History & Geology
Gold, Quartz & Chalcedony—Part II
November 2011 by W. Dan Hausel

All About Native Silver
Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.
Gold Placers in Italy
Gold is a fairly widespread mineral in the Italian Alps and in the Northern Apennines. It is found both in primary mineralization and in past and recent floods.
WSGS Releases New Geologic Maps
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
Confluence Placers

The Rochester Mining District of Nevada
Only the richest ores could be worked and shipped off for processing at a profit. As a result, early mining in the southern part of the Humboldt Range was short-lived. In the 1880s, placers were discovered in Spring Valley and American Valley on the east side of the range...
The Wild Rush To Find More Cobalt—Part II
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
Another Prospecting Adventure: Coulterville
What also helped keep Coulterville alive was the fact that the town itself happened to be sitting on top of one of the richest veins in the Mother Lode. The ledge itself was three hundred feet wide.
Subscription Required:
The Bawl Mill
• Legislative And Regulatory Update
• Ask The Experts—Compensation for closed mining claim?
• Ask The Experts—Inconsistent fire assays
• Gold From Cemented Gravels
• Evolution Of A Gold Prospect
• Alaska to Target Rare-Earths
• Minnesota Delays Decision on Mineral Leases
• Alaska's Cripple Creek Mining District
• The Gold Of Horseshoe Bend
• Tyrie's Roadway Nugget
• Melman on Gold & Silver
Free:
Are Permits Needed For Highbanking In California?
• Prospecting Australia—Part II: There and Back Again