History & Geology
The Golden Streams of Butte County, California
May 2011 by Frank Lorey III
Even though these were some of the earliest placer deposits to be worked, there is still plenty of gold left today—it just takes more work to recover. Knowing about the old locations where gold has been found is the first step to success.Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Perception of Mining vs. Reality
Many modern mining companies have taken to making a special effort to ensure the goods and services they need are supplied as much as possible out of the local economy.A Journey Into the Silver Peak Range
The Gold Rush in California called hundreds of thousands of souls to leave their homes to journey to the the far reaches of the West. At first the rich goldfields of the Sierra Nevada beckoned to these adventurous pioneers.
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.Exploring A Historic Lode Mine
Climbing up the debris, I pointed my flashlight up a shaft ascending straight up as far as my light would shine. It was the stope of the pay shoot leading to the old tunnel above!
The Ely Copper-Gold District of Nevada
The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
Ask The Experts
Gold in clastic black shale
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The Bawl Mill
• Why Haven't They Mined This Claim?
• Ask The Experts—Where can I find information on the Abby mine?
• Ask The Experts—Is it possible for a mountain range to have good lode gold deposits and yet the area streams not carrying like deposits of gold?
• Ask The Experts—How do you amend a placer claim?
• Ask The Experts—What happened to the BLM web site geocommunicator.gov?
• The Ups and Downs of Geologic Faults
• Fountain of Youth Gold
• Legislative and Regulatory Update
• Suction Dredging Update for California & Idaho
• The Disappearance of State Mining Departments
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
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One Question, Forever Unanswered—Did He Really Find the Gold?
