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Mining Boom May Be In Store For Upper Michigan
February 2009 by John Flesher
Companies are exploring at least 14 areas in Michigan’s vast Upper Peninsula for possible mine development. The activity suggests the potential revival of an industry that defined the region’s economy and culture for more than a century—beginning in the mid-1800s—before gradually fading because of higher operating costs and competition.Ask The Experts: What indicator rocks should I be looking for in northern Nevada?
Q: Can you tell us what the indicator rocks are? I’ve looked at the nearby digs and pushes that were made for gold and it looks like we’re digging on some similar material...
Prospecting for Silver With a Geiger Counter
Light-colored volcanic tuff or tuffaceous sandstone often contains small amounts of uranium, enough to be detected with a sensitive radiation detector. Sometimes, the mass effect of the radiation is substantial.
Picks & Pans: All That Glitters Pans Out Well!
Armed with my heavy bucket of gravel and, most importantly, my gold pan, I anxiously waded knee-deep into the mucky water. At the ready, the swish-swash splish-splash was all I heard as I hurriedly shook my gold pan, turfing out all the bigger bits of rock and clumps of mud. My clean clothes and even my face were soon splattered with mud in my race to pan as much gold in 20 minutes as my spindly arms would allow!
Ask the Experts—How do I remove gold from black sands?
Q: I’m a fairly new dredger. I was told that the black sands contain fine gold that is tough to see and recover, so I have been saving the black sands when I do my clean up. What method should I use to get the gold out?
Clean Fuel, Cleaner Air
A-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.
The Lengendary Lost Gold of the Headless Valley
Since 1906, when the McLeod brothers’ skeletal remains were first found tied to trees with missing heads, prospectors have been going into the Nahanni in search of elusive gold. A lot of those who lust for Nahanni gold have never been heard of or seen again.
Mining Companies Competing for Labor
Brian Barclay makes a 275-mile commute across Colorado every week to work near this dusty little town, drawn by a natural gas boom that has added trucks, cranes and hundreds of people to the rocky landscape.
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