Collaborative Research: Uplift and faulting at the transition from subduction to collision - a field and modeling study of the Calabrian Arc

合作研究:从俯冲到碰撞过渡时的隆起和断层——卡拉布里亚弧的现场和建模研究

基本信息

  • 批准号:
    0607605
  • 负责人:
  • 金额:
    $ 4.06万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2006
  • 资助国家:
    美国
  • 起止时间:
    2006-08-01 至 2007-07-31
  • 项目状态:
    已结题

项目摘要

0607605ThomsonThe Mediterranean Sea is the location of a number of inactive or failing subduction systems. Confined between the slowly converging landmasses of Eurasia and Africa, the Mediterranean microplates and their subduction systems can move independently only for a limited time before a collision ensues and forces a reorganization of the system. Of the complex, retreating, stalling and foundering subduction zones of the Mediterranean, Calabria is one of the most intriguing. It continues to subduct oceanic lithosphere, yet convergence appears to have stalled and uplift appears to have accelerated in the Pleistocene. Modern uplift rates are some of the highest in the Adriatic subduction systems. This project will focus an array of modern analysis techniques (quaternary geochronology, geomorphology, sedimentology, structural geology, seismicity, thermochronology, and GPS geodesty) on this problem; first, by refining the observations of horizontal and vertical motions back through time and second, by linking these to geodynamic models of upper mantle, lithospheric and crustal deformation. The key will be to connect the surface observations to the underlying geodynamics.The Calabrian arc represents an outstanding example of subduction and continental platform collision leading to rapid uplift and deformation of the upper plate. Its small size makes it a tractable field laboratory in which to study processes important to all subduction zones, including analysis of the forces driving and resisting subduction and their manifestations on plate motion and surface uplift. The international PI team will integrate and extend the field observations and modeling necessary to (1) understand why Calabria is undergoing sustained rapid uplift, and (2) explore the implications for processes at depth. These surface and near-surface observations will be combined with analysis of the deeper structure provided by the previously funded CD CAT/SCAN passive seismic experiment. Understanding the puzzle of why Calabria is being uplifted and why it has slowed its horizontal motion has broad implications for the processes that drive and impede plate motions.
汤姆森地中海是许多不活跃或失灵的俯冲系统的所在地。地中海微板块及其俯冲系统被限制在欧亚大陆和非洲缓慢融合的大陆之间,在随后发生碰撞并迫使系统重组之前,只能独立运动一段有限的时间。在地中海复杂、后退、停滞和下沉的俯冲区中,卡拉布里亚是最耐人寻味的区域之一。它继续俯冲大洋岩石圈,但在更新世,会聚似乎停滞不前,抬升似乎加速。现代隆升速率是亚得里亚海俯冲系统中最高的。该项目将把一系列现代分析技术(第四纪地质年代学、地貌学、沉积学、构造地质学、地震活动性、热年代学和全球定位系统大地测量)集中在这个问题上;第一,通过改进过去对水平和垂直运动的观测,第二,通过将这些与上地幔、岩石圈和地壳变形的地球动力学模型联系起来。关键将是将地表观测与底层地球动力学联系起来。卡拉布里亚弧是俯冲和大陆平台碰撞导致上板块快速抬升和变形的突出例子。它的体积很小,是一个易于处理的野外实验室,可以在其中研究对所有俯冲带重要的过程,包括分析驱动和抵抗俯冲的力量及其在板块运动和地表抬升方面的表现。国际PI小组将整合和扩展必要的现场观测和模拟,以(1)了解卡拉布里亚持续快速抬升的原因,以及(2)探索对深部过程的影响。这些地表和近地表观测将与先前资助的CD CAT/SCAN被动地震实验提供的对深层结构的分析结合起来。理解卡拉布里亚为什么被抬升以及为什么它减缓了水平运动的谜团,对于驱动和阻碍板块运动的过程具有广泛的意义。

