Why Assaying Placer Gold Deposits Doesn't Work
October 2020 by Keith Bowen
Let’s set up a thought experiment: Suppose you had some material that ran one ounce per ton gold, which is generally considered high grade to fantastic grade depending on the circumstances.
What today appears to be a “road to nowhere” was once a road to somewhere. At today’s precious metal prices that somewhere can be of great importance to you.
• Using drywashers to work desert gravels
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
Our research indicated this whole area had been claimed by Newmont mining company for several years, but when the price of gold dropped they let the claims expire, and we confirmed this with the local BLM office.
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
The first and most important thing of the sampling process is to try to be as unbiased as possible. There is a natural tendency to select rock that looks the best—even unconsciously.
“What does it take to get into gold detecting?” This may seem like a simple question, but the more I hear it, the more I realize it is a frequent question that needs to be answered.
The Bawl Mill • Ask The Experts - Too early to build the crusher? • Ask The Experts - Time for small mine exemptions • Ask The Experts - Should I be checking the culverts for gold? • Sniping for Gold—The Next Best Thing to Dredging • Hard Rock 101: Advanced Micro Blasting • Now Is The Time For Exploration • Gold in Unlikely Places—And 'Eating Crow' • From Iowa to Alaska—How I Became A Gold Miner • Jamestown and Our Mother Lode Gold Rush Adventures • Gold Prospecting for Better or Worse: Those Blasted Boulders! • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices