August 2001 by Edgar B. Heylmun, PhDGold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.
...day one was like watching the Gold Rush television show. He furiously worked the nozzle in an up and down fashion that resembled Jack Hoffman sitting on a backhoe.
Over one hundred years ago, gold mining in California saw a radically new method tried out in the major rivers of the Central Valley. Large gold dredges floated lazily but noisily on the waters, bringing up the rich gravel from deep below. With none of today’s environmental restrictions on such methods, the landscape was reworked into a maze of patterns along the rivers.
The Bunker Hill Mine is doing its part to help tsunami victims by sending crates of bandages impregnated with silver to Indonesia.
There are a few questions you will need to ask yourself before you apply for a suction dredge permit from the State Water Resources Control Board.
The Bawl Mill • Our Readers Say • The Public Process—Getting Involved and Making a Difference • Pacific Northwest Miners Request Help • USFS Roadless Comments Reopened • Basic Drywashing Principles • Fields of Gold • Picks & Pans: All That Glitters Pans Out Well! • De Beers Undergoes Overhaul • Gold in Michigan • Update on the West Mojave Desert Planning Area • 2001 Inductees to the National Mining Hall of Fame • Company Notes • The Spanish Silver of Mowry • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices