Prospecting & Detecting
Placer Sampling for the Small-Scale Miner
October 2021 by Chris Ralph
I have seen many samples taken originally with an eye toward getting the highest grades possible, but later someone claims that those results represent an average grade of the whole gravel deposit.
Late Fall Drywashing
Part of the good thing about this spot is that it is not that far from my home in the famous Virginia City mining district. Not everyone knows this, but the first discoveries around that area were gold placers.
Arizona Prospector Rescued from Mine Shaft
“I heard him hollering down in the hole as soon as I got there,” he said. “I was just glad to see him alive.”
Gold Detecting Strategies for Hydraulic Mines and Debris Flows
The old timers typically washed these areas down to bedrock, and some areas appear terraced. I would imagine this is because these hydraulic mines were generally where the miners found old Tertiary river channels on the sides of mountains that were gold-bearing.
Mining Claims: Breaking All The Commandments
So, I took the plunge. I decided on the maximum I would pay for the claim, then placed my bid. A day later I received a congratulations e-mail that I was the high bidder, and oh, by the way, send us your money.
Gold in the San Francisco District Oatman, Mohave County, Arizona
I suspect detailed geological mapping and prospecting would lead to discovery of one or more overlooked gold deposits in the district even though it has been heavily prospected in the past.
Springtime Sampling In The High Desert
As the ground thaws and dries out and the warmth of spring starts to settle in, it’s time to start afresh with a new prospecting season.
All About Trommels and Screens for Placer Gold Recovery
The right speed accumulates only the heavy materials and allows all of the lighter stuff to flow through. This optimum speed is dependent on the size of the gravel you need to move through the system.
Subscription Required:
The Bawl Mill
• Ask The Experts - Is the trumpet plant a good indicator of minerals?
• Ask The Experts - Why won’t my detector respond on wire gold?
• Ask The Experts - Should I be able to locate gold near old volcanoes?
• Secrets of Gold Research and Why You Need It
• Detecting 'New Again' Spots
• The Miner’s Theme Park: MINExpo 2021
• Downieville: Another Gold Rush Favorite
• Gold Prospecting for Better or Worse: The Disappearing Nuggets
• National Mining Hall of Fame Names 2021 Inductees
• Lithium Fuels Hopes Around Salton Sea
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices