Another Prospecting Adventure: Coulterville
November 2021 by Dan Stanton
What also helped keep Coulterville alive was the fact that the town itself happened to be sitting on top of one of the richest veins in the Mother Lode. The ledge itself was three hundred feet wide.
The placer gold shows up in ground sluice areas, hydraulic pits, secondary channels and hillside diggings. It is coming down the hillsides from an ancient channel left high and dry millions of years ago.
You might think that gold prospecting techniques are basically the same everywhere, and in many instances you’d be correct. Some geographical locations, however, due to their unique geological conditions, present unusual challenges...
• Using drywashers to work desert gravels
The 2011 gold season had finally got underway on the Middle Fork of the Feather River near Quincy, California. Cold weather and high water had pushed gold mining into mid-summer, but things were looking up.
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.
The Bawl Mill • Ask The Experts - What is “flotation” and what type of assay do I need? • Ask The Experts - Easier way to break down compacted clays? • Ask The Experts - Where can I get geological maps? • Ask The Experts - Is there gold under the old cobble piles? • Ask The Experts - Can you help me understand the gold deposition in this area of Wyoming? • Building A Portable Gold Mill • Cherry-Picking for Gold Nuggets • Using A Blasting Machine in Rock Breaking • Gold Prospecting for Better or Worse: Tangling With A Desert Monster • Seven Important Attitudes for the Successful Prospector • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices