Lucky 13 and martian meteorites
نویسندگان
چکیده
منابع مشابه
Ages and Geologic Histories of Martian Meteorites
We review the radiometric ages of the 16 currently known Martian meteorites, classified as 11 shergottites (8 basaltic and 3 lherzolitic), 3 nakhlites (clinopyroxenites), Chassigny (a dunite), and the orthopyroxenite ALH84001. The basaltic shergottites represent surface lava flows, the others magmas that solidified at depth. Shock effects correlate with these compositional types, and, in each c...
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Introduction: Noble gas measurements in gas-rich impact-melt (GRIM) glasses in EET79001 shergottite showed that their elemental and isotopic composition is similar to that of the Martian atmosphere [1-3]. The GRIM glasses contain large amounts of Martian atmospheric gases. Those measurements further suggested that the Kr isotopic composition of Martian atmosphere is approximately similar to tha...
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متن کاملMartian surface paleotemperatures from thermochronology of meteorites.
The temporal evolution of past martian surface temperatures is poorly known. We used thermochronology and published noble gas and petrographic data to constrain the temperature histories of the nakhlites and martian meteorite ALH84001. We found that the nakhlites have not been heated to more than 350 degrees C since they formed. Our calculations also suggest that for most of the past 4 billion ...
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ژورنال
عنوان ژورنال: Meteoritics & Planetary Science
سال: 2001
ISSN: 1086-9379,1945-5100
DOI: 10.1111/j.1945-5100.2001.tb01889.x