All Articles
San Francisco Mint and US Gold Reserves
June 2007 by Don Robinson
In 1717, Sir Isaac Newton, Master of the British Mint, established a fixed price for gold that was equivalent to around US$20.00 per ounce. This price was for bullion gold, refined to a purity of twenty-two karats (.917 fine).
Additional articles that might interest you...
Our Readers Say
April 1999
• "No small mining operation can afford this..."
• "The small arrastra still lives... "
• "...an effective defense against Green political efforts to lock the public off public lands."
• "No small mining operation can afford this..."
• "The small arrastra still lives... "
• "...an effective defense against Green political efforts to lock the public off public lands."
Successful Mineral Property Promotion
March 1999
Before you invite anyone to look at your mining claims, whether it's to find yourself a partner, to secure operating capital, or to interest a mining company, there are rock-bottom, basic requirements to consider.
Before you invite anyone to look at your mining claims, whether it's to find yourself a partner, to secure operating capital, or to interest a mining company, there are rock-bottom, basic requirements to consider.
Companies Scramble to Boost Copper Production
June 2005
Soaring prices for copper and molybdenum are producing record profits for mining companies and new jobs in some Arizona towns.
Soaring prices for copper and molybdenum are producing record profits for mining companies and new jobs in some Arizona towns.
The Story Behind the Story
March 2013
Anyone who has found a patch knows the difficulties involved. Those who haven’t can guess, and with any effort will soon realize it.
Anyone who has found a patch knows the difficulties involved. Those who haven’t can guess, and with any effort will soon realize it.
Prospector Finds Cache of Emeralds in North Carolina
June 2000
"This is just the tip of the iceberg," Hill said. "It's going to take 200 years to dig it all out."
"This is just the tip of the iceberg," Hill said. "It's going to take 200 years to dig it all out."
Prospecting for Copper Ores—Part II
July 2012
Copper is a critically important metal that we need to run our modern electronic society, and the long term outlook for this metal is for a steady increase in price.
Copper is a critically important metal that we need to run our modern electronic society, and the long term outlook for this metal is for a steady increase in price.
Understanding and Evaluating Desert Mineralization for Nuggetshooters
July 2005
The primary source of many dryplacers is from the weathering of small to large hardrock sulphide ledges to yield free-gold, soluble salts and iron oxides. Placer gold, both large and small nuggets, can be found from the top inch down...
The primary source of many dryplacers is from the weathering of small to large hardrock sulphide ledges to yield free-gold, soluble salts and iron oxides. Placer gold, both large and small nuggets, can be found from the top inch down...
Subscription Required:
The Bawl Mill
• Ask the Experts—What is barite used for?
• Ask the Experts—Are you able to advise me on the status of HR3824?
• Our Readers Say
• Sulfides, Selenides and Tellurides
• Silver’s Shine is Back
• Rahall Looks to Rewrite 1872 Mining Law
• Forest Service Attempts to Close Public Access
• Revisiting Commerce Resources—A Tantalum and Niobium Mining Project
• The Seventymile and American Creek Goldfields
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
