Professional Equipment for Serious Detectorists!

Magazine

History & Geology

Strategic Metals—Part II

There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

The Tombstone Silver-Lead District, Arizona


In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.

Alluvial Paystreaks


The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.

The Silver Islet Mountains of Utah


Apparent fault offset.I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.

Las Médulas—The Gem of the Roman Gold Mines


This mine was a real wonder of engineering, and the water supply and drifts had to be carefully managed to keep it in operation. In fact, it didn’t close due to lack of gold, but instead closed with the fall of the Roman Empire.

Gold in Tertiary Gravels


In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.

Your Guide to Prospecting in Alaska


Alaska is getting a lot of interest these days, not least because of all the gold prospecting shows on television. Hardly a month seems to pass without some new prospecting show being announced, and a couple of the most popular feature Alaska.

The Basics of Geophysical Exploration


In developing a mineral property or mining claims, one of the first goals is to identify and quantify valuable deposits. The classic method of doing this is by drilling holes into the ground to sample what is below the surface. The problem is that one or two holes usually are not going to tell you a whole lot...

Subscription Required:
The Bawl Mill   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Sierra County Gold—Part I   • ICMJ's Annual Index   • Ophir—Possibly the Best Kept Secret in Alaska—Part II   • Hunting for Hardrock: The Basics   • Gold in the San Francisco District Oatman, Mohave County, Arizona   • Heavy Glacial Rocks and Gold in the Midwest   • The Amazing Mineral Tourmaline   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
Legislative and Regulatory Update   • It's the Bottom of the Ninth—And Not Just for California   • Our 29-Troy-Ounce Golden Blessing

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