Greenstone Belts in Minnesota
August 2005 by Edgar B. Heylmun, PhDGreenstone 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.
…they continue to strut around and make declarations and proclamations as if they were still in positions of power. In other words, in political terms, they haven’t “got the message” that they are now in a minority position…
I often wonder if I would have felt the same about gold prospecting if my father had introduced me to it at a young age. Would I have the same passion and fascination that I do now? How much further along the learning curve would I be if...
• Oregon proposes to stop mining in “scenic” waterways
• More news from Oregon
• Interior Department finally back online
• Alaska DNR departures
Lots of prospectors are trying out nugget detecting for the first time and finding out that it isn’t all that easy. In fact, in my opinion, metal detecting for nuggets is perhaps the most difficult form of prospecting that one can take on.
Before it was over, 200 buckets of gravel and gold were swished and swirled in competition to determine who was the best gold panner in the County.
…there is now concrete evidence that growing numbers of investors and other concerned observers are now turning to gold as a storehouse of value in these potentially troubling times.
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