Bering Sea Gold—Part I
April 2012 by Jim HalloranThe popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
Setting up a gravity dredge
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
“Wealth beyond your wildest imagination.” Those were the words that were used to inform me of how much gold was in a paleo channel that exists beneath the present channel of the Similkameen River in the State of Washington; words that have echoed in my mind for the past sixteen years.
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
The Bawl Mill • Ask the Experts • Ask the Experts • Prospecting Homonyms • Revisiting an Old Mine in Idaho Reaps Rewards • Today's MSHA • Following Clues to a Lost Gold Deposit—The Northern Extension of the Cedarberg • Safety With a Tax Deduction • Who Says You Have to Own a Claim to Find Gold? • US Policies Holding Back Arizona • Judge Gives OK to Nevada Mining Tax Initiative • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices