The Geology Of The Gilt Edge Gold Deposit, Northern Black Hills, South Dakota
Roderick J. MacLeod, James N. Barron, 1990. "The Geology Of The Gilt Edge Gold Deposit, Northern Black Hills, South Dakota", Metallogeny of Gold in the Black Hills, South Dakota, Colin J. Paterson, Alvis L. Lisenbee, Tommy B. Thompson
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The Gilt Edge gold deposit is located approximately 8 km southeast of Lead, in the northern Black Hills of South Dakota (Fig. 1). Gold ore at Gilt Edge is hosted in highly-fractured and brecciated Tertiary igneous rocks. This is in contrast to the Homestake gold deposit, where gold ore is hosted by highly folded Precambrian metasedimentary rocks, and the Foley Ridge/Annie Creek gold deposits which are Tertiary in age and hosted by the Upper Cambrian Deadwood Formation.
Approximately 2675 kg (86,000 oz) of gold was produced intermittently between 1879 and 1942, from several underground and surface mines located in the Gilt Edge area (Allsman, 1940; Norton, 1974). Most production came from the Rattlesnake Jack mine and the Dakota Maid glory hole which are both located in the area presently being mined by Brohm.