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
October 2011
• Good news on EPA regs
• California rewards key appointment to dredging foe
• Republicans seek to block creation of National Monuments
• Zimbabwe threatens seizure of mining rights
• Good news on EPA regs
• California rewards key appointment to dredging foe
• Republicans seek to block creation of National Monuments
• Zimbabwe threatens seizure of mining rights
Small-Scale Mining with a Dozer and Detectors
December 2007
Even the best of metal detectors are only capable of seeing a certain distance down into the sand, gravel and rock of a placer deposit. Once all the gold that can be reasonably seen by a metal detector has been harvested, it can be difficult to...
Even the best of metal detectors are only capable of seeing a certain distance down into the sand, gravel and rock of a placer deposit. Once all the gold that can be reasonably seen by a metal detector has been harvested, it can be difficult to...
ICMJ 10th Annual Photo Contest Results
January 2001
The Bawl Mill
July 2002
• Down on the farm...
• Who you gonna call...
• Deceased still collect wages...
• Down on the farm...
• Who you gonna call...
• Deceased still collect wages...
More Tennessee Gold
July 2009
I was well on my way in learning about gold prospecting after my successful adventure panning for gold at Coker Creek. It didn’t take me a whole lot of days of panning to decide I needed something better so I could...
I was well on my way in learning about gold prospecting after my successful adventure panning for gold at Coker Creek. It didn’t take me a whole lot of days of panning to decide I needed something better so I could...
Elections May Bring Rush to Republic of Congo
August 2006
Elections in the Republic of Congo may bring a mining boom to a country that has been ravaged by wars and corruption.
Elections in the Republic of Congo may bring a mining boom to a country that has been ravaged by wars and corruption.
Subscription Required:
The Bawl Mill
• Our Readers Say
• The Paradox Basin—Part II
• A Sleeping Giant
• Buying a Used Gold Dredge
• Looking Back
• Gold in Vermont
• 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
• Mining Stock Quotes and Mineral & Metal Prices
