Hotspot dominated rifting: Volcanic island evolution and collateral geo-hazards resulting from cascading geodynamic processes - The instance of Sao Miguel (south-eastern Terceira Rift, Azores)
热点主导的裂谷:火山岛演化和级联地球动力学过程造成的附带地质灾害 - 以圣米格尔岛为例(亚速尔群岛特塞拉裂谷东南部)
基本信息
- 批准号:193862030
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2011
- 资助国家:德国
- 起止时间:2010-12-31 至 2015-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Sao Miguel is the biggest and most populated volcanic island of the Azores. The island is located on the south-eastern Terceira Rift, one of the plate-boundary hotspots of Eurasia. However, little is known about the structural evolution of the Sao Miguel section of the Terceira rift, nor about collateral geo-hazards. Based on a preliminary interpretation of an intense multi-parameter geophysical survey with RV Meteor in 2009 we intend to test, among others, the following hypotheses: 1. The sigmoidally shaped basin system in the vicinity of Sao Miguel represents a volcanically active leaky transform fault that links two extensional segments of rift. 2. Geo-risks result from cascading geodynamic processes like mantle diapirism (hotspot) and plate tectonics, earthquakes, plutonism and volcanism, than mass wasting, tsunami generation and escape of poisonous gas. Our project strives for a comprehensive understanding of the partly consecutive earth processes by imaging the three dimensional structure of the south-eastern Terceira Rift and and the mapping of resulting structures by being the first to combine under the same project a variety of data sources: wide-angle reflection / refraction seismic data, gravity, magnetics, multi-channel seismics, muti-beam and parametric sediment echosounding. The acting processes will be reconstructed by a “bottom-up” approach, starting with the analysis of the crust-mantle boundary and ending with the seafloor morphostructure.
圣米格尔是亚速尔群岛最大、人口最多的火山岛。该岛位于欧亚大陆板块边界热点之一的特塞拉裂谷东南部。然而,人们对特塞拉裂谷Sao Miguel段的构造演化以及附带的地质灾害知之甚少。根据对2009年RV Meteor密集的多参数地球物理调查的初步解释,我们打算检验以下假设,以及其他假设:1.Sao Miguel附近的Sigmoid型盆地系统代表一条火山活动的泄漏转换断层,连接两个伸展的裂谷段。2.地质风险是地幔底辟(热点)和板块构造、地震、深成岩和火山活动等层叠地球动力学过程的结果,而不是物质损耗、海啸和有毒气体逸出的结果。我们的项目通过对特雷塞拉裂谷东南部的三维结构进行成像,力求全面了解部分连续的地球过程,并通过在同一项目下首次将多种数据来源:广角反射/折射地震数据、重力、磁学、多道地震、多波束和参数沉积物测深结合在一起,绘制了由此产生的结构图。将以“自下而上”的方法重建作用过程,从分析壳-地幔边界开始,以海底地貌结构结束。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Characterisation of Seismicity of the Azores Archipelago: An Overview of Historical Events and a Detailed Analysis for the Period 2000–2012
亚速尔群岛地震活动特征:2000 年至 2012 年历史事件概述和详细分析
- DOI:10.1007/978-3-642-32226-6_8
- 发表时间:2015
- 期刊:
- 影响因子:0
- 作者:Hübscher;Lüdmann
- 通讯作者:Lüdmann
Crustal structure of the Eurasia–Africa plate boundary across the Gloria Fault, North Atlantic Ocean
横跨北大西洋格洛丽亚断层的欧亚非板块边界的地壳结构
- DOI:10.1093/gji/ggx050
- 发表时间:2017
- 期刊:
- 影响因子:2.8
- 作者:Batista;Hübscher;Terrinha;Matias;Afilhado;Lüdmann
- 通讯作者:Lüdmann
Morpho-structural evolution of a volcanic island developed inside an active oceanic rift: S. Miguel Island (Terceira Rift, Azores)
