Prospecting & Detecting
What's Left Behind
December 2012 by Michael Greyshock

Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams

The World of the Simple Gold Pan
There are so many, many different types of gold pans on the market that I thought it would be worthwhile to take a look at the world of the simple gold pan.
Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length
If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.
Gold Mining Boom in the Carolinas
Not too far from the pine-filled mountains, a young boy was exploring along Meadow Creek in Cabarrus County, North Carolina, one fine day in 1799. He discovered a beautiful rock that he took home and put to good use as a doorstop. Shortly thereafter, a jeweler stopped by to visit his folks, and as it turned out, the new doorstop was actually a 17-pound gold nugget. That nugget truly did open a door as it marked the beginning of the first gold rush in America.
Drywashing Moist Dirt
Over the years, I’ve proved to myself over and over again that I don’t have to wait many weeks after rains before I head out to the goldfields to do some gold digging.
Twenty Minutes on a Five-inch Dredge
The first thing I realized was this was not a toy—this thing had power and I needed to really pay attention. I got into position, took a deep breath, and pushed that monster into the hard pack.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Legislative and Regulatory Update
• Prospecting for Gold at Green Valley
• Extraction of Precious Metals Using Froth Flotation
• Detecting Old Ground Sluice Locations
• Mineral Deposit Trends: Real and Imaginary
• Four Arrested for California Mining Museum Heist
• Scams, Scammers and Schemes
• Lawsuit Update From the New 49'ers
• Constitutional Sheriffs Standing Up for Our Rights
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask the Experts
• Detecting at the Sixteen to One Mine