Finding Diamond Deposits With Your PC—Part I
April 2009 by W. Dan HauselOne method used to explore for kimberlite pipes is aerial photographs. If a kimberlite can be found on aerial photography, there are likely more nearby that can’t be seen on photographs. Over the years, myself and others found several hundred...
Sometimes a placer miner will find small bits and nuggets of metal associated with gold and other heavy minerals in his concentrates, which exhibits a silver-gray color rather than the normal tones of gold.
Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
Hardrock mining in the US has been hit by a tragic streak of mining accidents in recent months.
Let’s take a look at these important property aspects individually, because they all affect the value of a property and how much mining companies might or might not be interested acquiring it.
An era ended in Leadville February 4, when the last miners left the Black Cloud mine and hung up their brass tags for the last time.
Two longstanding mineral rights leases that are critical for a proposed large underground copper-nickel mine upstream from the Boundary Waters Canoe Area Wilderness in northeastern Minnesota will not be renewed, two federal agencies announced…
The Bawl Mill • From The Editor • Detecting Invisible Gold • Has Senator Harry Reid Worn Out His Welcome? • The Most Obvious Place • The Gold of Yuba County • PDAC 2009 Convention Highlights • Stimulus Package Provides Potential Tax Savings For Miners • Melman on Gold & Silver • Mining Stock Quotes, Mineral & Metal Prices