The Furnace Atmosphere During the Fire Assay
January 2001 by Dr. Ralph E. PrayIt 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.
• The sky is falling...
• Unwanted money...
• Snow cones for safety
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• Saved by creative math
• Judge in Bundy/Gold Butte trial takes it one step further
• No real loss for the National Park Service
• Time to redefine “non-essential”
• Who’s in charge of the button?
On Saturday afternoon, February 13, Tom Rose, 36, of Downieville, California was trying out some new metal detector earphones in the area of the Downie River...
A few years ago I had a tremendous opportunity to visit Australia and hunt for gold there. The geology of the gold deposits there was somewhat different from what I was used to here in the US. I learned a lot about greenstone belt gold deposits while prospecting them in person, and it was an amazing trip.
It seems like we cannot get away from the major themes as each month we continue to receive important news on the same general categories such as housing, global warming, Iran, weakness in the US Dollar, etc. Unfortunately, if variety happens to be your cup of tea, the same categories have dominated the news once again.
This stringer was where it was not supposed to be, and it contained nuggets that were not supposed to be there.
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