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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.
The Bawl Mill
• What goes up, must come down.
Highbanking on the Similkameen River
In digging the gravel, I found there were three flood layers present that were not there last winter, with about a foot of sand on top of the gravel. This was followed by eight inches or so of small rock and lots of broken granite material...
Melman on Gold & Silver
Two potentially important Canadian projects, which could have produced revenues in the billions and jobs in the tens of thousands, have now been officially abandoned and the reasons offered by both relate to the economic impossibility of successfully negotiating all the regulatory obstacles that have been presented.
Geologist's Search for PGMs Leads to Mining Venture
One look at a map of the northern portion of Ontario province in Canada clearly identifies it as an area of immense beauty. From Georgian Bay on Lake Huron across to Lake Nipissing and all points north, it is a land of...
Prospecting for Copper Ores—Part I
Copper is one of the metals that form the backbone of our modern civilization. Copper is an essential part of every computer, cell phone, automobile and household appliance.
Ask the Experts
Q: I would like to know the following on the metal nickel:
• Where is it mined?
• Why is the unit price so large—is this for a metric ton?
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The Bawl Mill
• Our Readers Say
• Lode Gold in Nicaragua
• Miners: Plan Ahead for Next Year's Taxes
• California's Original Sixteen to One Mine
• Montana Multiple Use Association Backs Miner
• Picks & Pans: Detecting Micro-Nuggets
• Diamond Search Underway in Alaska and Minnesota
• Mining Outfits Eye 50-Year Supply of Iron Ore
• Goldfield—Princess of the Mojave
• Couple Creates Jewelry of the Iron Range
• Melman on Gold & Silver
• Looking Back
• Mining Stock Quotes and Mineral & Metal Prices
