All Articles
Picks & Pans: Prospecting for Lode Gold
October 1999 by Edgar B. Heylmun, PhD
Most of the world's ore deposits have been found by prospectors, not by geologists nor mining engineers. This article has been prepared with this fact in mind.
Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
What's In A Name?
The names attached to these areas came about from many sources. Many are easy to see why the name was given while others had a more contrasting note to them.
Pocket Gold in Gneiss
Metamorphic rocks such as gneiss and schist are known for their pocket gold deposits. Such pockets may not be large enough for major mining operations, but may be very rewarding for individuals or small companies. Gold-bearing quartz veins may cut gneiss or schist, but often the veins parallel the bedding, or foliation. The origin of mineralized veins, which parallel the foliation, has been kicked around for years.
CA Supreme Court Rules Against Rinehart - But There Is A Solution
Even if the California Supreme Court had ruled in favor of Rinehart, suction dredge miners would be facing the wrath of the State Water Resources Control Board...
New Study of the Formation of Nuggets—Part II
Last month we took a look at the origins of coarse gold nuggets and the results of some new science about how they form. This new information pointed out that many nuggets once thought to be of secondary origin are formed under hot conditions...
Prospector Finds Cache of Emeralds in North Carolina
"This is just the tip of the iceberg," Hill said. "It's going to take 200 years to dig it all out."
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
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