The Goldfield Mining District, Nevada—Part II
July 2017 by Chris Ralph
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
Alaska is getting a lot of interest these days, not least because of all the gold prospecting shows on television. Hardly a month seems to pass without some new prospecting show being announced, and a couple of the most popular feature Alaska.
...if you are out prospecting and find something that looks very much like a nugget but has an odd greenish-gray cast to it, don’t be too quick to simply toss it aside as junk.
In this review of precious and base metal deposits in Arizona, it is apparent that several significant mines and mineral deposits occur in eastern Arizona, and there is considerable potential for new discoveries.
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
There is reason to believe these stream valleys are still rich with gold, silver and copper.
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
Every time we prospected here we found gold, sometimes some really coarse flakes, but no large nuggets (yet).
The Bawl Mill • Ask The Experts: What is a Spanish needle? • Ask The Experts: Sulfides and fluxes • Legislative and Regulatory Update • Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits • The "Madonna Nugget"—A Weekend Hunt to Remember • Sunset Sunbaker • A Prospecting Adventure in Mexico • Critical Minerals: Tungsten • Police Urge Author to End Treasure Hunt • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices