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Picks & Pans: Eureka! We Struck It Again
April 2002 by Don Robinson
About a half-hour after everything got underway, James came back to Harley, whispering, “Harley, you’re not going to believe this, but I just detected a vein with gold, lots of gold...I mean lots of gold. You’ve got to come and see this.”
How to Refine Silver—Pt I
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
The Pearce Mineralized Area, Dragoon Mountains, Arizona
...I would bet considerably more lode gold and silver remains to be found in this area, and there are possibilities for small placers and nugget shooting.
Flat-Fault Gold
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.
The Klamath Oldland
The Klamath Mountain province includes a number of separate mountain ranges, such as the Bully Choop, Marble, Salmon, Siskiyou, Trinity Alps, and Yolla Bolly, among others. They are collectively referred to as the “Klamath Mountains” in this article.
The Steeple Rock District, New Mexico
The Steeple Rock Mining District is located in the northwest-trending Summit Mountains of southwest New Mexico, at an average elevation of 5,200 feet. The highest point in the mountains is Vanderbilt Peak, which rises to an elevation of 6,773 feet. The mountains receive about 12 inches of precipitation a year in the form of rain and occasional winter snow.
Picks & Pans: The Gold of "Eldorado Canyon"—Mariposa County, California
First, let me say that Eldorado Canyon is what we call this area, but it’s not the real name. It’s a piece of private property where we have permission to metal detect; I do not want to start another gold rush! The property is located in Mariposa County...
Legislative and Regulatory Update
• Rock Creek mine approved again: environmentalists file another lawsuit
• Great Basin Mine Watch losing appeal
• Roadless Rule declared illegal again by Federal Court
• Off-highway vehicle restrictions in North and South Dakota and Montana
• Comments needed for new off-road emission and fuel standards
• California administration moves to block mining; governor faces recall
• A few pending bills...
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The Bawl Mill
• 43 CFR 3809 Final Rule
• Alluvial Fans
• Platinum Claims on Heines Creek
• More on Meteorites
• The Gold Hill and Iowa Mine, Boise County, Idaho: 1863-1895
• The First Prospectors
• All That Glitters is Gold
• Aussie Gold—Swinging Over to South Australia
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
