Studying Eruptions and Lava Flows on Ontong Java Plateau with High-Precision Glass Chemistry
利用高精度玻璃化学研究翁通爪哇高原的喷发和熔岩流
基本信息
- 批准号:1132038
- 负责人:
- 金额:$ 19.18万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-08-15 至 2016-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Large igneous provinces, like the Snake River Plain in Washington State or the Deccan Traps of India, represent huge outpourings of basalt from the mantle and are prominent geologic features of the land and seafloor. Due to their immense size and the vast amount of reduced fluids and other volatiles they release upon eruption, these eruptive sequences have major impacts on local and global environmental and atmospheric conditions. The Ontong Java Plateau in the Pacific Ocean is one of these provinces and was erupted almost entirely underwater where it affected global ocean chemistry. This research develops novel new methods for determining the length, volume, duration, style, and depth of lava flow emplacement at Ontong Java. Samples of basaltic glasses from cores collected by the Ocean Drilling Program will be analyzed for volatile species (Cl, S, H2O, CO2) by very precise electron microprobe, FTIR, and laser ablation ICPMS. Major and trace elements will also be analyzed. Statistical methods will be used to determine if different samples are from the same flow field and/or eruption. Samples both within and between drill holes will be compared. Goals are to determine if individual lava flows can be traced hundreds of kilometers and to use this information to constrain lava flow size and emplacement rates. The broader impacts of the work include a large service-learning component that will engage undergraduates with K-12 students, as well as carry out an innovative simulated oceanographic voyage that will integrate research and education and impact over 100 undergraduates. In terms of other workforce development, a graduate student will be trained and students will be taken to professional society meetings to present the results of their work. Additional impacts include the fact that funds will be provided to an institution in an EPSCoR state (Oklahoma), international collaboration with German scientists, and the interlaboratory calibration of volatile data. Results of the work are complementary to those of the NSF-funded Ocean Drilling Program.
大型火成岩省,例如华盛顿州的蛇河平原或印度的Deccan陷阱,代表着地幔的巨大玄武岩,是土地和海底的重要地质特征。 由于它们的巨大尺寸以及喷发时释放的大量流体和其他挥发物,这些喷发序列对局部和全球环境和大气条件产生了重大影响。 太平洋的安大爪哇高原是其中一个省份之一,几乎完全在水下爆发了它影响了全球海洋化学。 这项研究开发了新的新方法,用于确定Ontong Java的熔岩流量扩展的长度,体积,持续时间,样式和深度。 通过非常精确的电子微探针,FTIR和激光消融ICPMS,将分析由海洋钻井程序收集的岩心的玄武岩玻璃样品(CL,S,H2O,CO2)。 主要和微量元素也将进行分析。 统计方法将用于确定不同样本是否来自同一流场和/或喷发。 将比较钻孔内外的样品。 目标是确定是否可以追溯到数百公里的单个熔岩流,并使用此信息来限制熔岩流量的尺寸和增压率。 这项工作的更广泛的影响包括一个大型的服务学习组成部分,该组件将与K-12学生互动,并进行创新的模拟海洋学航行,将整合研究和教育并影响100多个本科生。 在其他劳动力发展方面,将培训一名研究生,并将学生参加专业社会会议以介绍其工作结果。 其他影响包括以下事实:EPSCOR州(俄克拉荷马州)的机构,与德国科学家的国际合作以及挥发性数据的实验室间校准。 这项工作的结果与NSF资助的海洋钻探计划的结果互补。
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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Peter Michael其他文献
Peter Michael的其他文献
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{{ truncateString('Peter Michael', 18)}}的其他基金
Collaborative Research: Carbon-Helium-Argon Isotope Relations at High-3He/4He Hotspots and Implications for Mantle Dynamics
合作研究:高 3He/4He 热点的碳-氦-氩同位素关系及其对地幔动力学的影响
- 批准号:
1763259 - 财政年份:2018
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Examining Upper Mantle Volatile History Through Isotopic Variations of Carbon, Nitrogen, Hydrogen and Noble Gases in Undegassed Mid-Ocean Ridge Basalts
合作研究:通过未脱气的大洋中脊玄武岩中碳、氮、氢和稀有气体的同位素变化检查上地幔挥发历史
- 批准号:
1558802 - 财政年份:2016
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Mantle Volatiles in an Emerging Ocean Basin: H2O, CO2, and He & Ar Isotopes in Basalts from the Gulf of Aden Spreading Center System
合作研究:新兴洋盆中的地幔挥发物:H2O、CO2 和 He
- 批准号:
1259916 - 财政年份:2013
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Geochemical investigations of newly discovered back-arc spreading centers in the northeastern Lau Basin
合作研究:劳盆地东北部新发现的弧后扩张中心的地球化学调查
- 批准号:
0752256 - 财政年份:2008
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Origin of Crust and the Temporal and Spatial Scales of Mantle Melting at the Endeavour Segment, Juan de Fuca Ridge
合作研究:胡安德富卡海岭奋进段的地壳起源和地幔融化的时空尺度
- 批准号:
0623156 - 财政年份:2006
- 资助金额:
$ 19.18万 - 项目类别:
Continuing Grant
Mantle Heterogeneity and Melting and Magma Transport Beneath the Ultraslow-Spreading Gakkel Ridge: Evidence from Volatiles and Trace Elements
超慢速扩张的加克尔海脊下方的地幔异质性、熔融和岩浆输送:来自挥发物和微量元素的证据
- 批准号:
0425892 - 财政年份:2004
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Integrated Hydrothermal and Petrological Studies of the Eastern Lau Spreading Center
合作研究:东刘扩散中心的综合热液和岩石学研究
- 批准号:
0242902 - 财政年份:2004
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Chemical Geodynamics of the Galapagos Mantle Plume-Spreading Center System
合作研究:加拉帕戈斯地幔柱扩散中心系统的化学地球动力学
- 批准号:
0241478 - 财政年份:2003
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Development of Seafloor Sampling and Hydrothermal Detection Tools for Use in Ice-Covered Seas
开发用于冰层海洋的海底采样和热液探测工具
- 批准号:
0107767 - 财政年份:2001
- 资助金额:
$ 19.18万 - 项目类别:
Standard Grant
Collaborative Research: Mantle Melting and Crustal Genesis at the Slowest Spreading Rate: A Petrological investigation of Gakkel Ridge, Arctic Ocean
合作研究:最慢扩散速度下的地幔融化和地壳成因:北冰洋加克尔海脊的岩石学调查
- 批准号:
9911795 - 财政年份:2000
- 资助金额:
$ 19.18万 - 项目类别:
Continuing Grant
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