From Hand Sluice to Dredge
December 2008 by David Shackleton“This here is a sluice,” David said as he held up a long shiny metal object. He explained how, when set in the water properly, heavy objects like gold and lead would be trapped behind the riffles, and the lighter material...
Excerpted from the U.S. Geological Survey's 1998 Annual Review by Earle B. Amey, Gold Commodity Specialist.
The excitement over IOCG deposits began with the discovery of a monster deposit at Olympic Dam in Australia in 1976. The discovery was accidental as the operator was searching for strata-bound copper deposits.
Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.
Some of the items that I’m going to go over are outcroppings, ditches, exploratory trenches and contacts/surface materials. I am going to speak about each of the above items in as much detail as I can, and then towards the end of this article I will tie them together.
Northern Nevada is prime mining territory. In fact, no state has been as mining-friendly as the Silver State and, as a result, mining has made important contributions to that state’s economic development.
Tomten concedes the scenario of federal environmental agents swooping in on river dredges near historic mining towns like Idaho City, Rocky Bar or Placerville remains unlikely.
…for a change, it is time to turn away from the Trump-Mueller frenzy and concentrate once again on some of the other sources of information which can present us with valuable information related to our precious metals.
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