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.
Jasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...
Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.
Why, if America’s economic performance is advancing steadily…are two especially sensitive and widely-used commodities performing so poorly?
The only phrase that comes to mind in reviewing this past month is "deja vu." We've seen all this before; falling gold prices, rising stock markets, soaring hi-tech stocks, crazy initial public offerings (IPO's) and a return to public confidence that all problems can be solved.
Often the gold being recovered by drywashing is too fine to be recovered by metal detecting. For every “detectable” nugget found, there could be hundreds of smaller flakes of non-detectable size. Thus, for those that “read the ground,” and snipe for areas of favorable placer concentration, drywashing will continue to be both an inexpensive...
• Court says ESA listing bogus
• Comments needed for Idaho project
• Crown Resources finally receives patents
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