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Viscous flow and crystallization behavior of tektite glasses (1980)

Uhlmann, D. R. ; Klein, L. C. ; Yinnon, H.

In: Other Sources

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Publication Date: 2011-08-18

Description: The variation of viscosity with temperature was determined in the 200-2000 K range for a Muong Nong tektite material. The viscosity at the liquidus temperature of 1320 C is 20,000 P; treatments between 900 and 1300 C do not result in significant crystallization in the natural sample except when the sample is heated in contact with a synthetic tektite composition. Two synthetic microtektite with lower SiO2 contents than the Muong Nong material were also examined; heat flow calculations were performed for 2.5 to 10 cm spheres of tektite when cooling by radiation.

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: Journal of Geophysical Research; 85; Oct. 10

Format: text

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