Prospecting & Detecting
Pros and Cons of Big Detector Coils
December 2016 by Chris Ralph
Years later I returned with a new detector with a smaller coil and detector technology more sensitive to smaller nuggets. I found my first nugget within five minutes. I had a second five minutes after that.
VLF Detector Operating Modes
It is important to note that discrimination is a type of electronic filtering. The signal is analyzed, and depending on the discrimination setting, identified as either a target to be dug or a target to be ignored.
Buyer Beware! Counterfeit Metal Detectors
When I was recently in West Africa, I got to see and play with my first, phony, Chinese knock-off metal detector.
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
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.
Prospecting for Diamonds
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.
SS Central America Gives Up Millions in Gold Rush Era Gold
A treasure-seeking young man whose name will forever remain anonymous made the months-long journey either over land or by sailing ship to California after word spread about the gold strike in 1849.
The Hunt for Remote Canyon Gold
A large, 8-pennyweight piece popped out of a very small crevice where the water had been extremely swift in the winter, leaving no visible gravel.
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