Studies on Taxonomy and Catalog of Meteorites Collected from Antarctica

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1. Identification and classification of the Antarctic meteorite collections:About 300 new specimens of the Antarctic meteorites have been identified and classified to various types of meteorite. Japanese collections of Antarctic meteorites collected since 1969 season have been classified as 24 Irons, 6 Stony-Irons, 5309 Chondrites, 158 Achondrites, 60 Carbonaceous chondrites and 61 unprocessed one, those are included previously and preliminary classified specimens.2. Identification of meteorites originated from moon:Two new lunar meteorites were found in the yamato-79 and 82 collections. Yamato-793274 (8g) and Yamato-82193 (27g) are lunar origin. Japan has 4 lunar meteorites which are expected to originated from the far side of moon surface when a giant meteorite came down to the moon.3. Find new type pallasite:The first pallasite included pyroxene was found in the Yamato-84 meteorite collection. This specimen may new type of meteorite, but we need more examination.