All Articles
The Skaergaard Intrusion
December 2004 by Brian Mooney
First put on the map by two British geologists in the 1930s, the Skaergaard igneous intrusion on East Greenland’s rugged mountainous coast is arguably one of the most studied and researched rock bodies in the world.
Over the Divide
Charles L. Butler
1920 - 2014
California Water Board Tries to Restrict Dredging
She explained that she didn’t like the numbers that the computer model gave her for this section of river, so she “adjusted the numbers by hand” to more accurately reflect what she thought they should be.
Placer Mining in Canada's Yukon Territory
Frank Taylor’s family has been mining in the same area of the Yukon Territory since 1935. He’s been working his current placer operation on Duncan Creek near Mayo since 1975.
Mother Lode Gold, California
Included here is a portion of an article entitled “The Mother Lode of California” written in 1898 by Ross E. Browne. He was a son of J. Ross Browne, adventurer and writer, who won fame for his reports to the US Congress on the mineral resources of the...
Testing Ores for Free Gold
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
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