Now showing items 1-2 of 2
Geology of the Puzzle vein, Creede mining district, Colorado
(University of Nevada, Reno, 1970)
The geology of the Puzzle Vein, located in the Creede mining district, has been studied. The Puzzle vein is conceptually an epithermal precious metal vein dominantly composed of layered barite formed by fissure filling. ...
Geological investigation and ore reserve estimation of the Copper Chief (Ruby Hill) mine, Douglas County, Nevada
(University of Nevada, Reno, 1977)
The geology of the Copper Chief Mine was studied and the ore reserves were estimated. Copper mineralization occurs mainly in the middle two members of the Veta Grande Formation. Ore reserve estimations indicate that 5279 ...