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
作者： Geoffrey A. Abers , Bradley R. Hacker
DOI: 10.1002/2015GC006171
关键词: Seismic wave 、 Poisson distribution 、 MATLAB 、 Thermal expansion 、 Mantle (geology) 、 Element composition 、 Geophysics 、 Mineralogy 、 Geology 、 Software 、 Quartz
摘要: To interpret seismic images, rock velocities need to be calculated at elevated pressure and temperature for arbitrary compositions. This technical report describes an algorithm, software, data make such calculations from the physical properties of minerals. It updates a previous compilation Excel® spreadsheet includes new MATLAB® tools calculations. The database 60 mineral end-members all parameters needed estimate density elastic moduli many crustal mantle rocks conditions relevant upper few hundreds kilometers Earth. behavior α β quartz is treated as special case, owing its unusual Poisson's ratio thermal expansion that vary rapidly near α-β transition. MATLAB allow integration these into variety modeling analysis projects.
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