Over the Divide

January 2014 by Scott Harn

Eastern Arizona: Gold and Base Metal Deposits—Part I

February 2011
Arizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.

The Giant King Mine

July 2014
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.

Sierra County Gold—Part II

January 2014
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.

Restoring the Rule of Law to US Mining

February 2004
Senator Ben Nighthorse Campbell (R-Colorado) sponsored the Federal Agency Compliance Act (S-1166) in the 105th Congress to prevent bureaucrats from abusing their office by ignoring federal case law. This legislation apparently failed, but is still needed. During the Clinton administration, Interior Secretary Bruce Babbitt illegally directed the Bureau of Land Management (BLM) to...

Melman on Gold & Silver

October 2001
Deadlines are something we must live with at ICMJ as with any other publication, and as this columnist’s deadline approached early Tuesday morning of September 11, I turned on the financial channel to get some last pre-market commentary before completing this month’s column. What I saw was virtually beyond belief. A jetliner had just crashed into one of the two towers of the World Trade Center...

Legislative and Regulatory Update

September 2009
• Roadless Rule revisited
• Kensington finally gets stamp of approval
• Interior places restrictions on mining claims near Grand Canyon

Metal Detecting for Gold Within Andesite and Basaltic Volcanic Mining Districts

May 2006
Andesites and basalts are the most common volcanic rocks in the North American Cordillera. The andesites originated within the earth’s continental crust, while the basalts originated within the mantle.  According to the Plate Tectonic theory...

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