Collaborative Research: Controlled source seismic investigation of the top of the Yellowstone magmatic system
合作研究:黄石岩浆系统顶部的受控源地震调查
基本信息
- 批准号:1950328
- 负责人:
- 金额:$ 23.87万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-03-15 至 2023-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Among the most important mysteries regarding the Yellowstone volcanic system is whether it currently contains upper crustal magma with high enough melt fractions to be eruptible over human time scales. Prior imaging of the structure beneath Yellowstone caldera offers potentially conflicting evidence with some studies indicating magma that is unlikely to be eruptible and others indicating magma that is near the eruptible range but only present in isolated locations. These studies relied on relatively long wavelength sampling from natural seismic sources such as earthquakes. This project will use a controlled seismic source, a high-frequency vibrator truck, and hundreds of densely spaced seismic instruments to scrutinize the top of the Yellowstone magma reservoir, estimated to be about 4-8 km below the surface. This experiment will provide a new level on constraint on the melts at the top of the magma reservoir. Additionally, the project will gain insights on the distribution of hydrothermal fluids above the magma reservoir including their depth extent and the degree of subsurface connectivity among distinct geothermal basins at the surface. This project increases the involvement of younger generations of scientists in controlled source research projects, providing training in methods that are relevant to natural resource exploration industries. Two graduate students will be trained in applied seismic imaging. The investigators will engage with National Park personnel to advance informal education for Yellowstone’s approximately 4 million annual visitors.The project primarily seeks to test whether seismic velocities near the top of the Yellowstone magma reservoir are consistent with concentrations of magma approaching eruptible melt fractions. Additionally, it will investigate reservoirs and pathways for magmatic volatiles that influence upper crustal seismicity and the locations of distinct geothermal basins within the caldera. A new ability to address these questions will be provided by controlled source data collection with an array of 3-component receivers along two densely sampled transects whose locations are guided by prior passive source imaging studies. Controlled source reflection imaging and amplitude versus offset analysis are rarely possible above silicic magma reservoirs, because most are too small or lack road access directly above the reservoirs. In this case, favorable road transects exist above the magma reservoir inferred from passive source imaging with sparser arrays and lower frequencies. Prior estimates of melt fractions in the upper crustal reservoir vary widely, and the new survey will help clarify the potential presence and volume of eruptible magma using reflected wave amplitudes from controlled source P-to-P and P-to-S reflections. The combination of Vp and Vs constraints also has the potential to map subsurface accumulations of magmatic volatiles, which may provide new insights into the physical properties of the source regions of seismicity and deep underpinnings of distinct geothermal basins.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.
关于黄石火山系统最重要的谜团之一是,它目前是否含有足够高的熔融分数的上地壳岩浆,可以在人类的时间尺度上喷发。先前对黄石火山口下方结构的成像提供了可能相互矛盾的证据,一些研究表明岩浆不太可能喷发,另一些研究表明岩浆靠近喷发范围,但只存在于孤立的地点。这些研究依赖于从自然地震源(如地震)中采集的相对较长波长的样本。该项目将使用可控震源、高频振动器卡车和数百个密集分布的地震仪器来仔细检查黄石岩浆库的顶部,估计该岩浆库位于地表以下约4-8公里处。该实验将为岩浆库顶部熔体的约束提供一个新的水平。此外,该项目还将深入了解岩浆库上方热液的分布情况,包括其深度范围和地表不同地热盆地之间的地下连通程度。该项目使年轻一代的科学家更多地参与受控源研究项目,提供与自然资源勘探行业有关的方法方面的培训。两名研究生将接受应用地震成像方面的培训。调查人员将与国家公园的工作人员合作,为黄石公园每年约400万游客提供非正式教育。该项目主要旨在测试黄石岩浆库顶部附近的地震速度是否与接近可喷发熔融部分的岩浆浓度一致。此外,它还将调查影响上地壳地震活动的岩浆挥发物的储集层和路径,以及破火山口内不同地热盆地的位置。一个新的能力,以解决这些问题,将提供控制源数据收集与阵列的3分量接收器沿着两个密集采样的横断面,其位置是由以前的被动源成像研究指导。受控源反射成像和振幅与偏移距分析在岩浆储层上方几乎不可能,因为大多数岩浆储层太小或缺乏直接位于储层上方的道路。在这种情况下,有利的道路横断面存在以上的岩浆水库推断被动源成像稀疏阵列和较低的频率。先前对上地壳储层中熔体分数的估计差异很大,新的调查将有助于利用受控源P-to-P和P-to-S反射的反射波振幅来澄清可喷发岩浆的潜在存在和体积。Vp和Vs约束的组合也有可能映射地下积累的岩浆挥发物,这可能会提供新的见解的物理性质的震源地区的地震活动和深基础的不同的地热basines.This奖项反映了NSF的法定使命,并已被认为是值得通过评估使用基金会的智力价值和更广泛的影响审查标准的支持。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Resolving Continental Magma Reservoirs With 3D Surface Wave Tomography
利用 3D 表面波断层扫描解析大陆岩浆储层
- DOI:10.1029/2022gc010446
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Maguire, Ross;Schmandt, Brandon;Chen, Min;Jiang, Chengxin;Li, Jiaqi;Wilgus, Justin
- 通讯作者:Wilgus, Justin
Magma accumulation at depths of prior rhyolite storage beneath Yellowstone Caldera
- DOI:10.1126/science.ade0347
- 发表时间:2022-12
- 期刊:
- 影响因子:56.9
- 作者:R. Maguire;B. Schmandt;Jiaqi Li;Chengxin Jiang;Guoliang Li;J. Wilgus;Min Chen
- 通讯作者:R. Maguire;B. Schmandt;Jiaqi Li;Chengxin Jiang;Guoliang Li;J. Wilgus;Min Chen
Subduction Zone Interface Structure Within the Southern M W 9.2 1964 Great Alaska Earthquake Asperity: Constraints From Receiver Functions Across a Spatially Dense Node Array
南部 M W 9.2 1964 年阿拉斯加大地震凹凸带内的俯冲带界面结构:来自空间密集节点阵列接收器函数的约束
- DOI:10.1029/2022gl098334
- 发表时间:2022
- 期刊:
- 影响因子:5.2
- 作者:Onyango, Evans A.;Worthington, Lindsay L.;Schmandt, Brandon;Abers, Geoffrey A.
