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New Analyses of Antarctic Carbonaceous Chondrites

C. B. Moore, John R. Cronin, Sandra Pizzarello, Mae-Suen Ma, Roman A. Schmitt

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Abstract

New analyses have been made on the Antarctic carbonaceous chondrites ALHA77306 and ALHA77307. Only traces of amino acids have been detected in ALHA77307. Non-protein amino acids were not detected. Inorganic analyses using INAA techniques showed no significant differences between interior and exterior pieces of ALHA77306. ALHA77306 is a C2 chondrite and ALHA77307 a C3V chondrite.

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What this paper is about

New analyses have been made on the Antarctic carbonaceous chondrites ALHA77306 and ALHA77307. Only traces of amino acids have been detected in ALHA77307. Non-protein amino acids were not detected. Inorganic analyses using INAA techniques showed no significant differences between interior and exterior pieces of ALHA77306. ALHA77306 is a C2 chondrite and ALHA77307 a C3V chondrite.

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Available abstract

New analyses have been made on the Antarctic carbonaceous chondrites ALHA77306 and ALHA77307. Only traces of amino acids have been detected in ALHA77307. Non-protein amino acids were not detected. Inorganic analyses using INAA techniques showed no significant differences between interior and exterior pieces of ALHA77306. ALHA77306 is a C2 chondrite and ALHA77307 a C3V chondrite.

Key concepts: Chondrite, Astrobiology, Earth science, Geology, Meteorite, Physics

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