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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.You Want a Ripoff? Here's a Ripoff!!
Submitted by Jeff Harris
Executive Director
People for the U.S.A.
Chasing Float Gold—The Starry Night Wash
The sun was beginning to set, which put the light at just the right angle against the hillsides to where I believed that I spotted a very small dig and tailings pile up the hill near the top of the second wash.
Determining the Amount of Gold in a Quartz Specimen
Many prospectors who find specimens of rich quartz with visible gold often wonder about the gold content of their specimens. Pieces with significant visible gold can sometimes be found at hard rock mines, by prospecting...
Locating Intrusions in Host
August 2023Melman on Gold & Silver
In our opinion, these dizzying up and down moves reflect not so much a change in the direction of hard data, but rather fluctuations in sentiment regarding the degree of danger relating to the overall international economic structure.
Reality of the Klondike
I saw gold this summer. The kind of gold that I haven’t seen since ‘81. The kind of gold that rattles in the pan. The kind of gold that would start a stampede—even in 1898.
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