EXPERIMENTAL DETERMINATION OF KYANITE-ANDALUSITE AND ANDALUSITE-SILLIMANITE EQUILIBRIA - ALUMINUM SILICATE TRIPLE POINT

被引：468

作者：

RICHARDS.SW

GILBERT, MC

BELL, PM

机构：

来源：

AMERICAN JOURNAL OF SCIENCE | 1969年 / 267卷 / 03期

关键词：

D O I：

10.2475/ajs.267.3.259

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Kyanite-andalusite and andalusite- sillimanite transitions have been experimentally bracketed by observation of reversals of polymorphic transitions in mixtures of appropriate pair of polymorphs; experiments were made in hydrostatic-medium pressure apparatus; only reactions that showed about 20% conversion or more were accepted as diagnostic; triple point occurs within polygon of experimental uncertainty around coordinates 5. 5 kb, 622 C; equations that best express univariant equilibrium boundaries, in terms of kilobars pressure and degrees Celsius temperature, are given.

引用

页码：259 / &

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