Prospecting & Detecting
Proper Assaying of Placer Samples
November 2012 by Jim Halloran
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.Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
Detecting For Gold—Are You Up For It?
Over the years that I have been detecting for gold I have had many of the same questions come up. I decided to write this article to hopefully answer some questions that a person wishing to detect for gold may have.
Ask the Experts
NOI or POO for small backhoe
Prospecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
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.
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.
Romancing the Rock
With the exception of well-established operators with proven reserves and years of field experience, the high price of gold brought a flood of speculators, con men, and real estate brokers into the mix who were not previously engaged in the gold mining market.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• The Portable XRF Gun
• Gold Dredging on Oregon's South Umpqua
• The Struggle to Reopen Alaska's Largest Gold Mine
• Prospecting With a Detector: Lessons Learned
• The Rush to Treasure Hill
• Tips on Crevicing for Gold
• Using Google Earth and Other Maps
• Mining, Health Care & Taxes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







