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...
The case is Fortner & Montana Multiple Use Association v. Broadwater County Soil Conservation District, Cause No. DV-04-45. Fortner is a miner who owns patented mining claims in Confederate Gulch in Broadwater County.
Strong gold prices are making it profitable to keep the Golden Sunlight Mine here open through 2015, company officials said.
Seasonal wilderness-area rangers have been among the first to go as Forest Service managers juggle budget demands.
Somehow, we received the impression from these two gatherings and from other conversations that bureaucrats in general are simply not aware of how difficult it is to raise capital to finance mining operations and how important it is for newer companies to show true progress in order to receive further financing.
This concept of detecting does not always work as we sometimes get a week or so where the temperatures rise to 116°—sometimes more.
The Nevada Supreme Court ruling last April in a Newmont Mining Corp. gold mine case was erased by a high court panel.
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.
The Bawl Mill • A True Endangered Species • Guest Editorial—Vertical Disintegration • USGS Reports Increase of Imported Minerals • The San Juan Mountains, Colorado • A Silver Opportunity • Gold in Virginia • Picks & Pans: DEF Prospectors Rally Was a Huge Success • News From GATA • Our Nugget Shooting Adventure • Fly Fishing the Mine Tailings/Headwaters of the Clark Fork, Montana • Company Notes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices