Detecting Old Ground Sluice Locations
December 2012 by Ray MillsGround sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
Here's the kicker—for every lost flake there was a five minute penalty added to the time. Lost gold generally meant you didn't make it past the preliminaries.
Part I of the article addressed modern placer gold deposits. This second installment will address “ancient” flood deposits.
How big is the deposit? Are there boulders you will need to move? Do you just want to recover the nuggets or do you think there is good fine gold that you will also want to capture?
The mine site consists of river gravels from an ancient channel covering over 20 acres, and the place is covered with very large river rock and small tree overgrowth.
Once you have a detector, learn how to use it and get out in the field—you can’t find anything with it in your garage.
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
This article is about our recent gold prospecting adventure, which has yielded over 20 ounces of specimen gold—with more to come.
The Bawl Mill • Ask the Experts • Legislative and Regulatory Update • Prospecting for Gold at Green Valley • Extraction of Precious Metals Using Froth Flotation • 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