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The Furnace Atmosphere During the Fire Assay
January 2001 by Dr. Ralph E. Pray
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.New Technology for Extracting Lithium To Be Tested in Nevada
Production of the Lithium will be completed in a 48-hour process with much less waste and a substantial increase of recovery rates from around 40% with conventional evaporation to near 90%.
Gold Indicators—What to Look for in the Goldfields
Some of the items that I’m going to go over are outcroppings, ditches, exploratory trenches and contacts/surface materials. I am going to speak about each of the above items in as much detail as I can, and then towards the end of this article I will tie them together.
Detecting in Australia's Pilbara Region
Situated in northwest Western Australia, Australia’s Pilbara is one of the most isolated and scenic places on earth. The tiny town of Marble Bar, Australia’s hottest town, sits amongst the ancient ranges and is a Mecca for tourists—and gold...
ICMJ's 12th Annual Photo Contest Results
Arizona's Youngest...and Oldest Prospector
I started with, "Hey, Rusty, tell me about the time..." and that was all it took.
Ask The Experts
What type of sluice box for my trommel?
Gold Hill, Utah
The Gold Hill (Clifton) mining district is located 162 miles, by road, west of Salt Lake City. All but the last 12 miles of road is paved. The settlement of Gold Hill (pop. 10) lies at an elevation of 5,321 feet in desert mountains, the highest of which, Dutch Mountain, is 7,800 feet above sea level. Ponderosa pine grows at the highest elevations, with a zone of pinyons and junipers below that.
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The Bawl Mill
• Over the Divide
• Our Readers Say
• Special Editorial: Gold Anti-Trust Action Committee Believes They Have the Evidence
• World Gold Council News
• Metal Detecting Within the Cordillera for Gold Placers Associated With Tertiary Epithermal Ore Deposits
• Picks & Pans: An Exciting Hobby
• Prospecting for Silver With a Geiger Counter
• The Hanging Tree
• Gold in Chihuahua, Mexico
• ICMJ 10th Annual Photo Contest Results
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
