History & Geology
Copper Deposits of Alaska
February 2014 by Steve Herschbach
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
Additional articles that might interest you...
Why Did This Silver Mine Close? - Pt III
December 2014
Narrowing down a closure date will allow you to check the commodity price during that time and possibly confirm that a low price, rather than a lack of ore, was the driving force that closed the operation.
Narrowing down a closure date will allow you to check the commodity price during that time and possibly confirm that a low price, rather than a lack of ore, was the driving force that closed the operation.
Ancient River Channels of Trinity County
June 2013
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
California's Mother Lode Quartz Veins
May 2015
The actions of the hot, ore-bearing solutions are not limited only to the deposition of material within the walls of the fissures.
The actions of the hot, ore-bearing solutions are not limited only to the deposition of material within the walls of the fissures.
Gold Deposition and Gradients of Placer Streams—Part I
June 2012
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...
All the Gold Ever Mined...
February 2012
If you have been prospecting for any length of time, then you have probably heard something like, “All the gold ever mined would equal a cube 60 feet on each side.”
If you have been prospecting for any length of time, then you have probably heard something like, “All the gold ever mined would equal a cube 60 feet on each side.”
Gold Rush Continues in Africa
March 2015
…some miners are doing exceptionally well… with a few obtaining amounts estimated in the millions of dollars.
…some miners are doing exceptionally well… with a few obtaining amounts estimated in the millions of dollars.
Gold Placers of the Kenai Peninsula, Alaska
January 2014
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
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