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Corralling Those Pesky Platinum Group Metals
June 2005 by Charles L. Butler
Some 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.Prospecting for Copper
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
Calico Mine
During the summer break of my first year of college in the late ‘50s, I was unemployed and bored, so my friends and I decided to do some gold mine exploration. We used to read a magazine called Treasure and had a good idea of where all the gold mines were located.
We’re Still Thinking About It
We have learned over the years, of course, that “previous development,” “roadless,” and “local support,” are in the mind of the beholder.
SB 838 and the Salem Witch Hunt
In every sense, this was a witch hunt with a preconceived agenda to heavily restrict or outright prohibit most small-scale mining in Oregon.
Great Basin Gold
The Great Basin, first named by Capt. John Fremont in 1843, consists of a vast region of internal drainage, occupying most of Nevada and western Utah, and parts of California, Oregon, and Idaho.
Rare Silver Nuggets And Their Origins
Silver nuggets have been described as “ultra-rare,” “prized” and “unique.” Naturally occurring silver nuggets are rare enough to suggest caution when purchasing. Fakes have reportedly been produced and misrepresented for sale as genuine specimens.
The Rand of South Africa
The republic of South Africa (pop. 45 million) lies at the southern end of the African continent, and has been responsible for much of the world’s gold and diamond production. The first Europeans to settle in the region were Dutch, but the British...
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