Placer vs. Lode Gold
May 2001 by Jim StraightFor centuries gold has been a symbol of wealth for both individuals and nations. Because of its chemical and physical resistance it has been widely sought after by early explorers whose only motive was to find new sources of gold.
Until just recently, platinum-group metals (PGMs), especially palladium, had been holding their own on the market. But, Russia has now resumed shipments and it has brought prices down.
"This is just the tip of the iceberg," Hill said. "It's going to take 200 years to dig it all out."
After a while I got a very nice signal and out came a sweet kidney-shaped bit of gold weighing about three grams.
The research I did for “Gold in the Slate Creek Basin” (September 2011 issue) found me chasing a channel out of the LaPorte territory headed towards the old mining town of Brandy City, California.
• Update on suction gold dredging
I stayed on the nozzle (about 25 pounds) and Dave moved rock. We worked the hole for two and a half days. Most of the time was spent moving overburden.
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
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