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The Guyana Highlands

The Guyana Highlands referred to here are a tropical upland area that extends from French Guiana on the east to Colombia on the west, with elevations reaching 9,219 feet. It occupies a vast and remote region between the Orinoco River on the north and the Amazon River on the south. There are mountains, tablelands, mesas, and swamps, largely impassable to those on foot.

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Problems finding gold with a detector

Will California Dredging Survive?


Assembly Bill 1032 has passed the California House of Representatives. The bill was authored by CalTrout and the Karuk Tribe, then introduced by Representative Lois Wolk.

The Giant King Mine


Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

Copper Mine Opening in Utah


A second copper mine is opening in Utah with prices for the metal at their highest in a decade.

Advancements in Non-Toxic Gold and Silver Leaching


The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.

We’re Still Thinking About It


We have learned over the years, of course, that “previous development,” “roadless,” and “local support,” are in the mind of the beholder.

Mining in Sonora, Mexico


So you want to do some gold mining in Mexico. What do you need, where do you go, how do you begin? You begin before you even cross the border.

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The Bawl Mill   • Update: Forest Service Interim Rule   • VMS Deposits in Central Arizona   • Prospecting with a VLF-Type Gold Detector   • Freegold Ventures' Golden Summit Project   • Picks & Pans: Working the Crevices   • Molybdenum   • 2004 California State Gold Panning Championships   • Company Notes   • Why Environmental Groups Prefer Kerry   • The French Mines of El Boleo   • Looking Back   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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