Diamond bearing kimberlites: source to surface

Richards, Simon, and Jelsma, Hielke (2009) Diamond bearing kimberlites: source to surface. In: Proceedings of the 10th Biennial Meeting of the the SGA 2009 (2) pp. 675-677. From: Smart Science for Exploration and Mining: 10th Biennial Meeting of the SGA 2009, 17-20 August 2009, Townsville, QLD, Australia.

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The structural link between the source and sink for diamond-bearing magmas is difficult to reconcile. However, recent studies have revealed that the likely host structures for these unusual magmas is linked to the development of sub-vertical transfer/transform faults that form during incipient extension of the continental crust and lithosphere. Whether or not a particular kimberlite contains diamonds depends, at least in part, on whether these structures intersect the diamond fertility window that exists in continental lithosphere. 3D analysis of the mantle using seismic tomography is combined with plate tectonic reconstructions and detailed structural analysis to show the link between source and sink for kimberlites in Africa and around the world.

Item ID: 23015
Item Type: Conference Item (Research - E1)
ISBN: 978-0-9805-5868-5
Keywords: kimberlites, tectonics, Africa, diamonds, continental rifting, lineaments, lithosphere
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Date Deposited: 15 Aug 2012 06:00
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040312 Structural Geology @ 100%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840103 Diamond Exploration @ 100%
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