CAREER: Crystallization Kinetics in Volcanology
职业:火山学中的结晶动力学
基本信息
- 批准号:0449888
- 负责人:
- 金额:$ 53.58万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-01-15 至 2011-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In this CAREER award, experimental petrology techniques will be used to explore the dynamic chemical environments of magma chambers and volcanic conduits through studies of mass transport, reaction kinetics, and phase transformations. Crystallization of hydrous silicate melt at magma reservoir and conduit conditions will (1) monitor the evolution of the sizes, quantities, and shapes of crystal populations during decompression from magma chamber conditions, (2) address the crucial and persistent problem of nucleation phenomena, and (3) determine the mechanisms and rates of crystal growth, particularly at small cooling-driven and devolatilization-driven supersaturation. A key feature of these studies is the combination of experimental work with frontier analytical techniques in transmission electron microscopy and electron backscatter diffraction. The research is expected to rigorously test quantitative models of crystal size distribution evolution in closed systems and make a fundamental contribution toward deciphering magma transport history from the crystal textures of erupted rocks. The broader impacts of the proposed studies center around an integrated plan for scientific research and human resource development. A research experience program for K-12 teachers in volcano-petrology (RET/V-P) will provide an opportunity for teachers to participate in research activities with undergraduates and graduate students for six weeks during the summer. The goal is to achieve a collaborative lab group wherein undergraduate students pursue senior thesis research projects, graduate students gain leadership experience mentoring the undergraduates and teachers, teachers deepen their confidence and mastery of science content, and the ensemble benefits from exposure to different learning perspectives.
在这个CAREER奖,实验岩石学技术将用于探索岩浆房和火山管道的动态化学环境,通过研究质量传输,反应动力学和相变。 在岩浆库和管道条件下的含水硅酸盐熔体结晶将(1)监测从岩浆库条件减压期间晶体群体的大小、数量和形状的演变,(2)解决成核现象的关键和持久问题,以及(3)确定晶体生长的机制和速率,特别是在小的冷却驱动和脱挥发分驱动的过饱和度下。 这些研究的一个主要特点是结合实验工作与前沿分析技术,在透射电子显微镜和电子背散射衍射。 该研究预计将严格测试封闭系统中晶体粒度分布演化的定量模型,并为从喷发岩石的晶体结构中破译岩浆运输历史做出根本性贡献。 拟议研究的更广泛影响围绕着科学研究和人力资源开发的综合计划。 K-12教师在火山岩石学(RET/V-P)的研究经验计划将为教师提供一个机会,在夏季与本科生和研究生一起参加为期六周的研究活动。 我们的目标是实现一个协作实验室组,其中本科生追求高级论文研究项目,研究生获得领导经验,指导本科生和教师,教师加深他们的信心和掌握科学内容,合奏受益于接触不同的学习观点。
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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Julia Hammer其他文献
The Rheology of Three-Phase Lavas and Magmas
三相熔岩和岩浆的流变学
- DOI:
10.46427/gold2020.1465 - 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
E. Lev;J. Birnbaum;A. Whittington;B. Halverson;Julia Hammer;E. Llewellin - 通讯作者:
E. Llewellin
Vesicularity and Rheology of the Kīlauea 2018 Lava Flows
基拉韦厄火山 2018 年熔岩流的气泡性和流变性
- DOI:
10.46427/gold2020.933 - 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
B. Halverson;A. Whittington;Julia Hammer;R. deGraffenried;E. Lev;H. Dietterich;M. Patrick;C. Parcheta;B. Carr;M. Zoeller;F. Trusdell;E. Llewellin - 通讯作者:
E. Llewellin
Re-evaluating the diffusivity of phosphorus in olivine: Implications of low diffusive mobility for thermochronology
- DOI:
10.1016/j.gca.2024.08.025 - 发表时间:
2024-12-01 - 期刊:
- 影响因子:
- 作者:
William Nelson;Julia Hammer;Thomas Shea - 通讯作者:
Thomas Shea
Julia Hammer的其他文献
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{{ truncateString('Julia Hammer', 18)}}的其他基金
NSF/GEO-NERC: Collaborative Research: Multi-scale investigation of rheology and emplacement of multi-phase lava
NSF/GEO-NERC:合作研究:流变学和多相熔岩安置的多尺度研究
- 批准号:
1929119 - 财政年份:2019
- 资助金额:
$ 53.58万 - 项目类别:
Standard Grant
Collaborative Research: Elucidating the Role of Titanomagnetite in Vesiculation of Silicic Magmas
合作研究:阐明钛磁铁矿在硅质岩浆泡化中的作用
- 批准号:
1839230 - 财政年份:2019
- 资助金额:
$ 53.58万 - 项目类别:
Continuing Grant
Collaborative Research: Experimental Investigation of Magmatic Processes at Volcan Quizapu
合作研究:基扎普火山岩浆过程的实验研究
- 批准号:
1347887 - 财政年份:2014
- 资助金额:
$ 53.58万 - 项目类别:
Continuing Grant
Experimental and Microanalytical Study of Dendritic Crystal Growth in CMAS and Basaltic Magma
CMAS 和玄武岩浆中枝晶生长的实验和显微分析研究
- 批准号:
1220084 - 财政年份:2012
- 资助金额:
$ 53.58万 - 项目类别:
Standard Grant
Experimental Insights into Crystallization of Hydrous Basaltic Andesite
含水玄武质安山岩结晶的实验见解
- 批准号:
0948728 - 财政年份:2010
- 资助金额:
$ 53.58万 - 项目类别:
Standard Grant
Acquisition of equipment for an experimental petrology laboratory
为实验岩石学实验室购置设备
- 批准号:
0236564 - 财政年份:2003
- 资助金额:
$ 53.58万 - 项目类别:
Standard Grant
Constraints on the Crystallization of Degassing Magmas: An Experimental Study of Crystal Nucleation and Growth Kinetics
脱气岩浆结晶的约束:晶体成核和生长动力学的实验研究
- 批准号:
0234071 - 财政年份:2002
- 资助金额:
$ 53.58万 - 项目类别:
Standard Grant
Constraints on the Crystallization of Degassing Magmas: An Experimental Study of Crystal Nucleation and Growth Kinetics
脱气岩浆结晶的约束:晶体成核和生长动力学的实验研究
- 批准号:
0087463 - 财政年份:2001
- 资助金额:
$ 53.58万 - 项目类别:
Standard Grant
Earth Sciences Postdoctoral Research Fellowship Award
地球科学博士后研究奖学金
- 批准号:
9805680 - 财政年份:1998
- 资助金额:
$ 53.58万 - 项目类别:
Fellowship Award
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