All Articles
Simple Sluice Design
October 2002 by Michael S. Murray
One of the first pieces of prospecting equipment I acquired was a really nice little aluminum backpack sluice. I’ve used it for some time now and have always been impressed with how well it works for keeping the fine wire gold. But ever since I got on the Internet and started looking around for prospecting stuff, I have been toying with the idea of making a flexible conduit sluice.Additional articles that might interest you...
Miner's Cabin—Red Shack Territory
June 2009
As we approached the river the view was outstanding and the sight was encouraging. A ravine coming down on the right side had been worked heavily, with rock piled back on each side. That surely meant there was gold somewhere close.
As we approached the river the view was outstanding and the sight was encouraging. A ravine coming down on the right side had been worked heavily, with rock piled back on each side. That surely meant there was gold somewhere close.
The Bawl Mill
January 2014
• If you don't like the numbers, make up your own!
• By the numbers
• And the award goes to...
• If you don't like the numbers, make up your own!
• By the numbers
• And the award goes to...
Alternative Gold Leaching Methods
January 2014
The ideal leaching chemical would leave behind what we don't want or need in the ore and take only the valuable metals.
The ideal leaching chemical would leave behind what we don't want or need in the ore and take only the valuable metals.
Legislative and Regulatory Update
October 2000
• Bush probably could take back monuments. But would he?
• Oregon Group Needs Your Help
• Critical Habitat Proposed for California Red-legged Frog
• Bush probably could take back monuments. But would he?
• Oregon Group Needs Your Help
• Critical Habitat Proposed for California Red-legged Frog
Calcite and Limestone
February 2017
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
Prospector's Guide to Rock Breaking and Blasting
December 2016
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico
February 2007
My wife Ann and I moved three years ago to the Pueblo of Arivechi, Sonora, in order to be near the mining concessions we owned and to build a precious metals concentrating mill.
My wife Ann and I moved three years ago to the Pueblo of Arivechi, Sonora, in order to be near the mining concessions we owned and to build a precious metals concentrating mill.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Placer Gold in Idaho
• Working the Belmont Mine Butte, Montana—1953
• Cobalt and Nickel in Missouri
• Sunshine Mine Video Brings Back Painful Memories
• Hardrock Detecting
• Gold Garbage: Scams New & Old
• Company Notes
• Picks & Pans: Confessions of a Professional Nuggetshooter
• Gondwana Gold and Diamonds
• Looking Back
• Ghost Towns of Washington County, Utah
• The Fire Within
• 2002 California State Gold Panning Championships—Foresthill, California
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
