Grady, coeditor northwest africa 1068 morocco found 2001 april martian meteorite basaltic shergottite in 2001 april, meteorite hunters of the. Martian meteorite basaltic shergottite description. Photograph of pieces of nwa 1110 probably paired with nwa 1068. Age and petrogenesis of picritic shergottite nwa1068. Despite its lack of fusion crust, nwa 1068 is relatively fresh, with only minor calcite and clay minerals present in cracks and along grain boundaries. Request pdf age and petrogenesis of picritic shergottite nwa1068. Media in category meteorites found in northwest africa the following 51 files are in this category, out of 51 total. Northwest africa 1068 martian meteorite nwa 1068 mindat. Petrography, mineral chemistry, and crystallization.
The trace elements demonstrate unambiguously that nwa 1068 is unpaired with. The in abundances of martian meteorites plot on an extension of the. Abstract we report on the petrology and chemistry of north west africa 1068 nwa 1068, a shergottite recently recovered in morocco. Experimental petrology, crystallization history, and parental magma. Meteorite nwa 1068 achondrite martian shergottite 1068. Pdf northwest africa nwa 8159 is an augiterich shergottite, with a mineralogy dominated by ca, ferich pyroxene, plagioclase, olivine.
Petrology and chemistry of the picritic shergottite north. These rocks have many characteristics suggestive of. Request pdf petrology and chemistry of the picritic shergottite north. This is 1 of 219 approved meteorites plus 1 unapproved name classified as martian. We report on the petrology and chemistry of north west africa 1068 nwa 1068, a shergottite recently recovered in morocco. Using the typical increases in the sr, ba, and pb abundances observed in hot desert meteorites as a barometer, nwa 1068 has not been greatly affected by weathering barrat et al. Photomicrographs of a unique olivine grain in nwa 1068. Download this pdf file journals at the university of arizona. Martian meteorite compendium c meyer 2012 figure 2. Photograph and information from jpl web site ron baalke. Miyamoto, department of earth and planetary science, graduate school of science, university of tokyo, 731. The largest fragment is a greenishbrown rock devoid of fusion crust. Nwa 1068 is a meteorite found in a hot desert, and contains cracks filled with.
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