Petrogenesis of the Elephant Moraine A79001 meteorite: Multiple magma pulses on the shergottite parent body

McSween, Harry Y; Jarosewich, Eugene

doi:10.1016/0016-7037(83)90309-5

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Petrogenesis of the Elephant Moraine A79001 meteorite: Multiple magma pulses on the shergottite parent body

Author(s): Harry Y. McSween , Eugene Jarosewich

Publication date Created: August 1983

Publication date (Print): August 1983

Journal: Geochimica et Cosmochimica Acta

Publisher: Elsevier BV

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A Linear Programming and Least Squares Computer Method for Solving Petrologic Mixing Problems

THOMAS L. WRIGHT, PATRICK DOHERTY (1970)

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Crystallization and Layering of the Skaergaard Intrusion

R. M. NOYES, A McBirney (1979)

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Martian Gases in an Antarctic Meteorite?

D. BOGARD, P. Johnson (1983)

Significant abundances of trapped argon, krypton, and xenon have been measured in shock-altered phases of the achondritic meteorite Elephant Moraine 79001 from Antarctica. The relative elemental abundances, the high ratios of argon-40 to argon-36 (>/= 2000), and the high ratios of xenon-129 to xenon-132 (>/= 2.0) of the trapped gas more closely resemble Viking data for the martian atmosphere than data for noble gas components typically found in meteorites. These findings support earlier suggestions, made on the basis of geochemical evidence, that shergottites and related rare meteorites may have originated from the planet Mars.