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Martian subsurface fluid pathways revealed by 3D mineralogy of the Nakhla meteorite

Needham, A. W.; Tomkinson, T.; Abel, R. L.; Franchi, I. A. and Grady, M. M. (2010). Martian subsurface fluid pathways revealed by 3D mineralogy of the Nakhla meteorite. In: 73rd Annual Meeting of The Meteoritical Society, 26-30 July 2010, New York City, NY, USA.

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Fluids in a near-surface environment on Mars were responsible for the formation and alteration of many minerals in the nakhlite meteorites. These secondary minerals include complex mixtures of clays, carbonates, sulphates, oxides and iron oxy-hydroxides [1-3] which may have formed at different times, under different fluid flow regimes (groundwater, hydrothermal, crater lake), experiencing a range of water-rock ratios, evaporative histories, and varying degrees of interaction with the atmosphere and bedrock [2,3].
As part of a continuing investigation of this aqueous activity we have performed a comprehensive suite of 2D and 3D chemical, physical and structural analyses of these secondary minerals within Nakhla.

Item Type: Conference Item
Copyright Holders: The Authors
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
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Item ID: 33591
Depositing User: Patricia Taylor
Date Deposited: 22 May 2012 15:03
Last Modified: 18 Jan 2016 14:08
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