All Articles
Placer Gemstones
December 2001 by Edgar B. Heylmun, PhD
Only the so-called “precious gems” will be considered in this article. They are diamond, ruby, sapphire, and emerald. A “gem” must be rare, hard, and durable, and possess a unique color or quality in order to be classified as a gem.Additional articles that might interest you...
Refractory Gold Processing
February 2013
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
Gold Deposits of Georgia
June 2008
The first actual discovery of gold made on the lands of what is now the State of Georgia is shrouded in the mist of history.
The first actual discovery of gold made on the lands of what is now the State of Georgia is shrouded in the mist of history.
GATA Update
March 2001
GATA’s claims of gold market manipulation “were publicized by the South African press and were presented to important South African officials,” stated Murphy in a recent press release. Here are a few of the highlights:
GATA’s claims of gold market manipulation “were publicized by the South African press and were presented to important South African officials,” stated Murphy in a recent press release. Here are a few of the highlights:
Are There Any Good Prospects Left?
November 2013
This type of thinking will get you discouraged pretty fast, and soon all of your mining equipment will be found gathering dust in your garage.
This type of thinking will get you discouraged pretty fast, and soon all of your mining equipment will be found gathering dust in your garage.
Legislative and Regulatory Update
April 2011
• Oregon dredging bill defeated
• California bill would exempt dredgers from permitting
• Possible ESA listing
• Washington State tries to impose more fees on miners
• Oregon dredging bill defeated
• California bill would exempt dredgers from permitting
• Possible ESA listing
• Washington State tries to impose more fees on miners
The Bawl Mill
June 2005
• Greenpeace goes down with the ship...
• Airing your dirty laundry...
• Greenpeace goes down with the ship...
• Airing your dirty laundry...
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