Physics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ineps..99..133i&link_type=abstract
Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, Volume 99, Issue 1, pp.133-140
Physics
Pressure Calibration, Albite, Quartz-Coesite
Scientific paper
The high albite (Ab)⇄jadeite (Jd)+quartz(Q) reaction (1) and the quartz(Q)⇄coesite (Cs) transformation (2) have been determined within the temperature range of 1000-1100°C and 1000-1400°C respectively under variable pressures using an anvil-with-hole apparatus. The equilibrium curves for the two reactions as a function of P and T are as follows: P=-1·33+0·0296 T (reaction 1); P=18·949+0·0111 T(reaction 2). These two lines intersect at 31·1±0·5kb and 1096°C. The possibility of using an anvil-with-hole apparatus for conducting current investigations is discussed in this paper.
Ishbulatov Robert A.
Kosyakov Alexander V.
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