Willow Creek mining district - WikipediaThe Willow Creek mining district, also known as the Independence Mine/Hatcher Pass district, is a gold-mining area in the U.S. state of Alaska. Underground hard-rock mining of gold from quartz veins accounts for most of . Alaska Free Gold Mine on Skyscraper Mountain, and Independence Mine on Granite Mountain.mining migmatite gold mountains,Hatcher Pass - WikipediaHatcher Pass (3,886 ft or 1,148 m) is a mountain pass through the southwest part of the . Mining, of placer gold deposits, began in the Willow Creek mining district in 1906. . On Government Peak a 90 mya rock unit variously mapped as gneiss, or as intricately intermixed amphibolite and quartz diorite, or as a migmatite,.
mining migmatite gold mountains