The Fire Assay of Carbon
February 2016 by Hank Chapman, Jr.Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
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.
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
I believe dry washing is an underappreciated prospecting method. There are plenty of places where there is some pretty decent gold to be had, but the spot is a long way from any water and dry processing may well be the best way to go.
At first, I tried to shift things around, but then a hand with a rock would appear, so I would stop trying to adjust my gear and grab the rock to keep things moving.
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts • Ask The Experts • Ask The Experts • Ask The Experts • The Art of Underwater Nugget Shooting • Northwestern Alaska Mineral Resources • A Family Quest for Gold • MMAC & PLP Update • Determining the Amount of Gold in Rich Ores • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices
Gold in Quartz