AMPHCAL: A quickbasic program for determining the amphibole name from electron microprobe analysis using the IMA rules

Abstract

Abstract The program AMPHCAL enables the user data entry, recalculation of chemical analyses from the electron microprobe analyses into amphibole structural formulae, determination of prefix, and classification of calculated results with specific names according to the current IMA guidelines. The program also permits the user four Al-in-hornblende geobarometers and amphibole-plagioclase geothermometer for certain types of calcic amphiboles. This program, written in QUICKBASIC, is menu-driven and easy to use on any IBM compatible microcomputers with VGA card. The compiled form of AMPHCAL is approximately 506 kilobytes.