Let us help you recover valuable metals. 888-437-1187

Magazine

History & Geology

Kennecott Copper Mine, Kennecott, Alaska

For approximately 30 years, the mines produced good ore, some so rich it was simply sent straight to bagging, bypassing milling and loaded directly on the rail cars.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

The Wild Rush To Find More Cobalt—Part II


In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.

Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits


Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.

Prospecting for Diamonds


Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.

Prospecting Homonyms


Three homonyms come to mind when I think of gemstones, gold and vegetables: carrot, carat and karat. Let’s look at carrot first.

Rare Silver Nuggets And Their Origins


Silver nuggets have been described as “ultra-rare,” “prized” and “unique.” Naturally occurring silver nuggets are rare enough to suggest caution when purchasing. Fakes have reportedly been produced and misrepresented for sale as genuine specimens.

Historic Dredge Uncovered in North Carolina


The Robinson is a wooden bucket-line dredge that was built in the early 1900s in New York and shipped in pieces to Nash County in North Carolina by train for reassembly.

Sulfides and Intergrain Gold Wire Nuggets


...these nuggets have not traveled far from the lode because the golden wire lattices would have been torn apart or flattened during weathering of rock and deposition by violent stream action.

Subscription Required:
The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts - Where should I get my geology degree?   • Ask The Experts - How much rock shall I crush to determine the value?   • Placers Directly Associated with Lode Deposits   • Is It Time for a Change? New Ways to Find More Gold   • MMAC Update   • Silverton's Gold   • Procuring Mine Owner Permission at a Mine Site   • Champions Crowned at the California State Gold Panning Championships   • Drywashing for Fine Gold   • ICMJ Gold Prospecting and Mining Summit Postponed   • High Prices for Gold, Silver & Copper: What Does it Mean for Prospectors?   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
Ask The Experts - Is there a standard percentage given to land owners who hold the mineral rights?

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