Prospecting & Detecting
Introduction to Meteorites
February 2015 by Mike Lucas
The distribution of meteorites across the planet was, at one time, thought to be random and unpredictable.
A Great Day On The Feather River
Mike and Machael dug in just downriver of that boulder pile and right away found good color and a few small pickers.
A Model Mining Operation
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
The Pothole Patch
"Suh-wheet!" I exclaimed as I sprang to my feet and quickly pumped my detector coil high overhead to alert Smokey that I had just found a nugget.
Proper Assaying of Placer Samples
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.
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.
Detecting Old Pocket Diggings
Looking around, I could tell that this was an old hand-digging. As I walked around the perimeter of the digging I could see shovel and pick marks scratched on the clean, hard clay and bedrock.
California to Allow Suction Dredging in 2019?
There are a few questions you will need to ask yourself before you apply for a suction dredge permit from the State Water Resources Control Board.
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