Collaborative Research: High Pressure Experimental Melt Density

合作研究:高压实验熔体密度

基本信息

项目摘要

This research is a highly coordinated, multi-lab, collaborative effort to measure the density and compressibility of magmas that form during melting in the Earth's interior. The measurements will greatly advance our ability to predict the conditions under which magmas will rise buoyantly to the Earth's surface and erupt as lavas or form volcanoes. The measurements will also reveal the conditions and depths where magmas are too dense to rise to the surface, remaining either trapped by neutral buoyancy, or sinking further into our planet's deep interior. The experimental data will also provide new insight into the way in which the Earth was differentiated into crust, mantle, and core during its primordial formation stage. The collaborative effort combines experimental techniques that span the entire range of pressure and temperature conditions that exist for melting and magma production in the Earth. The highest pressures, simulating the deepest regions of Earth's mantle, will be done under dynamic compression at the Caltech Shockwave Laboratory, the intermediate pressures will be carried out under static compression in large presses at the University of New Mexico's High Pressure Laboratory, and the near-surface magmatic conditions will be studied in high temperature furnaces with ultrasonic techniques at the University of Michigan's Experimental Petrology Laboratory. The new data will lead to the development of an empirically-based equation of state and a model for multicomponent silicate melts. This model should allow precise characterization of the locations of crystal/melt density crossovers in the upper mantle, transition zone, lower mantle, and D" layer. This equation of state will be used in models of differentiation of a whole-mantle magma ocean or in defining the chemistry and dynamics of possible silicate melting at the modern core-mantle boundary. The investigators expect that the data will also provide the essential basis for development of next-generation melt models that encompass explicit speciation and/or non-ideal mixing terms. The data gathered under this proposal will be a precious resource for all future studies of melt properties and igneous differentiation at high pressure. Never before have such a wide range of techniques been applied to a common set of samples; together the complementary data sets will significantly enhance our understanding of magma physics within our planet.
这项研究是一项高度协调的多实验室合作努力,旨在测量地球内部熔化过程中形成的岩浆的密度和可压缩性。这些测量将极大地提高我们预测岩浆上升到地球表面并作为熔岩喷发或形成火山的条件的能力。测量还将揭示岩浆密度太大而无法上升到表面的条件和深度,它们要么被中性浮力捕获,要么进一步沉入我们星球的内部深处。实验数据还将为地球在原始形成阶段分化为地壳、地幔和地核的方式提供新的见解。这项合作努力结合了实验技术,涵盖了地球上存在的熔化和岩浆产生的整个压力和温度条件范围。模拟地幔最深区域的最高压力将在加州理工学院冲击波实验室的动态压缩下进行,中间压力将在新墨西哥州大学高压实验室的大型压力机中进行静态压缩,和近-在密歇根大学的实验室里,将用超声波技术在高温炉中研究地表岩浆的条件岩石学实验室新的数据将导致一个基于热力学的状态方程和多组分硅酸盐熔体模型的发展。该模型应允许精确表征上地幔、过渡带、下地幔和D”层中晶体/熔体密度交叉的位置。这个状态方程将被用于模型的分化的一个全地幔岩浆海洋或在定义化学和动力学可能的硅酸盐熔融在现代核幔边界。研究人员预计,这些数据还将为开发包含显式物种形成和/或非理想混合项的下一代融化模型提供重要基础。根据这一建议收集的数据将是一个宝贵的资源,所有未来的研究熔体性质和火成岩分化在高压下。以前从未将如此广泛的技术应用于一组共同的样本;这些互补的数据集将大大提高我们对地球内岩浆物理学的理解。

项目成果

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Rebecca Lange其他文献

Image and text relations in ISIS materials and the new relations established through recontextualisation in online media
ISIS 材料中的图像和文本关系以及通过在线媒体重新语境化建立的新关系
  • DOI:
    10.1177/1750481318766938
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    1.9
  • 作者:
    Peter F. Wignell;K. O’Halloran;Sabine Tan;Rebecca Lange;Kevin Chai
  • 通讯作者:
    Kevin Chai
The Role of Language in the Development of Number Concepts: Evidence From and Towards an Understanding of Oral Deaf Cognition
  • DOI:
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Rebecca Lange
  • 通讯作者:
    Rebecca Lange
Multimodal Recontextualisations of Images in Violent Extremist Discourse
暴力极端主义话语中图像的多模态重构
  • DOI:
    10.4324/9781315521015-12
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    K. O’Halloran;Sabine Tan;Peter F. Wignell;Rebecca Lange
  • 通讯作者:
    Rebecca Lange
Development of portable microfading spectrometers for measurement of light sensitivity of materials
开发用于测量材料光敏感性的便携式微衰落光谱仪
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Haida Liang;Rebecca Lange;Andrei Lucian;Paul Hyndes;Joyce H.TOWNSEND;S. Hackney
  • 通讯作者:
    S. Hackney
Matrix quality and habitat configuration interactively determine functional connectivity in a widespread bush cricket at a small spatial scale
基质质量和栖息地配置交互决定小空间尺度上广泛分布的灌木蟋蟀的功能连接
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    5.2
  • 作者:
    Rebecca Lange;T. Diekötter;Lisa A. Schiffmann;V. Wolters;W. Durka
  • 通讯作者:
    W. Durka

Rebecca Lange的其他文献

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{{ truncateString('Rebecca Lange', 18)}}的其他基金

Significant improvements in the development and application of olivine-melt thermometry and hygrometry: new experiments and analytical approaches
橄榄石熔体测温法和测湿法的开发和应用的重大改进:新实验和分析方法
  • 批准号:
    2125941
  • 财政年份:
    2021
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Continuing Grant
The Origin of Voluminous, Hydrous, High-SiO2 Rhyolites at Long Valley, CA: High-resolution Numerical Thermal Models and Dynamic, Hydrous Experiments
加利福尼亚州长谷大量含水高 SiO2 流纹岩的起源:高分辨率数值热模型和动态含水实验
  • 批准号:
    1855751
  • 财政年份:
    2019
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Standard Grant
Experimental Calibration of the Olivine-melt Ni Thermometer Under Hydrous Conditions: Applications to Hygrometry, Oxybarometry and Olivine Phenocryst Growth Rates
含水条件下橄榄石熔体镍温度计的实验校准:在湿度测定、氧压测定和橄榄石斑晶生长速率中的应用
  • 批准号:
    1551344
  • 财政年份:
    2016
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Standard Grant
Extension of the Plagioclase-liquid Hygrometer to Rhyolites and Sr and Ba Partitioning Studies: New Phase Equilibrium Experiments on Hydrous Rhyolite
斜长石液体湿度计扩展到流纹岩和 Sr 和 Ba 分配研究:含水流纹岩的新相平衡实验
  • 批准号:
    1250368
  • 财政年份:
    2013
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Continuing Grant
The Thermodynamic Properties of MgCO3-CaCO3-FeCO3-Na2CO3-K2CO3-Li2CO3 Liquids: New Measurements
MgCO3-CaCO3-FeCO3-Na2CO3-K2CO3-Li2CO3 液体的热力学性质:新测量
  • 批准号:
    0711209
  • 财政年份:
    2007
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Continuing Grant
SOTA 2007 and GSA Field Forum in Chile: Support for Graduate Student and Latin American Participation
智利 SOTA 2007 和 GSA 现场论坛:支持研究生和拉丁美洲参与
  • 批准号:
    0628364
  • 财政年份:
    2006
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Standard Grant
Frequency Sweep Acoustic Interferometry: Measurement of Silicate Melt Compressibility and Density at High Temperature and Pressure
扫频声干涉测量:高温高压下硅酸盐熔体压缩性和密度的测量
  • 批准号:
    0440097
  • 财政年份:
    2005
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Continuing Grant
Development of an ultrasonic acoustic interferometer for silicate liquids in an internally heated pressure vessel
开发用于内加热压力容器中硅酸盐液体的超声波声干涉仪
  • 批准号:
    0447113
  • 财政年份:
    2005
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Continuing Grant
Volcanic Time Scales, Eruption Rates, and Compositional Diversity at a Continental Arc
大陆弧的火山时间尺度、喷发率和成分多样性
  • 批准号:
    0409052
  • 财政年份:
    2004
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Continuing Grant
The K' of Highly Compressible Silicate Liquids: An Experimental Study
高可压缩硅酸盐液体的 K:实验研​​究
  • 批准号:
    0310079
  • 财政年份:
    2003
  • 资助金额:
    $ 31.77万
  • 项目类别:
    Standard Grant

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合作研究:NSF-BSF:压力之下:保卫细胞膨压的进化和被子植物的兴起
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