Prospecting for Hardrock Platinum, Nickel & Copper Deposits
October 2007 by Chris RalphRecent sharp price increases for copper, nickel and platinum group metals (PGMs) have greatly stimulated exploration for these metals, and individual prospectors have made important discoveries of new deposits.
The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.
Another California Assembly member, Jared Huffman, is attempting to ban dredging in the state on a more permanent basis.
The Arizona mine and town that eventually became known as Mowry actually started with the discovery of a rich ledge of silver by either Spanish Jesuit priests or Spanish soldiers around 1736.
There are dry placer gold deposits in every county in Nevada, some of which are yet to be discovered.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
…in spite of the fact that the well-pounded spots probably don’t have much gold left, I see all too many prospectors hike down to a creek or other spot at the first place the road comes near it just because it’s the easiest access point.
The Bawl Mill • An Answer to Endangered Salmon? • Journeys in the Kingman Quadrangle—Part III • Detecting in Australia's Etheridge Goldfield • Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Pt I • Another Successful Northwest Miners Rally • California State Gold Panning Championships September 1-2, 2007 • The Next Crisis For America • Melman on Gold & Silver • Barrick Offers $10 Million to Unlock Silver Ore • Mining Stock Quotes and Mineral & Metal Prices