A lunar meteorite found outside the Antarctic

D. H. Hill, William V. Boynton, R. A. Haag

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

OUR knowledge of the Moon's surface composition has come from samples returned by the Apollo and Luna missions, and from eleven lunar meteorites, all of which were discovered in Antarctica1,2. Here we report the discovery of a new lunar meteorite, Calcalong Creek, in a desert region of Australia which is analogous to Antarctica in its ability to preserve meteorites of different types3. On the basis of a diagnostic Fe/Mn ratio of 73-78, and other element abundances, we conclude that Calcalong Creek is a lunar breccia, containing both highland and mare materials. Whereas the Apollo and Luna missions selectively sampled only 5% of the lunar crust, lunar meteorites should provide a random sample4; nevertheless there has been some concern that the Antarctic meteorite population may be biased in some way5. Calcalong Creek will add to our understanding of lunar petrology, and as the first non-Antarctic lunar meteorite, may also shed new light on the transfer of impact ejecta from the Moon to the Earth.

Original languageEnglish (US)
Pages (from-to)614-617
Number of pages4
JournalNature
Volume352
Issue number6336
StatePublished - Aug 15 1991

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lunar meteorite
meteorite
Moon
lunar crust
ejecta
breccia
petrology
desert
creek

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Hill, D. H., Boynton, W. V., & Haag, R. A. (1991). A lunar meteorite found outside the Antarctic. Nature, 352(6336), 614-617.

A lunar meteorite found outside the Antarctic. / Hill, D. H.; Boynton, William V.; Haag, R. A.

In: Nature, Vol. 352, No. 6336, 15.08.1991, p. 614-617.

Research output: Contribution to journalArticle

Hill, DH, Boynton, WV & Haag, RA 1991, 'A lunar meteorite found outside the Antarctic', Nature, vol. 352, no. 6336, pp. 614-617.
Hill DH, Boynton WV, Haag RA. A lunar meteorite found outside the Antarctic. Nature. 1991 Aug 15;352(6336):614-617.
Hill, D. H. ; Boynton, William V. ; Haag, R. A. / A lunar meteorite found outside the Antarctic. In: Nature. 1991 ; Vol. 352, No. 6336. pp. 614-617.
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