Physics
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984lpsc...14..641s&link_type=abstract
(American Geophysical Union and NASA, Lunar and Planetary Science Conference, 14th, Houston, TX, Mar. 14-18, 1983) Journal of Ge
Physics
2
Chondrites, Degassing, Meteoritic Composition, Chronology, Gas Pressure, Permeability, Porosity, Size (Dimensions), Meteorites, Parent Bodies, Outgassing, Chondrites, Calculations, Gases, Permeability, Ordinary Chondrites, Metamorphism, Enstatite, Volatiles, Concentration, Samples, Meteorite, Allan Hills Meteorites, Alha77231, Allende, Abee, Time Scale, Experiments, Procedure
Scientific paper
Gas permeability of three chondrites was measured. A typical time for degassing of a 100-km-radius parent body was calculated based on these permeability values. It was found that an ordinary chondrite parent body would act as an open system during the metamorphic period (100 m.y.), while an enstatite chondrite parent body would act as a closed system. The possibility that volatile element concentrations in chondrites are controlled by permeability is discussed.
Brar N. S.
Matsui Takafumi
Strangway David W.
Sugiura Norimasa
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