- 通讯作者:Abers, Geoffrey A.
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Brandon Schmandt其他文献
Revisiting the depth distribution of seismicity before and after the 2004–2008 eruption of Mount St. Helens
- DOI:
10.1016/j.jvolgeores.2022.107629 - 发表时间:
2022-10-01 - 期刊:
- 影响因子:
- 作者:
Han Zhang;Margaret Glasgow;Brandon Schmandt;Weston A. Thelen;Seth C. Moran;Amanda M. Thomas - 通讯作者:
Amanda M. Thomas
A sharp volatile-rich cap to the Yellowstone magmatic system
黄石岩浆系统顶部有一个尖锐的富挥发分盖层
- DOI:
10.1038/s41586-025-08775-9 - 发表时间:
2025-04-16 - 期刊:
- 影响因子:48.500
- 作者:
Chenglong Duan;Wenkai Song;Brandon Schmandt;Jamie Farrell;David Lumley;Tobias Fischer;Lindsay Lowe Worthington;Fan-Chi Lin - 通讯作者:
Fan-Chi Lin
Injection-induced basement seismicity beneath the Raton Basin: constraints from refined fault architectures and basin structure
拉顿盆地下方注入诱发的基底地震活动:来自精细断层结构和盆地结构的约束
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Ruijia Wang;E. Onyango;Brandon Schmandt;L. Worthington - 通讯作者:
L. Worthington
Brandon Schmandt的其他文献
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{{ truncateString('Brandon Schmandt', 18)}}的其他基金
Magmatic system structure and seismicity of the Three Sisters volcanic complex
三姐妹火山杂岩岩浆系统结构与地震活动
- 批准号:
2342525 - 财政年份:2024
- 资助金额:
$ 23.87万 - 项目类别:
Continuing Grant
Collaborative Research: High resolution passive seismic imaging beneath Valles Caldera
合作研究:Valles Caldera 下方的高分辨率被动地震成像
- 批准号:
2113315 - 财政年份:2021
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
EAGER: Lowering the detection threshold of Antarctic seismicity to reveal undiscovered intraplate deformation
EAGER:降低南极地震活动的检测阈值以揭示未被发现的板内变形
- 批准号:
2023355 - 财政年份:2020
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
Workshop on advancing integrative volcanology with community experiments: Albuquerque, NM, November 28-30, 2018
通过社区实验推进综合火山学研讨会:新墨西哥州阿尔伯克基,2018 年 11 月 28 日至 30 日
- 批准号:
1844345 - 财政年份:2018
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
From process to signal, a workshop to advance environmental seismology
从过程到信号,推进环境地震学研讨会
- 批准号:
1712077 - 财政年份:2017
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
CAREER: Mantle Seismic Structure Beneath North America and Evolving Seismcity in the Raton Basin
职业:北美下方的地幔地震结构和拉顿盆地不断演化的地震城
- 批准号:
1554908 - 财政年份:2016
- 资助金额:
$ 23.87万 - 项目类别:
Continuing Grant
High-resolution studies of seismicity and scattered wave imaging beneath Mt. St. Helens
圣海伦斯山下地震活动和散射波成像的高分辨率研究
- 批准号:
1520875 - 财政年份:2015
- 资助金额:
$ 23.87万 - 项目类别:
Continuing Grant
RAPID: Probing magma plumbing and seismicity beneath Mt. St. Helens with modern exploration industry seismometers
RAPID:利用现代勘探行业地震仪探测圣海伦斯山下方的岩浆管道和地震活动
- 批准号:
1445937 - 财政年份:2014
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
Collaborative Research: Is the Isabella anomaly a fossil slab or the foundered lithospheric root of the Sierra Nevada batholith?
合作研究:伊莎贝拉异常是一块化石板还是内华达山脉基岩沉没的岩石圈根部?
- 批准号:
1315856 - 财政年份:2013
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
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