The episyenite northeast of Eup, Haute-Garonne, France, intruding the Triassic sedimentary cover on the eastern margin of the Barousse massif, is essentially composed of albite, barkevicite, and epidote, and is considered to have evolved from a berondrite. It is traversed by leucocratic veins, consisting almost exclusively of more or less dipyrized plagioclase, which represent an end stage in which the amphibole has disappeared. Chemical analyses are included.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page PDF preview
You do not currently have access to this article.