PT  - JOURNAL ARTICLE
AU  - Sen, Sisir Kumar
TI  - Some consequences of ordering and unmixing in sodic plagioclases on epidote-plagioclase equilibrium in regionally metamorphosed rocks
AID  - 10.2475/ajs.261.8.786
DP  - 1963 Oct 01
TA  - American Journal of Science
PG  - 786--789
VI  - 261
IP  - 8
4099  - http://www.ajsonline.org/content/261/8/786.short
4100  - http://www.ajsonline.org/content/261/8/786.full
SO  - Am J Sci1963 Oct 01; 261
AB  - Relative to a paper by D. de Waard on compositional variation of plagioclases as a function of metamorphic zoning, discusses the effect of discontinuities in the plagioclase series on the epidote-plagioclase equilibriumdiagram and the selection of plagioclase compositions to mark the boundaries between different facies of regional metamorphism.