A preliminary report on the achondrite meteorites in the 1979 U.S. Antarctic meteorite collection

Details A preliminary report on the achondrite meteorites in the 1979 U.S. Antarctic meteorite collection A preliminary report on the achondrite meteorites in the 1979 U.S. Antarctic meteorite collection

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981polre..20...33r&link_type=abstract

National Institute of Polar Research, Memoirs, Special Issue no. 20, Dec. 1981, p. 33-52.

Computer Science

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Achondrites, Antarctic Regions, Meteoritic Composition, Breccia, Feldspars, Lithology, Meteoritic Microstructures, Pyroxenes, Antarctic Meteorites, Achondrites, Data, Samples, Meteorite, Eucrites, Polymicts, Howardites, Shergottites, Diogenites, Iron Meteorites, Silicates, Orthopyroxenes, Inclusions, Lithology, Texture, Grains, Mineralogy, Zoning, Pyroxenes, Magnesium, Calcuim, Plagioclase, Maskelynite, Black Glass, Composition, Allan Hills Meteorites, Reckling Peak Meteorites, Elephant Moraine Meteorites,

Scientific paper

Seventy-three meteorite samples were collected in Antarctica during the austral summer of 1979-80. A description is presented of the seven achondrites found among the meteorite samples. The achondrites described include an ALHA79017-polymict eucrite, an EETA79001-shergottite, an EETA79002-diogenite, an EETA79004-eucrite, an EETA79005-polymict eucrite, an EETA79006-howardite, and an EETA79011-polymict eucrite. The most exciting single aspect of the 1979 collection is undoubtedly the discovery of a new member of the shergottite group of meteorites. Sample EETA79001 is just under 8 kg and should thus provide ample material for detailed studies. In addition to the achondrites, a unique iron meteorite with abundant silicate (orthopyroxene) inclusions and a large diogenite is also discussed.

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