All Articles
Estimating Gold Values in Placer Gravels
May 2005 by Staff
The single most important question to be answered when evaluating a placer deposit is: “How much is it worth?” Accurate sampling of placer gravels is essential to obtain a reasonable estimate of the total gold values contained in the deposit.
Additional articles that might interest you...
Administration Considers Bypassing Congress
January 2000
With Congress showing little willingness to act, the Clinton administration is weighing whether to designate a dozen scenic and historic sites in the West as federal monuments to assure their protection.
With Congress showing little willingness to act, the Clinton administration is weighing whether to designate a dozen scenic and historic sites in the West as federal monuments to assure their protection.
The Bawl Mill
January 2011
• By the numbers...
• Railway plan is a bit off track
• By the numbers...
• Railway plan is a bit off track
Ask the Experts
August 2013
Q: How do I get gold out of a saturated solution of salt with nitric acid?
Q: How do I get gold out of a saturated solution of salt with nitric acid?
Prospecting for Gold at Green Valley
December 2012
In October, five of us decided to take an exploration trip into an area called Green Valley. This was perhaps ten miles upstream from where we had gone in September and the difficulty was access. One would think that based on the name it was an easily accessible area not far from a nearby town. This couldn’t be more wrong.
In October, five of us decided to take an exploration trip into an area called Green Valley. This was perhaps ten miles upstream from where we had gone in September and the difficulty was access. One would think that based on the name it was an easily accessible area not far from a nearby town. This couldn’t be more wrong.
The Guaniamo Diamond Region, Venezuela—Part I
July 2010
The considerable richness of the gravels is shown by the fact that operators have successfully worked the same river sections for over 20 years.
The considerable richness of the gravels is shown by the fact that operators have successfully worked the same river sections for over 20 years.
Melman on Gold & Silver
July 2012
On a personal level, I have been part of the business, brokerage and financial columnist worlds for 45 years, since the mid-1960s, and in all those years, I have never seen a collection of negative news items similar to what has been published during the past month. In short, taken together they may very well be describing the end of the economic world systems as we know them.
On a personal level, I have been part of the business, brokerage and financial columnist worlds for 45 years, since the mid-1960s, and in all those years, I have never seen a collection of negative news items similar to what has been published during the past month. In short, taken together they may very well be describing the end of the economic world systems as we know them.
Gold Miners Hunker Down Amid Financial Storm
December 2008
North American mining companies are hunkering down to ride out a global economic slowdown; looking to rein in spending and perhaps delay some projects and exploration.
North American mining companies are hunkering down to ride out a global economic slowdown; looking to rein in spending and perhaps delay some projects and exploration.
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