the world’s most profitable copper mines have been large-scale porphyry deposits with chalcopyrite mineralization extracted via open-pit mining. While they do not have the highest grades of ore ...

This stone will be used at the region’s construction sites TASS, October 9. A deposit of basaltic porphyry, which may be used in construction, was discovered in the Nenets Region, the regional ...

First baseline study of garnet and epidote chemistry in mineralized and barren porphyry-skarn systems utilising NHM mineral collections. Building an understanding of the controls on major and trace ...

The Arikepay Property is located about 110 km south of the city of Arequipa in southern Peru and about 45 km south of the important Cerro Verde Cu-Mo porphyry deposit, one of Peru’s largest ...