Massive Sulfide Deposits in Oregon
October 2000 by Edgar B. Heylmun, PhDThis article deals with massive sulfide deposits in the Klamath Mountains of southwestern Oregon, but it applies to massive sulfides found in California as well.
The need to bring mining back to North America is more urgent than ever.
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.
Over the years that I have been detecting for gold I have had many of the same questions come up. I decided to write this article to hopefully answer some questions that a person wishing to detect for gold may have.
There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
Most of the old large gold dredging operations used a trommel. The trommel consisted of a long metal cylinder made of heavy punch plate in which the small gravel, black sands, and gold would fall though holes and end up in banks of sluices.
We are heading into 2019 with a cautiously optimistic view. We feel we are very close to obtaining regulatory relief for miners, and believe this NDAA cycle will prove fruitful.
The Bawl Mill • A Word from the Editor • Under the Guise of Environmental Protection—EPA Revealed • The Centennial Lode and the Centennial Ridge District, Wyoming • Company Notes • Picks & Pans—In Search of Nome Creek Gold • Recreational Dredging on the South Yuba River • The Trapiches of Chile • Tales of Liberty Gold • Drywashing Alluvial Placers • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices