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首页> 外文期刊>Geochemistry, geophysics, geosystems >A MATLAB toolbox and Excel workbook for calculating the densities, seismic wave speeds, and major element composition of minerals and rocks at pressure and temperature
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A MATLAB toolbox and Excel workbook for calculating the densities, seismic wave speeds, and major element composition of minerals and rocks at pressure and temperature

机译：MATLAB工具箱和Excel工作簿，用于计算压力和温度下矿物和岩石的密度，地震波速度以及主要元素组成

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摘要

To interpret seismic images, rock seismic velocities need to be calculated at elevated pressure and temperature for arbitrary compositions. This technical report describes an algorithm, software, and data to make such calculations from the physical properties of minerals. It updates a previous compilation and Excel((R)) spreadsheet and includes new MATLAB((R)) tools for the calculations. The database of 60 mineral end-members includes all parameters needed to estimate density and elastic moduli for many crustal and mantle rocks at conditions relevant to the upper few hundreds of kilometers of Earth. The behavior of and quartz is treated as a special case, owing to its unusual Poisson's ratio and thermal expansion that vary rapidly near the - transition. The MATLAB tools allow integration of these calculations into a variety of modeling and data analysis projects.
机译：为了解释地震图像，需要在升高的压力和温度下针对任意成分计算岩石地震速度。本技术报告介绍了一种算法，软件和数据，可根据矿物的物理性质进行此类计算。它更新了以前的编译和Excel（R）电子表格，并包括用于计算的新MATLAB（R）工具。由60个矿物末段成员组成的数据库包括估算与地球上数百公里有关的许多地壳和地幔岩石的密度和弹性模量所需的所有参数。由于石英的非寻常泊松比和热膨胀在-跃迁附近快速变化，因此其行为被视为特例。 MATLAB工具允许将这些计算集成到各种建模和数据分析项目中。

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