History & Geology
Alaska's Cripple Creek Mining District
November 2011 by Jim Halloran
If developed with metal detecting in mind, this virgin ground could be a bonanza for nugget hunting.Flood Plain Gold Deposits—What Are They Really?
We just completed a trip to another river, and yes, there was definite movement and redistribution of gravels, and other prospectors have seen this as well.
Greenstone and Gold
Contacts, faults and zones of weak rock are all places that can act as a pipeline to convey gold-bearing fluids, leading to valuable deposits.
Detector Brings New Life to An Old Lode Mine
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
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...
All About Chalcopyrite
…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.
The Gold, Silver and Base Metal Mines of Eureka, Nevada
...the area around Eureka, Nevada is well mineralized and seems to have a bright potential for future production of all sorts of metals.
The Pedro Gold Dredge
The decision was made to move the dredge intact, a massive undertaking indeed. The goal was to move it only one mile to the Busby’s Chicken Gold Camp, but what a mile that was to be.
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
• Gold, Quartz & Chalcedony—Part II
• Alaska to Target Rare-Earths
• Minnesota Delays Decision on Mineral Leases
• 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
