My recent research focuses on quantifying the effects of sapphire mining on the forests of Madagascar. My discoveries challenge some of the preconceptions about the impacts of small-scale mining.
Madagascar cave art hints at ancient connections between Africa and Asia In October 2016 ... Third, the miners did not use heavy machinery, and sapphire mining does not use toxic chemicals ...
Other major sources of gold include the extremely deep Mponeng mine in South Africa, the Super Pit and Newmont Boddington mines in Australia, Indonesia's Grasberg Mine, and mines in Nevada ...
Endeavour Mining officially opened its second gold mine in Côte d’Ivoire on 19 October in Lafigué, in the north of the country, as it ramps up development to produce between 1.13m and 1.27 ounces of ...
"An untreated sapphire that comes out of the ground that color is ... and Golconda delivered the finest examples until the mines were depleted and closed in the 18th century. (The main excavators of ...