How PGMs Affect Assay Beads
September 2001 by Charles L. ButlerMost fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...
I recently returned from a nugget-shooting trip somewhere in the extensive Basin Range of Nevada. While there, I happened to meet “Young Fella,” a professional nuggetshooter.
The day has finally arrived. After five long years, much tribulation and many trial runs, today is to be a full day of production.
This assay system of ounces per ton sounds simple enough, but the use of the metric system and the additional measuring terms of “grams per ton” and “parts per million” (ppm) has created some misunderstanding of ore value.
By the end of the day Sunday there were a lot of tired panners! By then they could have panned more than 10 times to continue to advance. This was not a picnic!
The Nevada Senate introduced SB108 in 2009 to prohibit PVC piping utilized by miners to stake mining claims.
Look around for areas where you don’t see detector holes or drywasher piles and try your test hole at these spots to determine depth to bedrock.
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