Community Facility Support for Geochronology and Thermochronology at the Arizona LaserChron Center

亚利桑那 LaserChron 中心的地质年代学和热年代学社区设施支持

基本信息

  • 批准号:
    2050246
  • 负责人:
  • 金额:
    $ 88.51万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-06-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

Recent developments in geochronologic methods and instrumentation are revolutionizing many different aspects of Earth Science research. Some of the most exciting advances are being driven by Laser-Ablation ICP Mass Spectrometry (LA-ICPMS), which generates U-Th-Pb ages and complementary geochemical information rapidly, with micron-scale spatial resolution, and with the precision necessary to address a wide range of problems in Earth Science. The Arizona LaserChron Center (ALC) is a community facility that utilizes LA-ICPMS to determine U-Th-Pb ages, Hf isotope ratios, and trace element abundances from a variety of minerals that occur in sedimentary, igneous, and metamorphic rocks. We also utilize a dedicated Scanning Electron Microscope that generates the high-resolution and high-magnification images necessary for state-of-the-art micro-analysis. Primary goals of the ALC are to (1) generate U-Th-Pb ages, Hf isotope ratios, and trace element concentrations of the best precision, accuracy, and spatial resolution possible from LA-ICPMS, (2) provide opportunities for researchers from around the world (and especially NSF-supported scientists) to use our instruments and expertise to address geologic problems, (3) drive the development of new techniques and applications of geochronology, thermochronology, and petrochronology, (4) build new cyberinfrastructure for data acquisition, analysis, and archiving, and (5) use every aspect of facility operation as an opportunity to enhance expertise and diversity among geochronologists and users of geochronology. Research at the ALC is conducted in a highly collaborative mode, with ALC scientists providing assistance with all aspects of a project (from initial design of the study to final publication of results) and faculty members and students from other institutions visiting the lab to generate their own data and learn the theory and methodology of U-Th-Pb geochronology.Funding from this award will enable the ALC to facilitate the acquisition of geochronologic information in support of a large number of NSF-funded projects. These projects focus on generating new knowledge about the growth of continents, emergence of life, processes of mountain building, mechanisms and timing of volcanic eruptions, distribution of sediment through space and time, formation of mineral, energy, and water resources, and linkages between climate and tectonics. The ALC will also continue to help drive the development of numerous new analytical techniques, applications, and instruments, as well as the cyberinfrastructure needed to utilize and integrate the information generated. Educational activities will include hosting visits from several hundred faculty and student researchers per year, teaching short courses at annual meetings, developing materials that can be used in Earth Science courses, providing opportunities for non-scientists to learn about geochronology, creating new tools for displaying and interpreting geochronologic data, and driving the development of global databases that host U-Th-Pb geochronologic information.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
地质年代学方法和仪器的最新发展正在使地球科学研究的许多不同方面发生革命性的变化。一些最令人兴奋的进展是由激光烧蚀ICP质谱法(LA-ICPMS)驱动的,它可以快速生成U-Th-Pb年龄和补充地球化学信息,具有微米级的空间分辨率,并具有解决地球科学中广泛问题所需的精度。 亚利桑那州激光年代中心(ALC)是一个社区设施,利用LA-ICPMS来确定U-Th-Pb年龄,Hf同位素比值和微量元素丰度的各种矿物发生在沉积岩,火成岩和变质岩。我们还使用专用的扫描电子显微镜,可生成最先进的显微分析所需的高分辨率和高放大率图像。ALC的主要目标是(1)从LA-ICPMS中获得最佳精度、准确度和空间分辨率的U-Th-Pb年龄、Hf同位素比值和痕量元素浓度,(2)为来自世界各地的研究人员提供机会(特别是国家科学基金会支持的科学家)利用我们的仪器和专业知识来解决地质问题,(3)推动地质年代学、热年代学和岩石年代学的新技术和应用的发展;(4)建立新的数据采集、分析和存档的网络基础设施;(5)利用设施运行的各个方面作为提高地质年代学家和地质年代学用户的专业知识和多样性的机会。ALC的研究以高度协作的模式进行,ALC科学家为项目的各个方面提供帮助(从研究的最初设计到结果的最终发布)以及来自其他机构的教师和学生访问实验室,以生成自己的数据并学习U-Th的理论和方法,铅地质年代学。该奖项的资金将使ALC能够促进地质年代学信息的获取,以支持大量NSF资助的项目。这些项目的重点是产生关于大陆生长、生命出现、造山过程、火山爆发的机制和时间、沉积物在空间和时间上的分布、矿物、能源和水资源的形成以及气候和构造之间的联系的新知识。ALC还将继续帮助推动开发许多新的分析技术、应用程序和仪器,以及利用和整合所产生信息所需的网络基础设施。教育活动将包括每年接待数百名教职员工和学生研究人员的访问,在年会上教授短期课程,开发可用于地球科学课程的材料,为非科学家提供学习地质年代学的机会,创造显示和解释地质年代学数据的新工具,并推动全球数据库的发展,该奖项反映了NSF的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Evidence for regionally continuous Early Cretaceous sinistral shear zones along the western flank of the Coast Mountains, coastal British Columbia, Canada
加拿大不列颠哥伦比亚省沿海海岸山脉西侧早白垩世左旋剪切带区域连续的证据
  • DOI:
    10.1130/ges02502.1
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    2.5
  • 作者:
    Wang, Jordan W.;Gehrels, George;Kapp, Paul;Sundell, Kurt
  • 通讯作者:
    Sundell, Kurt
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George Gehrels其他文献

