All Articles
Everything You Need to Know About Gold Wheels
September 2000 by Pete Calincos
The theory of making the gold wheel work is really very simple—classification. When all the materials introduced into the wheel are classified to the same mesh, the heaviest materials will be extracted...Mining Stock Quotes & Mineral and Metal Prices
Melman on Gold & Silver
It’s amazing how a few pictures could place an entire Presidential Administration on the defensive, yet that is exactly what has happened during the past month with the publication of the photos out of Iraq, which presumably show American soldiers engaging in acts of torture, humiliation and ridicule inflicted on their Iraqi prisoners.
Legislative and Regulatory Update
• Judge refuses to grant preliminary injuction to end suction gold dredging moratorium in California
• Proposed listing of Yellow-legged frog and Yosemite Toad in northern California
Fire Agate in Arizona
Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.
Nevada's Silver City Gold District—Part I
The name Silver City is quite ironic as it doesn’t really fit the area’s metal production. The area encompassing the Silver City district is a great, stand-alone gold district, where the production value of gold has been much more than that of silver. Since the initial discovery of gold-bearing veins in the mid-1850s, the area has been a center of continuous small and large-scale gold production.Benches and Fossil Placers
Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.
Ask The Experts
• Making a noisy dredge more quiet
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The Bawl Mill
• Over the Divide
• A Word from the Editor
• Guest Editorial—Globalizing Mining in America, Part II
• Gold Point, Nevada—A One-Man Mining Town Restoration
• Rare Coin Makes a Mint at Auction
• Letter to the Editor
• Jackson Hole Gold, Wyoming
• Picks & Pans: Big River Dredging in Northern California
• Fake Assays & Assayers
• Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer
• Exceptional Gold Dredging in New Zealand
• Lightning Creek, British Columbia
• Mine Reopening Could Revive Region
• Willow Creek Dredging Trip
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• More Treasure From Sunken Ship
