All Articles
Greenstone Belts in Minnesota
August 2005 by Edgar B. Heylmun, PhD
Greenstone is a dark greenish-black basaltic rock which, along with chloritized schist, forms belts up to 50 miles wide in northern Minnesota, in rocks of Late Archean age. Most belts are 2.6 to 2.9 billion years old.Additional articles that might interest you...
Legislative and Regulatory Update
May 2015
Suction dredging court cases in California linger on
Suction dredging court cases in California linger on
Mining in Sonora, Mexico
November 1999
So you want to do some gold mining in Mexico. What do you need, where do you go, how do you begin? You begin before you even cross the border.
So you want to do some gold mining in Mexico. What do you need, where do you go, how do you begin? You begin before you even cross the border.
The Silver, Gold and Gemstones of Candelaria, Nevada
February 2015
The Candelaria area is of interest to prospectors not just for silver, gold and other metals, but also for the beautiful gemstones found there.
The Candelaria area is of interest to prospectors not just for silver, gold and other metals, but also for the beautiful gemstones found there.
Melman on Gold & Silver
January 2005
The year 2004 feels much like the fabled month of March, entering like a lion, remaining stormy for much of the time, but exiting like a lamb. It is almost eerie how there has been a reduction of tension throughout the investment communities, both conventional and precious metals, in the past few weeks.
The year 2004 feels much like the fabled month of March, entering like a lion, remaining stormy for much of the time, but exiting like a lamb. It is almost eerie how there has been a reduction of tension throughout the investment communities, both conventional and precious metals, in the past few weeks.
The Safety in Tax Deductions for Safety
July 2005
The not-so-silent partner of every small or large mining operation and business, Uncle Sam, has quite a bit to say about how safe the operation should be and how it should operate safely. Although the government rarely funds the rules and regulations that businesses are required to comply with, some relief can often be found in our tax laws.
The not-so-silent partner of every small or large mining operation and business, Uncle Sam, has quite a bit to say about how safe the operation should be and how it should operate safely. Although the government rarely funds the rules and regulations that businesses are required to comply with, some relief can often be found in our tax laws.
Prospecting for Diamonds
May 2008
In 1977, I was a young, inexperienced geologist hired to evaluate Wyoming’s diamond resources in the Colorado-Wyoming State Line district, and investigate and map all other mineral commodities in the state with the exception of oil, gas...
In 1977, I was a young, inexperienced geologist hired to evaluate Wyoming’s diamond resources in the Colorado-Wyoming State Line district, and investigate and map all other mineral commodities in the state with the exception of oil, gas...
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• Picks & Pans: Prospecting on Perry Creek
• 9th Circuit Court Hears Pilgrim Family Case
• The First Mine in America
• National Mining Hall of Fame to Induct Five
• Melman on Gold & Silver
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