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.
On February 16, 2001, in Olympia, Washington, a very unusual thing happened—prospectors and officials of the Washington Department of Fish and Wildlife (WDFW) finally engaged in a true dialogue and discovered that they weren’t enemies after all!
A proposed constitutional amendment to raise the cap on mining taxes can proceed as written, a state judge ruled March 14.
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Conservation groups hope to meld the three wilderness areas and surrounding parts of southwestern Oregon into one big wilderness covering 1 million acres—a move Kulongoski has endorsed.
I didn’t think too much of our dredge hole and we were both considering a move when we hit bedrock. There was a good quantity of flakes and fines, but no nuggets.
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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