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.
It is a fact that many of the well-known placer districts of the Western US have small veins that contain sparse pockets of coarse gold as their source. This is the main reason why many rich placer districts have seen little or no hard rock mining...
• Vista Gold Corp.
• Latitude Minerals Corp.
• Altair International Inc.
• Homestake Mining Company
• Kinross Gold Corp.
• Rayrock Resources Inc.
Q: Are there any mills that handle VMS ore?
How to read a river to find gold. In this second of a two-part series, we will take a look at how a river’s grade affects the formation of paystreaks, and how to go about reading a river to see the various catches and parts of a stream where...
Senator Ben Nighthorse Campbell (R-Colorado) sponsored the Federal Agency Compliance Act (S-1166) in the 105th Congress to prevent bureaucrats from abusing their office by ignoring federal case law. This legislation apparently failed, but is still needed. During the Clinton administration, Interior Secretary Bruce Babbitt illegally directed the Bureau of Land Management (BLM) to...
My brother Darryl and I had not had a prospecting adventure since January and we wanted to try out our new drywasher, so we decided to go for the weekend and check out some claims near Barstow…
Fast forward to present day and the XRF has come of age. Pull the trigger on the hand-held device and you get a nearly instant assay of the surface of a rock.
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