Gold Deposits in Skarn
July 2003 by Edgar B. Heylmun, PhDSkarn 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.
George was considering filling his dredge floats with closed-cell foam, ensuring that there would be no area available within each float for flooding.
The Foresthill Divide in Placer County, California, has underneath its present surface a multitude of buried river channels, most of which paid enormously well in the Gold Rush years of 1850 to 1890.
I can’t remember the exact day, but I do remember I was 11 years old when my father Charlie Sr. took me prospecting for the first time. That’s the day the fire and passion for gold was first ignited in me. I was born and raised in Grand Forks, British Columbia, and was lucky enough to have a gold bearing creek about 10 miles from our home.
Q: In the November 2006 issue, you published an article “Bill to address RS 2477” regarding rights-of-way across public lands (HR 6298, introduced by Representative Steven Pearce of New Mexico). Will you please provide me with some information about how this panned out?
• DOI backs mill sites
• Arizona goes to bat for miners
• Battles continue in California
• Climate change legislation
Some experienced panners with the vigor and longevity to spend a full day panning in the small creeks and ravines can possibly find as much as a gram or more on a good day.
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