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Gold at Mercury Mines
May 1999 by Edgar B. Heylmun, PhD
There are numerous old mercury (quicksilver) mines in the central Coast Ranges of California, from San Benito County on the south to Lake County on the north, a distance of 225 miles.
Gold Prospecting for Better or Worse: The Disappearing Nuggets
Gold probably is one of the easiest things in the world to cheat an absentee owner out of. He would generally have no way of really knowing if a guy had found 3 nuggets or 30 nuggets on his claim.
Detecting Wet Ground Yields More Fun Than Gold
We all continued over to another location at the top of a massive placer operation. Arriving at the draw, I showed everyone where gold had been found before and we all began detecting.
Mining Stock Quotes and Mineral & Metal Prices
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.
California State Panning Championships—Foresthill, CA Heritage Celebration
Here's the kicker—for every lost flake there was a five minute penalty added to the time. Lost gold generally meant you didn't make it past the preliminaries.
Stillwater At Half Speed
Stillwater Mining Company’s East Boulder platinum and palladium mine is back in operation, with its staff cut in half...
Idaho-Maryland Mine—History Restarted
It was late October 1850, and, as the story goes, George McKnight was rushing along trying to round up his cows when he stumbled. He was not a happy man as he kicked the fist-sized rock in disgust. The disgust changed quickly to interest...
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