活跃海洋裂谷内发育的火山岛的形态结构演化:S米格尔岛(亚速尔群岛特塞拉裂谷)
- DOI:10.1016/j.jvolgeores.2015.04.011
- 发表时间:2015
- 期刊:
- 影响因子:2.9
- 作者:Sibrant;Hildenbrand;Marques;Boulesteix;Hübscher;Lüdmann;Coasta;Catalão
- 通讯作者:Catalão
Submarine explosive volcanism in the southeastern Terceira Rift/São Miguel region (Azores)
特塞拉裂谷/圣米格尔地区(亚速尔群岛)东南部的海底火山喷发
- DOI:10.1016/j.jvolgeores.2015.07.028
- 发表时间:2015
- 期刊:
- 影响因子:2.9
- 作者:Hübscher;Lüdmann
- 通讯作者:Lüdmann
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Professor Dr. Christian Hübscher其他文献
Professor Dr. Christian Hübscher的其他文献
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{{ truncateString('Professor Dr. Christian Hübscher', 18)}}的其他基金
Inversion tectonics at the northern margin of the North German Basin: Cretaceous to recent reactivation of Triassic normal faults (iTec-NGB)
北德盆地北缘的反转构造:白垩纪到三叠纪正断层的近期重新活动(iTec-NGB)
- 批准号:
465329435 - 财政年份:2021
- 资助金额:
-- - 项目类别:
Research Grants
The marine sector of the North German Basin and the Tornquist Zone: Structural evolution and fluid flow
北德盆地和托恩奎斯特区的海洋部分:构造演化和流体流动
- 批准号:
396852626 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
Buried Quaternary valleys in the south-western Baltic Sea (BurVal-Baltic)
波罗的海西南部埋藏的第四纪山谷(BurVal-Baltic)
- 批准号:
262442046 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Research Grants
Stratigraphy and tectonic overprint of carbonate and drift deposits in the south-western Mediterranean STRATEC (M69/1)
地中海西南部 STRATEC 碳酸盐岩和漂移沉积物的地层学和构造叠印 (M69/1)
- 批准号:
51359786 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Priority Programmes
Structural and geophysical characterization of the Messinian evaporites and their tectonic evolution in the Levant Basin
黎凡特盆地墨西拿蒸发岩的构造和地球物理特征及其构造演化
- 批准号:
29591041 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Marine geophysical investigation of Post-Permian to recent structural evolution of the western Baltic Sea
二叠纪后到波罗的海西部近期结构演化的海洋地球物理调查
- 批准号:
5367902 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Priority Programmes
Geophysik und Geologie im südöstlichen Mittelmeer (M 52/2)
地中海东南部的地球物理学和地质学(M 52/2)
- 批准号:
5382275 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Priority Programmes
Geophysik und Geologie im südöstlichen Mittelmeer - M52/2 -
地中海东南部的地球物理和地质学 - M52/2 -
- 批准号:
5291774 - 财政年份:2001
- 资助金额:
-- - 项目类别:
Priority Programmes
Tektonik der Conrad Ozeantiefe und quartäre Sedimentationsgeschichte im nördlichen Roten Meer und Golf von Aqaba (M 44/3, M 52/3)
红海北部和亚喀巴湾康拉德洋深部和第四纪沉积历史的构造(M 44/3、M 52/3)
- 批准号:
5265054 - 财政年份:2000
- 资助金额:
-- - 项目类别:
Priority Programmes
Core-Log-Seismic Integration at an iconic volcanic arc: Unravelling the spa-tio-temporal interplay of magmatism, tectonics, and mass wasting of the Christiana-Santorini-Kolumbo volcanic field (IODP Exp. 398)
标志性火山弧处的岩心-测井-地震一体化:揭示克里斯蒂安娜-圣托里尼-科伦坡火山田的岩浆作用、构造和质量消耗的时空相互作用(IODP Exp. 398)
- 批准号:
506199584 - 财政年份:
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
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