Prospecting & Detecting
Ask the Experts
March 2014 by Chris Ralph
NOI or POO for small backhoeGold Rush in the Congo—Part II
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
Nice Specimen Gold Recovered in Northern California
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
Sold: 87-Ounce Nugget
A gold prospector in central Victoria, Australia stumbled across an 87-ounce gold nugget in early February 2015, after his wife told him to head outside to get some air. He had given up smoking a few weeks prior and was getting a bit “grumpy,” she told him.
Fine Gold Panning Without Using Mercury
The technique I will describe is a much safer alternative and it works. It’s a fine-gold panning technique that eliminates the need for mercury amalgamation of most placer samples.
Searchers' Dreams
The story began in a southern Arizona mountain range...
Humble Beginnings
Right away I got a target, and it ended up being gold from a nice little bench. With only an hour left of daylight, I continued heading upstream and found five more tiny pieces of gold with my VLF…
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