English Lufilian Arc Cited by user Citation bot on 20 Sep 2020 The Lufilian Arc (or Lufilian Belt) is part of a system of orogenic belts in southern Africa formed during the Pan-African orogeny, a stage in the formation of the…
English Clarke number Cited by user Wotheina on 04 May 2020 Examples based on Fersman's definition: : When the whole mass of a planet X is, and the mass of oxygen there is, then the weight clarke of oxygen in planet X is (dimension…
English Musonoi Mine Cited by user KolbertBot on 05 Sep 2017 The Musonoi mine is a set of open-cut pits near Kolwezi from which copper and other metals have been extracted since the 1940s.