Prospecting & Detecting
Proper Assaying of Placer Samples
November 2012 by Jim Halloran
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.Guinea Africa: Gold, Ebola, and A Monkey Barbecue
Doubters be informed, yes, there is gold in Africa—lots of gold—and all the good and bad that comes with it.
Ganes Creek Hits 10 Years—Part II
You keep all you find at Ganes, with weekly tallies kept for a loose competition that I find helps motivate me. I seriously try to find more nuggets than anyone else in a given week, and usually make it or close to it.
Following Clues to a Lost Gold Deposit—The Northern Extension of the Cedarberg
Last month, in “Following Clues to a Hidden Gold Deposit,” I ended the article with the direction that we were on the hunt! We were getting prepared and ready to roll with our detectors, then snow came, and lots of it. We had already found the seam diggings mine on the mountainside in wild, rough brush and trees. It had been well hidden.
Silverton's Gold
Within this area, about two million ounces of gold and fifty million ounces of silver have been mined. Faults, dikes, veins and fissures that carry the ore form a concentric radial pattern—like spokes on a wagon wheel—around the caldera core.
My First Gold Patch
After finding little specks and occasionally little nuggets all season, I had finally reached something economical and interesting! This had never happened before along the Pellice Valley in Italy.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
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