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.

Your Guide to Prospecting in Alaska

May 2013
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.

Electrum: Gold and Silver Together

January 2016
...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.

Eastern Arizona: Gold and Base Metal Deposits Part II

March 2011
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.

The Silver Islet Mountains of Utah

January 2014
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.

Placer Mining At Chititu Creek, Alaska

March 2015
There is reason to believe these stream valleys are still rich with gold, silver and copper.

Gangue Minerals - What Do They Tell Us?

January 2017
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.

The Potholes—California’s Oldest Known Mining District

March 2020

Every time we prospected here we found gold, sometimes some really coarse flakes, but no large nuggets (yet).

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