Combination Mine, Goldfield Mining District, Esmeralda County, Nevada, USA

7.0 x 4.0 x 3.0 cm. Reniform masses of metallic gray to gray-bronze goldfieldite overgrown by crustiform banded quartz and carbonate, a texture typical of epithermal gold deposits. Goldfieldite also occurs as tiny (

© Rob Lavinsky & irocks.com

7.0 x 4.0 x 3.0 cm. Reniform masses of metallic gray to gray-bronze goldfieldite overgrown by crustiform banded quartz and carbonate, a texture typical of epithermal gold deposits. Goldfieldite also occurs as tiny (

© Rob Lavinsky & irocks.com

Goldfield Nevada. Bonanza Ore. High Grade Epithermal gold specimen. This very rare specimen was found on an original lease period waste pile, (1905-1907). The combination Mine was one of the famous mines that produced high Grade Gold ore like this, some of the ore in the Combination assayed at well over 800 ounces of Gold to the ton. The rich ore ...

The "glory hole" of the Combination mine in 1905. Plate 22- A in U.S. Geological Survey. Professional paper 66. 1909. Photo courtesy of USGS.

Old postcard.

Early 20th century postcard.

Reproduced from Mining & Scientific Press October 18, 1919 Downloaded from Google Books