Hard Rock University: Expensive Hobby or Real Business?
July 2015 by Keith BowenImproper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
You find yourself with a bucketful of concentrates that you have accumulated over the season and consider the logical next step: to reduce the bucket of cons to a gold bar. Where do you begin?
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
Besides the EPA issue, our major priority is to work on the proposed amendment to the National Strategic and Critical Minerals Production Act (S 145), a bill proposed in the Senate by US Senator Dean Heller (R-Nevada).
His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
The Bawl Mill • Ask The Experts • Ask The Experts • Trail to Treasure • The Smell of Gold -- Part II • The Reason We Fight • My Great Nevada Adventure • Prospecting for Pegmatites • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices