Ask the Experts

January 2015 by Chris Ralph

So You Want To Be A Full-Time Prospector?

March 2011
The high price of gold and the poor economic conditions here in the US have created an unusual situation—a large number of folks are thinking seriously about getting into prospecting and digging for gold on a full-time basis.

Testing Ores for Free Gold

December 2011
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...

Ask the Experts

August 2014
What are the tell signs of garnet deposits?

Prospecting for Liberated Gold

November 2015
Some will doubt its value given the ultra-fine particle size… Some will become encouraged about not having to incur significant time and expense to break rock.

Operation And Application Of Magnetometers

October 2014
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.

Shaker Tables for Processing Hard Rock Ores

May 2017

Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.

Ask the Experts

January 2015
• How do I clean up gold encrusted with iron-sulfides?

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