项目成果

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Stuart Thomson其他文献

Photophysical Characterisation of Perovskite Quantum Dots
  • DOI:
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Stuart Thomson
  • 通讯作者:
    Stuart Thomson
Imaging reflection IR spectroscopy as a tool to achieve higher integration for high-throughput experimentation in catalysis research.
成像反射红外光谱作为一种工具,可实现催化研究中高通量实验的更高集成度。
  • DOI:
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    P. Kubanek;O. Busch;Stuart Thomson;H. Schmidt;F. Schüth
  • 通讯作者:
    F. Schüth
Audit of the use and outcomes of GP direct access to ultrasound neck in Tayside
  • DOI:
    10.1016/j.bjoms.2016.11.042
  • 发表时间:
    2016-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    Laura Feeney;Stuart Thomson;Thiru Sudarshan;Kishore Shekar
  • 通讯作者:
    Kishore Shekar
Lobbying in the 21st Century
21 世纪的游说
  • DOI:
    10.1002/pa.127
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    S. John;Stuart Thomson
  • 通讯作者:
    Stuart Thomson
Interlaboratory development and proposition for a new quality control sample for chemical forensics analysis of chemical warfare agents
  • DOI:
    10.1016/j.talo.2023.100249
  • 发表时间:
    2023-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    Solja Säde;Grégoire Delaporte;Carlos G. Fraga;Hanna Hakulinen;Karin Höjer Holmgren;Marie Spiandore;Crister Åstot;Anuradha Akmeemana;Mirjam de Bruin-Hoegée;Justin Doward;Karen Jacques;Saiful Anuar Kesah;Samantha See;Stuart Thomson;Jens Flinck;Leena Kalliovirta;Paula Vanninen
  • 通讯作者:
    Paula Vanninen

Stuart Thomson的其他文献

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{{ truncateString('Stuart Thomson', 18)}}的其他基金

Collaborative Research: Ice sheet erosional interaction with hot geotherm in West Antarctica
合作研究:南极洲西部冰盖侵蚀与热地温的相互作用
  • 批准号:
    1917009
  • 财政年份:
    2019
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Standard Grant
Collaborative Research: Subduction below extreme sedimentation - A multidisciplinary transect from the Ganges-Brahmaputra Delta to the IndoBurma Backarc
合作研究:极端沉积作用下的俯冲——从恒河-雅鲁藏布江三角洲到印缅弧后的多学科横断面
  • 批准号:
    1713893
  • 财政年份:
    2017
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Continuing Grant
Collaborative Research: East Antarctic Glacial Landscape Evolution (EAGLE): A Study using Combined Thermochronology, Geochronology and Provenance Analysis
合作研究:东南极冰川景观演化(EAGLE):综合热年代学、地质年代学和起源分析的研究
  • 批准号:
    1443556
  • 财政年份:
    2016
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Standard Grant
COLLABORATIVE RESEARCH: Central Anatolian Tectonics (CD-CAT): Surface to mantle dynamics during collision to escape
合作研究:安纳托利亚中部构造(CD-CAT):碰撞逃逸过程中的地表到地幔动力学
  • 批准号:
    1109336
  • 财政年份:
    2011
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Continuing Grant
Acquisition of microscope and automated stage system for fission-track analysis
购买用于裂变径迹分析的显微镜和自动载物台系统
  • 批准号:
    0929922
  • 财政年份:
    2009
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Standard Grant
Collaborative Research: SGER: Triple-dating (Pb-FT-He) of Antarctic Detritus and the Origin of the Gamburtsev Mountains
合作研究:SGER:南极碎屑的三次测年(Pb-FT-He)和甘布尔采夫山脉的起源
  • 批准号:
    0816934
  • 财政年份:
    2008
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Standard Grant
Collaborative Research: Lithospheric Weakening, Deep Crustal Flow and the Initiation of Orogenesis at a Noncollisional Convergent Margin in the Andes
合作研究:安第斯山脉非碰撞汇聚边缘的岩石圈弱化、深部地壳流和造山作用的启动
  • 批准号:
    0635923
  • 财政年份:
    2007
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Standard Grant
Collaborative Research: Glacial Erosion in the Patagonian Andes: Testing the Buzzsaw
合作研究:巴塔哥尼亚安第斯山脉的冰川侵蚀:测试圆锯
  • 批准号:
    0447140
  • 财政年份:
    2005
  • 资助金额:
    $ 4.06万
  • 项目类别:
    Standard Grant

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