All Articles
Dawson City and the World Gold Panning Championships
November 2007 by Don Robinson
Each year the World Gold Panning Association (WGPA) holds a world championship in one of the twenty countries that are members. The decision as to where to hold each championship involves many factors...
Additional articles that might interest you...
Ask The Experts—Columbium/Niobium
September 2008
Q: I have samples that have assayed 45-75% columbium/niobium. What is it used for? Do you know anyone who is actively processing this ore? Where should I go from here?
Q: I have samples that have assayed 45-75% columbium/niobium. What is it used for? Do you know anyone who is actively processing this ore? Where should I go from here?
Legislative And Regulatory Update
November 2011
• Republican bill would reopen Grand Canyon withdrawal
• Obama recommends additional fees and taxes on miners
• Republican bill would reopen Grand Canyon withdrawal
• Obama recommends additional fees and taxes on miners
Old-Time Mining Geology Books
February 2004
Geology books are best used by geologists, but many of the old-time books can be understood by most anyone who has an interest in rocks and minerals. Certain words or phrases may stump the layman, but just skip those parts and go on to the portions of the books that are easily understood. Some of the old-time mining geology books should be in every small miner’s collection.
Geology books are best used by geologists, but many of the old-time books can be understood by most anyone who has an interest in rocks and minerals. Certain words or phrases may stump the layman, but just skip those parts and go on to the portions of the books that are easily understood. Some of the old-time mining geology books should be in every small miner’s collection.
Mines and Money
July 2004
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.
How PGMs Affect Assay Beads
September 2001
Most fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...
Most fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...
Testing Ores for Free Gold
December 2011
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...
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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