History & Geology
Reno's 1872 Time Capsule Includes Gold Rush Lore
June 2019 by Associated Press
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.
Butte, Montana—The Richest Hill on Earth
I recently had the opportunity to spend a day exploring around Butte, Montana and was amazed by the amount of mining that has taken place there. The old-timers called Butte “the richest hill on earth” and had pretty good reasons for doing so.
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.
Critical Metals: Lithium
Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.
The Ups and Downs of Geologic Faults
Faults are fractures, breaks and broken zones in the Earth’s crust where one side of the break has moved relative to the other, and they come in many different varieties.
Fabulous Florence—The Golden Town of Idaho
In September 1861, on a round-about prospecting journey homeward, five California gold miners discovered gold in the area now called Florence. While watering the horses, one of the men noticed a golden color on a piece of slate bedrock in the stream...
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.
Understanding and Prospecting Benches
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
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June 2019 (Vol. 88, No. 10)
• The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - Can you provide information on gold in Ghana?
• Ask The Experts - Geophysics and gold deposits
• Ask The Experts - Do these items qualify as mechanized equipment?
• Ask The Experts - EPA Method 6020 testing
• Ask The Experts - New detector or stick with the old?
• The Value of Old Patches
• A 'Rare' Opportunity for America
• Tips for Cleaning Gold Nuggets
• How Long Does It Take to Find and Recover An Ounce of Gold?
• Gold Prospecting for Better or Worse: In A Tight Spot
• Detecting Wet Ground Yields More Fun Than Gold
• Over The Divide: Jim Straight, 1930-2019
• Beach Mining for Placer Gold
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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PLP Update
• Comments Needed On Pebble Project Draft EIS
