Paleoplacers in the Black Hills
September 2002 by Edgar B. Heylmun, PhDThe Black Hills of western South Dakota are domal mountains that rise to 7,242 feet near Mt. Rushmore National Monument. Annual precipitation reaches 28 inches, enough to support winter sports and pine forests.
Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.
Legislation designed to provide full permit refunds to all suction dredge miners in California has been hijacked in an Assembly policy committee.
Last month I wrote an article entitled “Good Assays and Bad,” which gathered a few comments.
Have you ever wondered what it is going to take to stop the insanity of politicians and environmental groups from taking away our rights?
Has your experience ever led you to wonder why some gold is deposited on bedrock and in crevices, while other gold is not? We’re going take a deeper look at this and see what we can figure it out.
The Bawl Mill • What's In A Name? • Our Readers Say • BLM Swindles War Hero Out of Gold Mine • The River Runs Through It • DEF Has Another Successful Year • Fellow Miner, Left for Dead, Needs Our Help • PGMs in California • Picks & Pans: The Professional Nuggetshooter • Company Notes • Gold in the First Pan • Looking Back • Cedros Island, Mexico • The Eagle and High Peak Mines of Julian, California • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices