Collaborative Research: Tectonic Links, Magma Fluxes, and Single Mineral Geochemistry in Plutonic Systems From 5-30 km Depth, Cascades Core, Washington
合作研究:5-30 公里深度的深成系统中的构造联系、岩浆通量和单一矿物地球化学,Cascades Core,华盛顿
基本信息
- 批准号:0948616
- 负责人:
- 金额:$ 9.64万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-06-01 至 2014-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Collaborative Research: Tectonic links, magma fluxes, and single mineral geochemistry in plutonic systems from 5-30 km depth, Cascades core, WashingtonIntellectual Merit. Continental magmatic arcs are the site of massive additions of mantle derived magmas which serve to drive melting, thickening, and reorganization of the crust. Much of what we know about Cretaceous and older continental magmatic arcs results from studies of the physics and chemistry of plutonic rocks, and the derivative data strongly influence models of crustal growth and evolution. In contrast to modern arcs where single eruptive units may be analyzed, plutons record a much richer, albeit complex, history and represent a much greater percentage of the total magmatic flux than volcanic rocks alone. Critical questions concern how and at what rate intermediate composition magmas move through the crustal column, and how the crust accommodates these potentially large fluxes? Key to answering these questions is to understand how large masses of crystallized magmas or plutons and batholiths are constructed. To address these questions, collaborative research is proposed to better understand sub-arc magmatic plumbing systems. This project focuses on the roots of a continental magmatic arc in the North Cascades that comprises three well-exposed intrusive bodies emplaced at different depths in the crust. Integrated field mapping, structural analysis, mineral geochemistry, high-precision geochronology and coupled isotopic studies will be employed to [1] determine the degree to which plutons represent single magma batches or complex mixtures of partially crystallized magmas of different origins, [2] estimate magma flux rates and timescales for melt generation, transport, and eruption of intermediate composition magmas, and [3] evaluate potential linkages between regional tectonic strain and magma formation. This multidisciplinary collaborative research is expected to contribute significantly to understanding of magma plumbing systems and the formation of plutons in continental magmatic arcs.Broader Impacts. This research will support Ph.D. students at MIT and USC, and at least 2 M.S. students at SJSU, and multiple undergraduate student assistants at all 4 institutions. Bpth SJSU PIs have supervised 2 B.S. research projects supported by their most recent grants, and Paterson teaches a formal research class at USC that has involved 20 undergraduates in NSF-supported research. Graduate students from SJSU and USC will visit Kent's lab at OSU to conduct their own analyses, and the MIT graduate student will visit SJSU and assist in SHRIMP analyses. Four M.S. students at SJSU have gone to MIT to carry out U-Pb dating under the tutelage of PI Bowring and his students, and this type of interaction is expected to continue. All of the PIs routinely incorporate their research in class lectures and use research samples in lab courses. Most importantly, The PI's are demonstrating to a large cross section of new students the power of strongly interdisciplinary and collaborative work.
合作研究:5-30千米深的深成岩系中的构造联系、岩浆流动和单矿物地球化学,华盛顿州喀斯喀兹岩芯。大陆岩浆弧是地幔岩浆大量增加的地方,这些岩浆有助于驱动地壳的熔融、增厚和重组。我们对白垩纪和更古老的大陆岩浆弧的大部分了解都来自于对深成岩的物理和化学研究,而派生数据强烈影响着地壳生长和演化的模型。与可以分析单个喷发单元的现代弧不同,深成岩记录了更丰富的历史,尽管复杂,并且比单独的火山岩记录的岩浆流量占总岩浆流量的比例要大得多。关键问题涉及中间成分岩浆如何以及以多大的速度通过地壳柱,以及地壳如何容纳这些潜在的大流量?回答这些问题的关键是了解大量结晶岩浆或深成岩浆和熔岩是如何构成的。为了解决这些问题,建议开展合作研究,以更好地了解弧下岩浆管道系统。该项目的重点是北喀斯喀兹大陆岩浆弧的根部,它由三个暴露良好的侵入体组成,侵入体位于地壳的不同深度。综合野外填图、构造分析、矿物地球化学、高精度地质年代学和耦合同位素研究将被用来[1]确定深成岩浆代表不同来源的单一岩浆批次或部分结晶岩浆的复杂混合物的程度,[2]估计熔体产生、迁移和喷发的岩浆通量速率和时间尺度,以及[3]评估区域构造应变和岩浆形成之间的潜在联系。这项多学科的合作研究有望为理解岩浆管道系统和大陆岩浆弧中深成岩的形成做出重大贡献。这项研究将支持麻省理工学院和南加州大学的博士生,至少两名上海州立大学的硕士研究生,以及所有四所院校的多名本科生助理。BPTH SJSU PIs已经监督了2个由他们最近的拨款支持的理工科研究项目,Paterson在南加州大学教授了一个正式的研究课程,有20名本科生参与了NSF支持的研究。来自上海州立大学和南加州大学的研究生将参观肯特在俄亥俄州立大学的实验室进行自己的分析,而麻省理工学院的研究生将访问上海州立大学并协助进行虾类分析。上海州立大学的四名硕士学生已经前往麻省理工学院,在皮博林和他的学生的指导下进行U-Pb测年,这种类型的互动预计将继续下去。所有的私人助理都会常规地将他们的研究纳入课堂讲课,并在实验室课程中使用研究样本。最重要的是,PI正在向一大批新生展示强烈的跨学科和协作工作的力量。
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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Adam Kent其他文献
Did the Hiawatha Light Rail Line Increase Single-Family Residential Property Values ?
