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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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Placer Mining At Chititu Creek, Alaska


There is reason to believe these stream valleys are still rich with gold, silver and copper.

Why Haven't They Mined This Claim?


Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.

Alaska: Kodiak Islands Mineral Resources


The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.

The Giant King Mine


Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

Placer Gold Deposits of New Mexico


While a large number of locations have yielded some placer gold, most of the state’s placer production has come from a few productive districts.

Calcite and Limestone


The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.

Reno's 1872 Time Capsule Includes Gold Rush Lore


The Reno Masonic Lodge was built along the railroad tracks back when Ulysses S. Grant was president and shortly after the Comstock Lode of gold and silver was struck in Virginia City.

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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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