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Rio Tinto: Allegations Without Foundation
August 2009 by Associated Press
Bribery allegations against four Rio Tinto employees detained in China are “wholly without foundation,” the mining company said, as Australia continued to press Beijing for details of a case that is straining ties between the two nations.Using a Winch to Work Smarter, Not Harder
It’s really a kick to watch a boulder weighing several tons moving out of your dredge hole and onto the cobble pile being pulled by a cable attached to your portable winch.
Enrichment of Mineral Deposits by Weathering—Part II
While both zinc and lead deposits also are enriched by the surface weathering process, in part two we will look at the enrichment process for copper and also gold deposits, and at the interpretation of leached outcrops to figure how rich the concentrated deposits below them may be.
The Seventymile and American Creek Goldfields
Author’s note: If you ever contemplate prospecting on the Seventymile River, beginning at the mouth, make sure your will is up to date, and you’ve said goodbye to loved ones. If the mosquitoes don’t get you on the way up, you’ll surely drown in the river or wear yourself out thrashing through the brush.
Picks & Pans: Miner Finds Heart of Gold
We started planning for this trip last year, after we left Ganes Creek, Alaska, and headed back to civilization. I found 4.75 ounces of very nice nuggets and the group had a total of 47.47 ounces for the week.
Secrets of Successful Prospecting
Winter is the time for research, and if you haven’t already done some research to find new places to prospect, now is the time to cram in some last minute research before the good weather arrives.
Nuggetshooting Eluvial Placers in the Western United States
The future is still good for anyone wishing to use a metal detector to nuggetshoot residual and hillside eluvial placers. Since these placers are easily overlooked, the key to opening the door marked "success" is the willingness to do research.
Picks & Pans: The Glory Hole
I started the New Year of 1998 with great anticipation of finding that elusive vein of gold. Twice a year I planned my vacation carefully, not to miss the Fourth of July and Labor Day weekend. I wanted to be smack in the heart of the Downieville gold field.
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