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.Update: Public Lands for the People
Gold Deposition and Gradients of Placer Streams—Part I
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...
The Elusive Mother Lode
With history so often repeating itself, you can’t go wrong searching for gold using modern exploration techniques and exploration theories in regions of historic gold activity.
The Bawl Mill
• More on the "Affordable" Care Act
• Abandon (citizen)Ship!
• USDA makes "grave" payment errors
Ask The Experts—Is it possible for a mountain range to have good lode gold deposits and yet the area streams not carrying like deposits of gold?
Q: Is it possible for a mountain range to have good lode gold deposits and yet the area streams not carrying like deposits of gold? Or do the two go hand-in-hand?
Springtime Sampling In The High Desert
As the ground thaws and dries out and the warmth of spring starts to settle in, it’s time to start afresh with a new prospecting season.
Ask The Experts — Could you please write an article explaining core samples?
Q: How about an article on understanding core samples? I am getting emails from mining companies with core sample reports and I am not sure as to what I am reading!
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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
