Physics
Scientific paper
Oct 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974e%26psl..23..435s&link_type=abstract
Earth and Planetary Science Letters, vol. 23, no. 3, Oct. 1974, p. 435-438.
Physics
Feldspars, Glass, Lunar Rocks, Petrology, Apollo 16 Flight, Crystallization, Lunar Crust, Melting, Quenching (Cooling), Samples, Shock Heating, Temperature Effects
Scientific paper
The matrix of 77135 would not be a liquid at less than 1280 C, 1 atm pressure. The petrography and lack of evidence of crystallization in the 1280-1150 C interval suggest that the matrix is either a devitrified, shock-melted and supercooled glass, or a devitrified, depressurised liquid whose liquidus temperature had been depressed by the presence of a small amount of water at pressures attainable in the upper part of the lunar crust. Devitrification fronts would have advanced faster than 1 mm per minute in 77135 glass at 1050 C under lunar surface conditions.
Humphries D. J.
Ohara M. J.
Storey William Charles
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