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History & Geology

Jadeite in California

...two jadeite locations in California have been thoroughly researched by geologists. There are no doubt others that lie in wait.

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Undiscovered Placer Deposits in Alaska


These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.

Gold of the Iditarod Mining District, Alaska


It was the middle of winter and the valley was covered in snow, making prospecting a matter of sinking shafts in the ground.

The Beatty Mining District of Nevada


The Beatty Mining District in south-central Nevada has been one of the most productive Mining Districts in the state, producing millions of ounces of gold together with silver, fluorite, mercury and other valuable minerals.

The Wild Rush to Find More Cobalt—Part I


While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.

Confluence Placers


Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...

Rock and Formations of the Mother Lode Gold Belt


The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.

Gold Refining In The Ancient World


One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.

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The Bawl Mill   • Our Readers Say   • Ask The Experts   • Ask The Experts   • Exploring Snakehead   • One of the Richest Beaches Ever Mined   • Prospecting for Gold in Baja California   • What's All This Talk About Mining Districts?   • The Power of Mining Districts   • What is a Mining Right?   • The Gold, Silver and Base Metal Mines of Eureka, Nevada   • Tips for Detecting Nugget Patches   • Mining Stock Quotes and Mineral & Metal Prices   • State Lends Help to County in Nevada Road Fight   • Melman on Gold & Silver   • Utah Approves funds to Fight Feds

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