Open AccessMPET4: a computer program for coexisting garnet clinopyroxene-plagioclase-quartz geothermobarometry
Author(s) -
Harel Thomas
Publication year - 1998
Publication title -
journal of nepal geological society
Language(s) - English
Resource type - Journals
ISSN - 2676-1378
DOI - 10.3126/jngs.v18i0.32275
Subject(s) - anorthite , geothermobarometry , plagioclase , pyrope , almandine , diopside , geology , quartz , phenocryst , mineralogy , geochemistry , andradite , enstatite , physics , fluid inclusions , metamorphic rock , skarn , paleontology , meteorite , astronomy , chondrite
The paper deals with the computer program to calculate temperature (in °C) and pressure (in kbar) based on assemblages garnet-clinopyroxene-plagioclase-quartz, and following reactions:
(a) 1/3 Pyrope + Hedenbergite = 1/3 Almandine + Diopside,
(b) Anorthite + Diopside = 2/3 Grossularite + 1/3 Pyrope + Quartz,
(c) Anorthite + Hedenbergite = 2/3 Grossularite + 1/3 Almandine + Quartz.
The program is written in Microsoft Quick Basic for IBM XT/AT compatible machines running MS DOS Version 3.0 or higher. The user can acquire a copy of program by sending the author a 3.5"/5.25" DD/HD floppy diskette. The executable code of the computer program is MPET4.EXE.