The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II

August 2013 by W. Dan Hausel

The Birimian Greenstone Belts of West Africa

June 2013
A few years ago I had a tremendous opportunity to visit Australia and hunt for gold there. The geology of the gold deposits there was somewhat different from what I was used to here in the US. I learned a lot about greenstone belt gold deposits while prospecting them in person, and it was an amazing trip.

One of the Richest Beaches Ever Mined

April 2015
Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.

Gold Deposition and Gradients of Placer Streams—Part I

June 2012
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...

Silver and Base Metal Deposits of the Pioche District

June 2014
The areas that were mineralized with the bedded ore were huge and vast tonnages were indicated, although they had no idea at the time.

Gold Refining In The Ancient World

March 2015

One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.

Epithermal Gold and Silver Deposits

April 2017
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.

Prospecting for Pegmatites

July 2015

…in some cases pegmatites have produced individual mineral crystals that are enormous, attaining lengths of over 40 feet long, and many of the world’s largest mineral crystals are examples that were found within pegmatite deposits.

Subscription Required:
The Bawl Mill   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Common Mistakes of the New Detectorist   • Mining for Gemstones and Mineral Specimens   • Fighting and Winning Without a Lawyer   • The Essentials of Dry Washing   • Fortymile, Alaska Prospecting Adventure   • Court Says Emergency Rule in California Unjustified   • Sampling Placer Stockpiles   • Lower Prices Bring Layoffs   • Prospecting Research   • Buyer Beware! Counterfeit Metal Detectors   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Underground in the Original 16-1 Mine

Free:
Legislative and Regulatory Update   • Annual Claim Fees Due September 3, 2013