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.
There are some miners who are under the impression that an organized Mining District will immediately get the regulatory agencies off their backs so they can start digging or dredging again.
My wife and I spent three years laying the groundwork to build a processing mill for gold, silver, lead and some zinc in the Sierra Madre Mountains of Northern Mexico, in the state of Sonora. In this installment, I describe how we purchased the land to build the new mill.
Sen. John McCain stated recently that if elected president, he would overturn President Clinton's executive order putting more national forest land off-limits to logging.
You will find a few articles in this issue that you wouldn’t normally expect to see in the Journal. Don’t fret—we’re not changing our focus, but the time seemed right to address a few pressing topics.
Last month we witnessed numerous news items that appear to confirm a new, and perhaps ominous, trend in America’s relationships with the rest of the world. We are referring to a visible increase in America’s vulnerability to foreign actions.
He got out his new salt gun and began searching for the source of the intruder. He soon isolated the sound to a point in the rafters above the stove.
I (enjoy) Twain’s description of a gold mine, “A hole in the ground with a liar at the top.” Some humor here? You bet, but I’m sure he meant it to be a real eye opener as well.
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