Mining districts and mineralized terrains of Wyoming
(after Hausel, 1997; and Hausel & Hausel, 2011).
Schematic map of the South Pass granite-greenstone belt
showing location of the South Pass-Atlantic City and Lewiston
districts, and McGraw Flats and Oregon Gulch paleoplacers (after Hausel, 1991)
Typical BIF sample, Mt Singleton, Australia. Note alternating
layers of dark metallic gray magnetite and white to rust-stained quartz.
|Folded BIF from the Atlantic City iron ore mine, Wyoming, with |
|Copper-stained BIF from the Seminoe Mountains greenstone belt, |
Wyoming, with both black and white quartz veinlets
mixed with dark gray magnetite.
The Duncan gold mine and mill as it appeared to me when I first visited South Pass in 1978. I later detected significant gold in a
distinct fold near the old glory hole. A 2.5 foot long channel sample yielded 0.96 ounce per ton gold!
Many field trips to South Pass were led by the GemHunter to educate the public
on gold prospecting. These trips were free to the public