Central Anomaly Magnetization High: Constraints on the Volcanic Construction and Architecture of Young Upper Oceanic Crust EPR 9 degree - 10 degree N
中心异常磁化强度高:对年轻上洋壳火山构造和建筑的限制 EPR 9 度 - 10 度 N
基本信息
- 批准号:9819261
- 负责人:
- 金额:$ 57.35万
- 依托单位:
- 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
- 起止时间:2000-01-01 至 2006-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The objective of this project is to test the hypothesis that the near-bottom character of the Central Amonaly Magnetic High reflects both the width of the neovolcanic zone and the spatial distribution of lava emplacement on the fast spreading East Pacific Rise. Seismic data in the area show that layer 2A doubles in thickness within 1 to 2 km of the rise axis which suggests the possibility of lava disposition off-axis. This project seeks to verify the presence of off-axis lava depocenters and to establish the correlation between the shape of the magnetic anomaly and the distribution of lava emplacement. A detailed multi-sensor near-bottom survey will be conducted i tow 10x10 km areas located on the axis of the East Pacific Rise at 9 degrees 30 minutes north and at 9 degrees 50 minutes north. The autonomous vehicle ABE will collect high resolution magnetics data and near-bottom DSL-120 sidescan sonar will map the volcanic and tectonic features in the area. The ROV Jason will be used to ground-truth seafloor lava contacts, and to collect samples.
该项目的目的是检验这一假设,即中央Amonaly磁高的近底特征既反映了新火山区的宽度,也反映了快速扩张的东太平洋海隆上熔岩侵位的空间分布。 该地区的地震数据表明,2A层在上升轴1至2公里内的厚度增加了一倍,这表明熔岩可能离轴分布。 该项目旨在验证轴外熔岩沉积中心的存在,并建立磁异常形状与熔岩侵位分布之间的相关性。 将在位于东太平洋海隆轴线北纬9度30分和北纬9度50分的10 x10公里区域进行详细的多传感器近底调查。 自动驾驶汽车ABE将收集高分辨率的磁力数据,近海底DSL-120侧扫声纳将绘制该地区的火山和构造特征。 “杰森”号将用于地面实况海底熔岩接触,并收集样本。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Hans Schouten其他文献
A detailed magnetic study of the Reykjanes Ridge between 63°00′N and 63°40′N
- DOI:
10.1007/bf02266714 - 发表时间:
1990-08-01 - 期刊:
- 影响因子:2.200
- 作者:
Jean-Christophe Sempéré;Leo Kristjansson;Hans Schouten;James R. Heirtzler;G. Leonard Johnson - 通讯作者:
G. Leonard Johnson
Segmentation of the Mid-Atlantic Ridge between 24° N and 30°40' N
北大西洋中脊 24°N 至 30°40'N 之间的分段
- DOI:
10.1038/344427a0 - 发表时间:
1990-03-29 - 期刊:
- 影响因子:48.500
- 作者:
Jean-Christophe Sempéré;G. M. Purdy;Hans Schouten - 通讯作者:
Hans Schouten
Continuous seismic and magnetic profiles over the Mid Atlantic Ridge between 12° and 18°N
- DOI:
10.1007/bf00340031 - 发表时间:
1974-06-01 - 期刊:
- 影响因子:2.200
- 作者:
Bastiaan J. Collette;Kees Rutten;Hans Schouten;A. Peter Slootweg - 通讯作者:
A. Peter Slootweg
Structure of the Mid Atlantic Ridge province between 12° and 18°N
- DOI:
10.1007/bf00340032 - 发表时间:
1974-06-01 - 期刊:
- 影响因子:2.200
- 作者:
Bastiaan J. Collette;Hans Schouten;Kees Rutten;A. Peter Slootweg - 通讯作者:
A. Peter Slootweg
Geometry of transform zones
转换带的几何形状
- DOI:
10.1038/288470a0 - 发表时间:
1980-12-04 - 期刊:
- 影响因子:48.500
- 作者:
Hans Schouten;Jeff Karson;Henry Dick - 通讯作者:
Henry Dick
Hans Schouten的其他文献
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{{ truncateString('Hans Schouten', 18)}}的其他基金
Collaborative Research: The Transition from Rifting to Seafloor Spreading at the Western Tip of the Cocos-Nazca Rift
合作研究:科科斯-纳斯卡裂谷西端从裂谷到海底扩张的转变
- 批准号:
1558342 - 财政年份:2017
- 资助金额:
$ 57.35万 - 项目类别:
Standard Grant
Development of Detachment Faults at Intermediate Magma Supply
中岩浆源处拆离断层的发育
- 批准号:
1155650 - 财政年份:2012
- 资助金额:
$ 57.35万 - 项目类别:
Continuing Grant
Collaborative Research: Seismicity of the Equatorial Mid-Atlantic Ridge and Its Large Offset Transforms
合作研究:赤道大西洋中脊的地震活动及其大偏移距变换
- 批准号:
1062165 - 财政年份:2011
- 资助金额:
$ 57.35万 - 项目类别:
Standard Grant
Widespread Active Detachment Faulting and Core Complex Formation Near 13 Degrees 30'N on the Mid-Atlantic Ridge
大西洋中脊北纬 13 度 30 英尺附近广泛的活动拆离断层和核心复合体形成
- 批准号:
0649566 - 财政年份:2007
- 资助金额:
$ 57.35万 - 项目类别:
Standard Grant
Collaborative Research: Hydroacoustic Monitoring of Seismicity in the North Atlantic
合作研究:北大西洋地震活动的水声监测
- 批准号:
0136808 - 财政年份:2002
- 资助金额:
$ 57.35万 - 项目类别:
Continuing Grant
Geologic and Geophysical Evaluation of a New Mechanistic Model for the Opening of the Gulf of Mexico
墨西哥湾开放新机制模型的地质和地球物理评估
- 批准号:
9419472 - 财政年份:1995
- 资助金额:
$ 57.35万 - 项目类别:
Continuing Grant
Edge-Driven Kinematics of the Juan Fernandez Microplate
Juan Fernandez 微孔板的边缘驱动运动学
- 批准号:
9314169 - 财政年份:1993
- 资助金额:
$ 57.35万 - 项目类别:
Standard Grant
The Magnetic Axis: An Investigation of Near-Bottom Magnetic Data Reduction
磁轴:近底部磁数据缩减的研究
- 批准号:
9204121 - 财政年份:1992
- 资助金额:
$ 57.35万 - 项目类别:
Continuing Grant
Nature of the Paleomagnetic Field from an Analysis of MarineMagnetic Anomalies 1-3R
从海洋磁异常 1-3R 分析看古磁场的本质
- 批准号:
9296153 - 财政年份:1992
- 资助金额:
$ 57.35万 - 项目类别:
Standard Grant
Nature of the Paleomagnetic Field from an Analysis of MarineMagnetic Anomalies 1-3R
从海洋磁异常 1-3R 分析看古磁场的本质
- 批准号:
9019318 - 财政年份:1991
- 资助金额:
$ 57.35万 - 项目类别:
Standard Grant
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