EAPSI:Structure and Deformation Rates of the North Canterbury Fold and Thrust Belt, South Island, New Zealand

EAPSI:新西兰南岛北坎特伯雷褶皱和冲断带的结构和变形率

基本信息

  • 批准号:
    1515058
  • 负责人:
  • 金额:
    $ 0.53万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Fellowship Award
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-06-01 至 2016-05-31
  • 项目状态:
    已结题

项目摘要

The project focuses on active faulting within the North Canterbury region of the South Island of New Zealand. The project will be conducted in collaboration with Dr. Philip Barnes, a marine geologist at New Zealand?s National Institute of Water and Atmospheric Research who has done extensive work studying offshore faults. In addition to expertise, Dr. Barnes will provide access to a large database of offshore seismic reflection data, which is used to make images of the subsurface. The project will involve interpretation of this data, which will complement ongoing work on nearby onshore faults. Interpretation will involve identifying active faults in the seismic images, modeling the relationship between faulting at depth and folding of overlying rocks, and estimating rates of fault slip. Results will be used to identify active faults that may cause future earthquakes. They will also improve understanding of how folding of rocks, which commonly occurs in association with faults, can be used to infer the location of and amount of slip on the faults. Seismic reflection data will be interpreted to reveal details of fault-related folds and the possible reactivation of basement normal faults. Fold kinematic models, particularly trishear, will be tested for their applicability to these structures and used to produce restored cross-sections. Offshore results will be combined with onshore cross-sections, based on previous geologic mapping, to produce sections across the entire fold and thrust belt and to calculate total shortening. Growth strata will be restored to calculate rates of deformation, including the rates of slip on active faults, and these will be used along with deformation rates derived from previously-dated marine terraces along the coast to estimate rates of shortening across the transects. Finally, shortening and shortening rate calculations will be compared to the predictions of models for plate-boundary deformation within the region. This award is funded in collaboration with the Royal Society of New Zealand.
该项目侧重于新西兰南岛北坎特伯雷地区的活动断层。该项目将与新西兰海洋地质学家Philip Barnes博士合作进行。他做了大量研究近海断层的工作。除了专业知识外,巴恩斯博士还将提供一个大型海上地震反射数据数据库的访问权限,该数据库用于制作地下图像。该项目将涉及对这些数据的解释,这将补充附近陆上断层的正在进行的工作。解释将包括在地震图像中识别活动断层,模拟深度断层与上覆岩石褶皱之间的关系,以及估计断层滑动率。结果将用于识别可能导致未来地震的活动断层。它们还将提高对通常与断层相关的岩石褶皱如何被用来推断断层的位置和滑动量的理解。地震反射数据的解释将揭示断层相关褶皱的细节和可能的基底正断层的重新激活。折叠运动学模型,特别是三剪模型,将测试其对这些结构的适用性,并用于产生恢复的横截面。根据之前的地质测绘,海上结果将与陆上剖面相结合,生成整个褶皱和冲断带的剖面,并计算总缩短量。将恢复生长地层,以计算变形率,包括活动断层的滑动率,这些将与以前沿海海洋阶地的变形率一起使用,以估计整个样带的缩短率。最后,将缩短和缩短速率计算结果与区域内板块边界变形模型的预测结果进行比较。该奖项是与新西兰皇家学会合作资助的。

项目成果

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David Oakley其他文献

Slip Inversion Along Inner Fore‐Arc Faults, Eastern Tohoku, Japan
日本东北东部沿弧前断层的滑动反转
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    C. Regalla;D. Fisher;E. Kirby;David Oakley;S. Taylor
  • 通讯作者:
    S. Taylor
サージ的混濁流によって形成されるサイクリックステップの特徴
浪涌浊流形成的循环阶跃特征
  • DOI:
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Donald M. Fisher;Satoshi Tonai;Yoshitaka Hashimoto;Naotaka Tomioka;David Oakley;田上高広・末岡茂・Kohn B.P.・福田将眞;藤田和典・森 勇・横川美和・Roberto Fernandez・Matt Czapiga・John Berens・Jeffrey Kwang・内藤健介・Gary Parker・泉 典洋・成瀬 元
  • 通讯作者:
    藤田和典・森 勇・横川美和・Roberto Fernandez・Matt Czapiga・John Berens・Jeffrey Kwang・内藤健介・Gary Parker・泉 典洋・成瀬 元
Online simulation for the operational management of inpatient beds
住院床位运营管理在线模拟
  • DOI:
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    David Oakley
  • 通讯作者:
    David Oakley
Numerical models for slip on the subduction interface motivated by field observations
由现场观测驱动的俯冲界面滑移数值模型
  • DOI:
    10.1130/l1008.1
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    D. Fisher;J. Hooker;David Oakley
  • 通讯作者:
    David Oakley
Structural geologic modeling and restoration using ensemble Kalman inversion
使用集合卡尔曼反演进行构造地质建模和恢复
  • DOI:
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    3.1
  • 作者:
    David Oakley;N. Cardozo;A. Vázquez;P. Røe
  • 通讯作者:
    P. Røe

David Oakley的其他文献

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