Basic petrographic, mineralogic, and chemical descriptions are given for all eleven meteorites recovered by the U.S.‐Japan team in Antarctica during the austral summer 1976–1977. The meteorites are: Mt. Baldr a (H6), Mt. Baldr b (H6), Allan Hills #1 (L6), Allan Hills #2 (coarsest octahedrite, chemical group IA), Allan Hills #3 (L6), Allan Hills #4 (LL3), Allan Hills #5 (eucrite), Allan Hills #6 (H6), Allan Hills #7 (L6), Allan Hills #8 (H6), and Allan Hills #9 (L6).
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Olsen et al. (1978) studied this question.
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