Gnos, Edwin; Hofmann, Beda A.; Al-Kathiri, Ali; Lorenzetti, Silvio; Eugster, Otto; Whitehouse, Martin J.; Villa, Igor M.; Jull, A.J. Timothy; Eikenberg, Jost; Spettel, Bernhard; Krahenbuhl, Urs; Franchi, Ian A. and Greenwood, Richard C.
(2004).
| DOI (Digital Object Identifier) Link: | https://doi.org/10.1126/science.1099397 |
|---|---|
| Google Scholar: | Look up in Google Scholar |
Abstract
The lunar meteorite Sayh al Uhaymir 169 consists of an impact melt breccia extremely enriched with potassium, rare earth elements, and phosphorus [thorium, 32.7 parts per million (ppm); uranium, 8.6 ppm; potassium oxide, 0.54 weight percent], and adherent regolith. The isotope systematics of the meteorite record four lunar impact events at 3909 ± 13 million years ago (Ma), 2800 Ma, 200 Ma, and <0.34 Ma, and collision with Earth sometime after 9.7 ± 1.3 thousand years ago. With these data, we can link the impact-melt breccia to Imbrium and pinpoint the source region of the meteorite to the Lalande impact crater.
| Item Type: | Journal Item |
|---|---|
| ISSN: | 0036-8075 |
| Keywords: | Some of the symbols may not have transferred correctly into this bibliographic record. |
| Academic Unit/School: | Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences Faculty of Science, Technology, Engineering and Mathematics (STEM) |
| Item ID: | 5360 |
| Depositing User: | Users 6044 not found. |
| Date Deposited: | 24 Aug 2006 |
| Last Modified: | 02 May 2018 12:38 |
| URI: | http://oro.open.ac.uk/id/eprint/5360 |
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