海华沙轻轨线是否增加了单户住宅的房产价值?
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:0
- 作者:
Adam Kent;Joseph Parilla - 通讯作者:
Joseph Parilla
Comment on ‘The magmatic architecture and evolution of the Chang’e-5 lunar basalts’
评《嫦娥五号月球玄武岩的岩浆结构与演化》
- DOI:
10.1016/j.jsames.2023.104505 - 发表时间:
2023 - 期刊:
- 影响因子:1.8
- 作者:
P. Wieser;Christy Till;Adam Kent;Matthew Gleeson - 通讯作者:
Matthew Gleeson
Federal Expenditures on Pre-Kindergarteners and Kindergarteners in 2008 (Ages 3 through 5)
- DOI:
- 发表时间:
2010-04 - 期刊:
- 影响因子:0
- 作者:
Adam Kent - 通讯作者:
Adam Kent
Adam Kent的其他文献
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{{ truncateString('Adam Kent', 18)}}的其他基金
Cascade21: A workshop to catalyze and synthesize understanding of the role of magmatism in an archetype continental arc
Cascade21:催化和综合理解岩浆作用在原型大陆弧中的作用的研讨会
- 批准号:
2025606 - 财政年份:2020
- 资助金额:
$ 9.64万 - 项目类别:
Standard Grant
Collaborative Research: Synthesizing arc-scale geochemical, petrologic, and geophysical datasets to investigate causes of volcanic diversity in the Cascade Arc
合作研究:综合弧级地球化学、岩石学和地球物理数据集,研究喀斯喀特弧火山多样性的原因
- 批准号:
1948862 - 财政年份:2020
- 资助金额:
$ 9.64万 - 项目类别:
Continuing Grant
GEOPRISMS Postdoctoral Scholar proposal: Unravelling monogenetic volcanism in the Cascades Volcanic Range
GEOPRISMS 博士后学者提案:解开喀斯喀特火山山脉的单生火山作用
- 批准号:
1850779 - 财政年份:2019
- 资助金额:
$ 9.64万 - 项目类别:
Standard Grant
Collaborative Research: The Tumalo Volcanic Center - Probing the Origin of Explosive Pleistocene Silicic Volcanism in Central Oregon
合作研究:图马洛火山中心 - 探索俄勒冈州中部更新世硅质火山爆发的起源
- 批准号:
1763639 - 财政年份:2018
- 资助金额:
$ 9.64万 - 项目类别:
Standard Grant
Collaborative research: Assessing changes in the state of a magma storage system over caldera-forming eruption cycles, a case study at Taupo Volcanic Zone, New Zealand
合作研究:评估火山口形成喷发周期中岩浆储存系统状态的变化,新西兰陶波火山区的案例研究
- 批准号:
1654275 - 财政年份:2017
- 资助金额:
$ 9.64万 - 项目类别:
Continuing Grant
Harrats Volcanic Activity and Evolution of the Lithosphere-Asthenosphere Boundary beneath Western Saudi Arabia
哈拉茨火山活动和沙特阿拉伯西部岩石圈-软流圈边界的演化
- 批准号:
1524675 - 财政年份:2015
- 资助金额:
$ 9.64万 - 项目类别:
Standard Grant
Collaborative Research: Quantifying the Thermal History of Crustal Magma Storage Through Crystal Records and Numerical Modeling
合作研究:通过晶体记录和数值模拟量化地壳岩浆储存的热历史
- 批准号:
1425491 - 财政年份:2014
- 资助金额:
$ 9.64万 - 项目类别:
Standard Grant
MARGINS: The Explosive Volcanic History of the Central Oregon Cascades: Probing the Changing State of the Neogene Cascade Arc
边缘:俄勒冈中部喀斯喀特火山爆发的历史:探索新近纪喀斯喀特弧的变化状态
- 批准号:
1144555 - 财政年份:2012
- 资助金额:
$ 9.64万 - 项目类别:
Standard Grant
Acquisition of Acquisition of laser ablation and quadrupole ICP-MS instrumentation for study of high-resolution records in Earth materials at Oregon State University
俄勒冈州立大学采购激光烧蚀和四极 ICP-MS 仪器,用于地球材料高分辨率记录的研究
- 批准号:
1028762 - 财政年份:2010
- 资助金额:
$ 9.64万 - 项目类别:
Continuing Grant
Collaborative Research: Timescales of Crystal Residence and Magma Mixing at Mount Hood, Oregon
合作研究:俄勒冈州胡德山水晶住宅和岩浆混合的时间尺度
- 批准号:
0838421 - 财政年份:2009
- 资助金额:
$ 9.64万 - 项目类别:
Continuing Grant
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Research on Quantum Field Theory without a Lagrangian Description
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- 项目类别:面上项目
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