The Oquirrh Mountains, Utah
July 2013 by Bill Rich...we will visit three dormant mining districts that lie in the Oquirrh Range in Utah. Some major activity that transformed the lives of thousands of people occurred here from the mid 1860s to the late 1990s.
The Reno Masonic Lodge was built along the railroad tracks back when Ulysses S. Grant was president and shortly after the Comstock Lode of gold and silver was struck in Virginia City.
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
In this case, signs of gold were found at the bottom of the alluvial and then traced in a triangle up the face of the mountain until they stopped—that is where the digging began.
There is reason to believe these stream valleys are still rich with gold, silver and copper.
The Bawl Mill • Ask the Experts • Ask the Experts • The Birimian Greenstone Belts of West Africa • Study Confirms Mercury Levels Safe in California's Gold Country • All About Quartz—Part II • The Pearce Mineralized Area, Dragoon Mountains, Arizona • An Alaskan in the Lower 48 • Romancing the Rock • Placer Channel Sampling • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Record $11 Million Fine for California Mine