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Cuba Revisited
August 2000 by Edgar B. Heylmun, PhD
The island of Cuba, 720 miles in length, lies 95 miles south of Key West, Florida, and 180 miles south of Miami. The island separates the Atlantic Ocean from the Caribbean Sea. Most of the island consists of rolling country under 500 feet in elevation, but there are a few small mountain ranges.
Picks & Pans: Basic Dry Washing Operations in Gold Placer Mining
Some of the advantages of dry washing operations are low overhead costs (inexpensive methods and equipment), and the fact that many mining operations can be conducted by one or two individuals.
Finding Gold With Copper and Turquoise
The signs of copper, which the prospector most commonly sees in the field in outcrops and on the surface, are secondary minerals caused by the action of air and water on the original copper-bearing sulfides that were deposited deep...
Prospecting Hard Rock
We panned out maybe three gold pans of the material and we were shocked at the gold that was there. This rock appeared to be rich.
Detecting for Gold in Australia
When I got back to my patch, every signal was a nugget, and I was burning up with the gold fever.
Northern Dynasty To Appeal Alaska Permit Rejection
The proposed mine would be built on state-owned land in the Bristol Bay region, near the world’s largest wild sockeye salmon fishery.
Critical Minerals: Tungsten
Because tungsten minerals are heavy, exploration can be done using stream sediment samples. Prospectors looking for gold have found scheelite or wolframite in their placer concentrates, and in some cases this has led them to make important tungsten finds.
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