All Articles
Gold Deposits in Skarn
July 2003 by Edgar B. Heylmun, PhD
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.Additional articles that might interest you...
The Bawl Mill
December 2004
• Don't expect Santa to be healthy this Christmas
• Fast-food delivery
• Just in time for the holidays
• Don't expect Santa to be healthy this Christmas
• Fast-food delivery
• Just in time for the holidays
Gold in Nevada
August 2002
Over 135 million ounces of gold were produced in Nevada between 1858 and 2001, 107 million of that total being since 1965. Now, the so-called “Silver State” is the leading gold producer in the nation.
Over 135 million ounces of gold were produced in Nevada between 1858 and 2001, 107 million of that total being since 1965. Now, the so-called “Silver State” is the leading gold producer in the nation.
Greenstone Belts in Minnesota
August 2005
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.
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.
Hardrock in Downieville
November 2000
A recent weekend trip found us leaving the Grass Valley, California area to meet up with some friends in Downieville.
A recent weekend trip found us leaving the Grass Valley, California area to meet up with some friends in Downieville.
A Rich Gold Strike at Scossa
January 2002
The old mining camp of Scossa, in Pershing County, Nevada, was located 6 miles from the nearby ghost camp of Rosebud and approximately 20 miles northeast of the once famous mining town of Seven Troughs. Fifty- two-year-old Charlie Scossa was already a seasoned prospector from California when he went in search of another rich strike in the high deserts of northwestern Nevada in 1930.
The old mining camp of Scossa, in Pershing County, Nevada, was located 6 miles from the nearby ghost camp of Rosebud and approximately 20 miles northeast of the once famous mining town of Seven Troughs. Fifty- two-year-old Charlie Scossa was already a seasoned prospector from California when he went in search of another rich strike in the high deserts of northwestern Nevada in 1930.
Piggin' for Gold
May 2015
Take a look at the picture—it’s pretty simple and you can build it yourself.
Take a look at the picture—it’s pretty simple and you can build it yourself.
Subscription Required:
The Bawl Mill
• Our Readers Say
• PLP Members Win Occupancy Case—Appeals Continue
• Prospecting for Iron in Alaska
• Picks & Pans: Highbanking on the American River
• Platinum Firm, Palladium to Remain Weak
• Spencer Opal Deposits, Idaho
• Company Notes
• Hillside Placers
• Elko Mining Expo a Success
• Gold Prospecting in Alberta
• National Mining Hall of Fame to Induct Six
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
