All Articles
Samuel Franklin Hunt Nevada’s “Rio Tinto”
February 2006 by Jim Straight
At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.Mining Stock Quotes and Mineral & Metal Prices
Mineral Exploration On The Rise
…2017 was just the first year with a small increase after a huge drop off in exploration activity. It may take many years of future increases to get back to where the activity was in 2012, as projected increases in exploration spending are seen to be slow and steady.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
Ask the Experts
Can I treat a sample with muriatic acid?
Melman on Gold & Silver
The combination of these two concerns—the drift toward socialism and the willingness to violate law—appear to me to be capable of raising the level of civil disorder to a point where such disorders could be positive influences on the price of gold and silver.
The Jenkins Mine Project Pt III -- Site Selection
This sampling program was painfully tedious, and I’ve still got the calluses and embedded shovel splinters to prove it. But completing that testing program validated certain areas of the creek and eliminated others.
Subscription Required:
The Bawl Mill
• January Issues Delayed For Weeks As USPS Searches Their Facility
• The Rocks That Burn: Is Oil Shale the Answer?—Part I
• Feds Move Oil Shale to Front Burner
• Basic Geology for the Independent Miner—Part II Recognizing and Understanding Rock Formations (Petrology)
• The Circle Goldfields
• New Montana Board Moves to Halt Mining
• Newmont Looks to Ghana
• PLP President Intervenes on Behalf of Dredgers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







