All Articles
Agency Gives Initial Backing to Kensington Mine
June 2004 by Associated Press
A state funding agency has given the initial OK to financing $20 million in debt to move the Kensington gold project near Juneau toward becoming a working mine.A Warning About Mercury
I was working on an article to submit to you and had been for a couple of months. It won’t be the first. I had something occur that made me put off the article—safety! My article was concerning mineral processing at home.
Ask The Experts—Extraction of micro gold from black sands
I know big mining companies use cyanide and other leach systems to recover gold from ore. Is this the only economically feasible way to recover the values?
Exploring La Trinidad Mine
This was a trail for a mountain goat. It was wide enough for a person to travel, clear enough except for lots of broken shale, but steep, really steep. I was beginning to question my sanity as the eight of us dropped almost 1,200 feet down the mountainside in order to locate La Trinidad Mine. Just as it seemed we might have missed it, there it was in all its glory.
VMS Deposits in Central Arizona
Volcanogenic Massive Sulfide (VMS) deposits in the Central Arizona Precambrian volcanic belt occur within a felsic package of volcanic rocks capped by an exhalite unit comprised of cherts, iron formations and siliceous members.
Recent Prospecting in Plumas County
Plumas has been historically rich in gold because of its favorable geology. The Melones Fault trends north-south through the county and many rich gold-bearing districts lie along its course.
Sage-Grouse Listing Denied
The federal government decided not to add the greater sage-grouse to the list of endangered species. A listing would certainly have resulted in countless new restrictions across the Western states.
Gold in Gossan
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
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