There’s Still Gold In Oregon’s Umpqua River
January 2008 by David KnowlenThe Umpqua River, located in the heart of western Oregon, flows for several miles nearly alongside Interstate Highway Five.
All locations gave up some gold, but one particular section of exposed bedrock with steep, packed crevices kept giving us good, consistent results. We had found our spot.
During our visit during late May, 2011, the vertical nature of the mineralized areas was clearly visible, as were numerous examples of quartz-carbonate veins in shear zones, faults and folds.
The “Golden Triangle” dry placer district in Sonora, Mexico, lies some 80 to 100 miles south of the border. It is in desert terrain at elevations between 1,900 and 2,300 feet above sea level.
A treasure detective, like any detective, is looking for a clue from which he can develop information to solve a mystery. Who? Why? When? The detective sniffs out a trail that will lead eventually to some undiscovered cache of coins...
Behind every diamond engagement ring, every diamond earring, every glittering, multicarat expression of true love once loomed the shadow of De Beers, the cartel that controlled—and, some argue, created—the international diamond industry.
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
The Journal Welcomes Chris Ralph as Associate Editor • The Bawl Mill • Global Hunter • New Study of the Formation of Nuggets—Part II • Michigan DEQ Approves Upper Peninsula Mine • Let’s Go Crevicing for Gold • Mining Restrictions Lifted in Southwest Alaska • Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Conclusion • 2007 Annual Photo Contest Winners • Exploring La Trinidad Mine • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices