Professional Equipment for Serious Detectorists!

Magazine

All Articles

Samuel Franklin Hunt Nevada’s “Rio Tinto”

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Mining Stock Quotes and Mineral & Metal Prices


Additional Note on Bluff's Beach


I need to mention some additional information pertaining to our recent article on Alaska’s Bluff’s beach…

Please Note:


Due to technical difficulties, the photos in the September 2004 issue of ICMJ are currently unavailable for the online version of the magazine.  Please know we are working on this and will get the photos loaded as soon as we can.  In the meantime, please enjoy the articles as usual! Thank you for your understanding!  ICMJ

Miners Attend Meeting in Myrtle Point, Oregon


It was "standing room only" as a crowd of approximately 50 interested miners attended a meeting hosted by the Powers Ranger District and Forest Service personnel from the Siskiyou National Forest.

Carrizozo Lava Older Than Once Thought


The Valley of Fires lava flow outside Carrizozo is older than previously thought. In geologic terms, the central New Mexico volcanic feature is still a youngster at 5,000 years old. But that's considerably older than the 1,000-year-old tag scientists once placed on it...

Looking Back


Excerpts from CMJ published 50 years ago this month.

Google Earth Pro for Prospectors and Miners


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

Free:
Legislative and Regulatory Update

Advertisements

Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue