Prospecting in Northern Sierra County, California
November 2006 by Don RobinsonFrom the mid-1850s and even into the early 1900s, Northern Sierra County boomed with mining activity. This area was flooded with miners, establishing such towns as LaPorte, Gibsonville, Spanish Flat, Whisky Diggings...
At the Gold Quarry open-pit mine, a massive electric shovel scoops 40 tons of earth in a single bite and dumps it into a 325,000-pound truck the size of a two-story house.
So much of gold detecting depends on attention to detail. Every gold area offers its own distinct geological markers and as prospectors we must pick up on those markers.
• A third political party is born
Greenstone is a dark greenish-black basaltic rock which, along with chloritized schist, forms belts up to 50 miles wide in northern Minnesota, in rocks of Late Archean age. Most belts are 2.6 to 2.9 billion years old.
It was round and I thought it was a dirty piece of lead shot, but after feeling the weight and giving it a spit-cleaning I knew I had one! Small as the nugget was, I felt happy and gratified for my little success
As expected, the State of Oregon has proposed a new general National Pollutant Discharge Elimination System (NPDES) permit that is considerably more restrictive than the one that is currently in effect
The Bawl Mill • International Wayside Resurrects Gold Rush in British Columbia • Government Says New Mine Will Benefit Bears • RS 2477 Fact vs. Fiction • The Nome Goldfields • Basic Sniping: Prospecting With a Pan & Simple Hand Tools • Over the Divide • Trio Accused of Stealing $1.7 Million in Gold • Ivanhoe Partners With Rio Tinto • The Business of Mining: Swap, Trade, or Exchange • Wyoming Expects Profits from Uranium • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices