Corralling Those Pesky Platinum Group Metals
June 2005 by Charles L. ButlerSome assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
• Drones for the independent prospector
A retired gold prospector spent hours digging up his fortune in the northern goldfields near Kambalda, Western Australia, after finding the target with his metal detector.
The town of Quartzsite, with a permanent population of about 2,000, was founded as a stage stop in 1866. It is situated on the broad La Posa Plain, a north-trending desert valley, at an elevation of 875 feet.
On July 9, 2004, Under Secretary of the Department of Agriculture, Mark Rey, published the “Interim Rule.” By its own terms, the Interim Rule became effective on August 9, 2004, without regard to public comments. Public comments were, however, received until September 7, 2004.
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There is no question metal detectors can be used to find paystreaks, but the method I am going to describe may not be exactly the procedure some prospectors would expect.
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