Speed Prospecting for Hard Rock Gold
July 2020 by Keith Bowen
An online video gave me some ideas, and with a lot of trial and error I developed a reliable method of panning free gold particles down below 35 microns quickly and easily.
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.
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.
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
What I saw was a beach area that was just completely covered in black sand. Rubbing my hands close together like a kid in a candy store, I could not wait to get set up.
As a guide to those who are thinking of taking up this activity or those who currently practice this trade, I have created a listing of the primary tools and equipment I use when nugget hunting.
I cleared the connector by poking a small Phillips screwdriver through it. To ensure the bore was clean, I dunked the connector into some water and then blew it clean with my shop air compressor.
Some media outlets have speculated the hoard of coins came from a theft at the old US Mint in San Francisco that was reported in 1901.
The Bawl Mill • Ask The Experts - Can GPR be used for lode prospecting? • Ask The Experts - How do I extract gold from pyrite? • Ask The Experts - Should I dig faint sounds with no indicator bars while detecting? • Ask The Experts - Should the detector sound on iron and nickel in a gold area? • Hard Rock 101: Micro Blasting • Sluicing and Detecting Downstream • Tips and Tricks • Gold Prospecting for Better or Worse: Does Caliche Grow? • 10 Keys to Prospecting Like A Pro • Polymetallic Skarn Deposits • Practical Advice for Milling Hard Rock Ores • Forrest Fenn Treasure Chest Finally Found? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices