An oxygen fugacity profile through the Siberian Craton - Fe K-edge XANES determinations of Fe 3+ ∑Fe in garnets in peridotite xenoliths from the Udachnaya East kimberlite
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Yaxley, Gregory; Berry, Andrew John; Kamenetsky, Vadim S; Woodland, Alan; Golovin, Alexander
Description
The Udachnaya East kimberlite sampled garnet peridotite xenoliths from a pressure range of 1.2 to 7.1GPa in the underlying Siberian cratonic lithosphere. Samples derived from <5.2GPa lie close to a typical cratonic geotherm of 40mWm-2, whereas more deeply derived samples have temperatures ≥100°C above this geotherm. Minor and trace element compositions of garnet and clinopyroxene indicate the presence of both depleted and metasomatically enriched material in the suite. Depleted material derives...[Show more]
Collections | ANU Research Publications |
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Date published: | 2012 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/33380 |
Source: | Lithos |
DOI: | 10.1016/j.lithos.2012.01.016 |
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01_Yaxley_An_oxygen_fugacity_profile_2012.pdf | 1.01 MB | Adobe PDF |
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