All Articles
The Guyana Highlands
October 2004 by Edgar B. Heylmun, PhD
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.Additional articles that might interest you...
Ask the Experts
April 2014
Buying a turquoise claim
Buying a turquoise claim
The Petersville—Yentna Goldfields
February 2007
Upon first entering this district in the early 70s, the trip into the Petersville area by vehicle was risky at best, especially during rainy periods in summer. The road has been improved somewhat since then, but not much.
Upon first entering this district in the early 70s, the trip into the Petersville area by vehicle was risky at best, especially during rainy periods in summer. The road has been improved somewhat since then, but not much.
Prospecting Australia—Part III Anatomy of a Nugget Patch in Western Australia
December 2011
One of the most memorable nuggets I found in Australia was detected on the very last day that I was out prospecting. I was going along swinging my coil and I came across a blaring loud signal that almost blew my ears off.
One of the most memorable nuggets I found in Australia was detected on the very last day that I was out prospecting. I was going along swinging my coil and I came across a blaring loud signal that almost blew my ears off.
Lake County "Diamonds"—Renewed Value for an Old Favorite
August 2003
A Northern California county is experiencing a renewal in the desirability and subsequent value of an old favorite: Lake County “diamonds.” These stones are not true diamonds, but for generations they have held a special place in the...
A Northern California county is experiencing a renewal in the desirability and subsequent value of an old favorite: Lake County “diamonds.” These stones are not true diamonds, but for generations they have held a special place in the...
Ask the Experts
August 2013
Q: What's the difference between a header box and a crash box?
Q: What's the difference between a header box and a crash box?
Ganes Creek Hits 10 Years—Part II
June 2012
You keep all you find at Ganes, with weekly tallies kept for a loose competition that I find helps motivate me. I seriously try to find more nuggets than anyone else in a given week, and usually make it or close to it.
You keep all you find at Ganes, with weekly tallies kept for a loose competition that I find helps motivate me. I seriously try to find more nuggets than anyone else in a given week, and usually make it or close to it.
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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
