Ask the Experts
December 2012 by Chris RalphWhat is the best type of mat to use in a high banker set up?
…the process remains much the same: Drill holes, load explosives, close up the holes, blast and muck out the resulting broken rock.
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
Rivers are not just random and accidental; streams and other drainages are what they are because of the forces of erosion acting on the bedrock.
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
It’s accepted knowledge that wet methods will recover more fine gold than dry methods and processing the gravel as a whole will get more gold than only using a metal detector. The question is how much more?
I figure there are a lot of new people out there who have the same question. I will try to give some answers that hopefully will give you more confidence in finding your own spots.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
The Bawl Mill • 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 • What's Left Behind • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices