Tomkinson, T., Lee, M.R. , Mark, D.F. , Franchi, I.A. and Smith, C.L. (2013) Evidence for multiphase aqueous alteration of the Yamato 00 nakhlites. In: 76th Annual Meeting of the Meteoritical Society, Edmonton, AB, Canada, 29 Jul - 2 Aug 2013, A342. (doi: 10.1111/maps.12165)
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Abstract
The nakhlite meteorites are samples of the Amazonian crust of Mars. They are olivine-bearing clinopyroxenites that contain veins of secondary minerals formed by pre-terrestrial water-mediated alteration. The precise origin of these veins is contentious, and a number of mechanisms have been suggested, e.g. fracture filling cementation [1, 2] and local dissolution-replacement [3]. It is also unclear whether the secondary minerals are the product of a single episode of alteration [2] or by multiple pulses of fluids [4]. In an attempt to answer these questions we have undertaken a petrographic and isotopic study of olivine-hosted secondary mineral veins in the Yamato 000593 and 000749 (Y593, Y749) nakhlites.
| Item Type: | Conference Proceedings |
|---|---|
| Additional Information: | Abstract 5102 |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Mark, Professor Darren and Tomkinson, Dr Tim and Lee, Professor Martin |
| Authors: | Tomkinson, T., Lee, M.R., Mark, D.F., Franchi, I.A., and Smith, C.L. |
| College/School: | College of Science and Engineering > School of Geographical and Earth Sciences > Geography College of Science and Engineering > Scottish Universities Environmental Research Centre |
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