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Planetary science: Hf-W chronometry of lunar metals and the age and early differentiation of the moon

Abstract:: The use of hafnium-tungsten chronometry to date the Moon is hampered by cosmogenic tungsten-182 production mainly by neutron capture of tantalum-181 at the lunar surface. We report tungsten isotope data for lunar metals, which contain no 181Ta-derived cosmogenic 182W. The data reveal differences in indigenous 182W/184W of lunar mantle reservoirs, indicating crystallization of the lunar magma ocean 4.527 ± 0.010 billion years ago. This age is consistent with the giant impact hypothesis and defines the completion of the major stage of Earth's accretion.

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APA Style

Kleine, T., Palme, H., Mezger, K., & Halliday, A. (2005). Planetary science: Hf-W chronometry of lunar metals and the age and early differentiation of the moon. Science, 310(5754), 1671–1674.

MLA Style

Kleine, T, et al. “Planetary Science: Hf-W Chronometry of Lunar Metals and the Age and Early Differentiation of the Moon.” Science, vol. 310, no. 5754, 2005, pp. 1671–74.

Chicago Style

Kleine, T, H Palme, K Mezger, and A Halliday. 2005. “Planetary Science: Hf-W Chronometry of Lunar Metals and the Age and Early Differentiation of the Moon.” Science 310 (5754): 1671–74.
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Publisher copy:: 10.1126/science.1118842

Authors

+ Kleine, T More by this author

Role:: Author

+ Palme, H More by this author

Role:: Author

+ Mezger, K More by this author

Role:: Author

+ Halliday, A More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Earth Sciences
Role:: Author

Journal:: Science More from this journal
Volume:: 310
Issue:: 5754
Pages:: 1671-1674
Publication date:: 2005-12-09
DOI:: 10.1126/science.1118842
EISSN:: 1095-9203
ISSN:: 0036-8075

Language:: English
Pubs id:: pubs:83363
UUID:: uuid:09e1b529-2f5c-46e5-a4b7-ed6d8ee76ae4
Local pid:: pubs:83363
Source identifiers:: 83363
Deposit date:: 2012-12-19
ARK identifier:: ark:/29072/ora_09e1b5292f5c46e5a4b7ed6d8ee76ae4

Terms of use

Copyright date:: 2005

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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