The Botija Cu-Mo-Au porphyry deposit is located in the Cobre Panamá mining district, which contains several deposits with a global measure and indicated and inferred resource of 14.8 MT of Cu. These deposits are associated with the Cerro Petaquilla batholith, which has U/Pb zircon ages of 26-33 Ma (Whattam et...
The following outline of events in the rise and fall of gold mining in southwestern
Oregon is here recorded - almost as an obituary - so that Oregonians may not entirely forget how important this industry was in building up this part of the state.
The following pictorial article on the golden years of eastern Oregon, by Miles F. Potter and Harold McCall, is an abstract from their manuscript of a forthcoming book they are calling "Golden Pebbles."
Potter is a long-time resident of eastern Oregon and an amateur historian of some of the early...