Book Chapter
Kimberlites from Central Angola: A Case Study of Exploration Findings
Hielke Jelsma, Unni Krishnan, Samantha Perritt, Robin Preston, Ferdi Winter, Lucas Lemotlo, Gert van der Linde, Richard Armstrong, David Phillips, Sojen Joy, Josinaldo Costa, Mateus Facatino, Alberto Posser, Manish Kumar, Chris Wallace, Ingrid Chinn, Alwyn Henning
Proceedings of 10th International Kimberlite Conference | Springer India | Published : 2013
Abstract
The Dando-Kwanza concession is situated in the incised highlands of Bié Province in central Angola. An aerial reconnaissance survey conducted in 2005 drew attention to artisanal alluvial mining, in the vicinity of six kimberlite occurrences discovered during colonial times. Exploration commenced in 2007 and the subsequent 3-year work program led to the discovery of 39 new kimberlite occurrences. The concession is underlain by Archean gneisses of the Central Shield Zone of the Angolan Shield, which have been intruded by Paleoproterozoic granitoids at ~1.97 Ga (this study). The basement is overlain by Paleozoic red beds of the West Congolian Inkisi Group which are host to many of the kimberlit..
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