Late Cretaceous porphyry copper mineralization in Sonora, Mexico and the implications for the evolution of the SW North America porphyry copper deposit Province
  • DOI:
    10.1016/j.gca.2006.06.1239
  • 发表时间:
    2006-08-01
  • 期刊:
  • 影响因子:
  • 作者:
    Victor A. Valencia;Joaquin Ruiz;George Gehrels;Fernando Barra;Benito Noguez-Alcantara
  • 通讯作者:
    Benito Noguez-Alcantara

George Gehrels的其他文献

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{{ truncateString('George Gehrels', 18)}}的其他基金

Collaborative Research: RUI: Continental-Scale Study of Jura-Cretaceous Basins and Melanges along the Backbone of the North American Cordillera-A Test of Mesozoic Subduction Models
合作研究:RUI:北美科迪勒拉山脊沿线汝拉-白垩纪盆地和混杂岩的大陆尺度研究——中生代俯冲模型的检验
  • 批准号:
    2346565
  • 财政年份:
    2024
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
Collaborative Research: A new appraisal of tectonic mobility in the northern Cordillera using connections between the Coast Mountains batholith and Alberta foreland basin
合作研究:利用海岸山脉岩基和阿尔伯塔前陆盆地之间的联系对北部科迪勒拉山脉的构造活动性进行新评估
  • 批准号:
    2142272
  • 财政年份:
    2022
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
Upgrade of the Scanning Electron Microscope Lab at the Arizona LaserChron Center
亚利桑那州 LaserChron 中心扫描电子显微镜实验室升级
  • 批准号:
    2153415
  • 财政年份:
    2022
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
Collaborative Research: Dating Deformation with Titanite
合作研究:用钛矿测定形变年代
  • 批准号:
    1928377
  • 财政年份:
    2019
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
MRI: Acquisition of a Noble Gas Multi-Collector Mass Spectrometer for Geochronology and Geochemistry Research
MRI:购买用于地质年代学和地球化学研究的惰性气体多接收器质谱仪
  • 批准号:
    1826921
  • 财政年份:
    2018
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
Jura-Cretaceous Sinistral Displacement of Terranes Along the Northern Cordilleran Margin
汝拉-白垩纪北科迪勒拉边缘地体左旋位移
  • 批准号:
    1818509
  • 财政年份:
    2018
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
Facility Support: Multi-User Facility Support for U-Th-Pb Geochronology and Complementary Isotope Geochemistry and SEM imaging at the Arizona LaserChron Center
设施支持:亚利桑那州 LaserChron 中心的 U-Th-Pb 地质年代学、互补同位素地球化学和 SEM 成像多用户设施支持
  • 批准号:
    1649254
  • 财政年份:
    2017
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Continuing Grant
Collaborative Research: Laurentian and Non-Laurentian (Baltican) Components of Terranes in NW Washington?
合作研究:华盛顿西北部地体的劳伦系和非劳伦系(波罗的海)成分?
  • 批准号:
    1242939
  • 财政年份:
    2014
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Standard Grant
Facility Support: Multi-User Facility Support for U-Th-Pb Geochronology and Complementary Isotope Geochemistry and SEM imaging at the Arizona LaserChron Center
设施支持:亚利桑那州 LaserChron 中心的 U-Th-Pb 地质年代学、互补同位素地球化学和 SEM 成像多用户设施支持
  • 批准号:
    1338583
  • 财政年份:
    2014
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Continuing Grant
Collaborative Research: Evaluating the Influence of Crustal Deformation on Episodic Magmatism: Southern Coast Mountains Batholith, British Columbia
合作研究:评估地壳变形对幕式岩浆作用的影响:不列颠哥伦比亚省南部海岸山脉基岩
  • 批准号:
    1347375
  • 财政年份:
    2014
  • 资助金额:
    $ 88.51万
  • 项目类别:
    Continuing Grant

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