April 2003 by StaffExcerpts from California Mining Journal, our original title, published 50 years ago this month.
Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...
I hope this case inspires some of you. It shows that miners can and do succeed when they are persistent and well-prepared, even when representing themselves against state and federal attorneys in a court of law.
A quartz piece was rolled over and there it was, staring right at us—beautiful, coarse gold coming right out of the quartz rock. It was almost the size of a softball, and it looked like over one quarter of it had gold throughout!
Mining restrictions will be lifted on about 1 million acres of federal land in southwest Alaska, officials have announced.
Many specimens have a small amount of gold and are not pretty to look at. There is a nifty way to give them a makeover and make them much prettier than they were when you found them.
Worldwide silver production is expected to increase annually, reaching 567 million ounces by 2001, up from 1997 levels of 501.9 million ounces...
A recent weekend trip found us leaving the Grass Valley, California area to meet up with some friends in Downieville.
The Bawl Mill • Impact of Habitat Designations Grossly Underestimated • Manslaughter Charges Dropped Against Sixteen to One Mine • A Unique Prospecting Method • Over the Divide • Cripple Creek, Colorado • Picks & Pans: Virginia Prospecting • PLP Gets the Key! • Mariposa, California • The Ocampo District, Chihuahua • The Collaboration • Mud Creek Placer Mine • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver