014-03-03，CHINARE2014-04-03-04）；国家自然科学青年基金项目（41204100）；福建省自然科学基金资助项目（2013J05059）；国家海洋局青年海洋科学基金（2013338）；国家海洋局第三海洋研究所基本科研业务费专项资金项目（海三科2011026）。

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出版历程
- 收稿日期: 2014-01-15
- 修回日期: 2014-08-07

Study on the characteristics of crustal structure in Mohns ridge expansion in the North Atlantic

1.
Coast and Ocean Environmental Geology Open Laboratory, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China
2.
Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
3.
Xiamen University of Technology, Xiamen 361005, China

摘要

摘要: 北大西洋Mohns洋中脊是很重要的扩张带。中国第五次北极科学考察的重点之一就是获取Mohns洋中脊的磁力数据。通过获得的磁力和以往的重力与地震资料，研究洋中脊的扩张、地壳构造特征及厚度。这些研究有助于更好地理解地球上重要的地质过程、海底扩张和壳幔相互作用。
- Mohns洋中脊 /
- 地壳构造 /
- 厚度 /
- 磁异常
Abstract: Mohns ridge in the north of Atlantic Ocean is a very important expansive band. One of the key for the Fifth Chinese National Arctic Research Expedition is to acquire the magnetic data on Mohns ridge. According to the magnetic,gravity and seismic data,the Mohns ridge expansion,characteristics of crustal structure and thickness are researched. These studies contribute to better understanding of the earth's geological process,seafloor spreading and crust mantle.
- Mohns ridge /
- crustal structure /
- thickness /
- magnetic anomaly

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参考文献(6)

Klingelhöfer F, Géli L, Matias L, et al. Crustal structure of a super-slow spreading centre: a seismic refraction study of Mohns Ridge, 72°N[J]. Geophys J Int, 2000, 141(2): 509-526.

Dauteuil O, Brun J P. Deformation partitioning in a slow spreading ridge undergoing oblique extension: Mohns Ridge, Norwegian Sea[J]. Tectonics, 1996, 15(4): 870-884.

Conley M M, Dunn R A. Seismic shear wave structure of the uppermost mantle beneath the Mohns Ridge[J]. Geochemistry Geophysics Geosystems, 2011, 12(10), doi: 10.1029/2011GC003792.

Blackman D K, Nishimura C E, Orcutt J A. Seismoacoustic recordings of a spreading episode on the Mohns Ridge[J]. Journal of Geophysical Research, 2000, 105(B5): 10961-10973.

Jung W Y, Vogt P R. A gravity and magnetic anomaly study of the extinct Aegir Ridge, Norwegian Sea[J]. Journal of Geophysical Research, 1997, 102(B3): 5065-5089.

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