All Articles
Over the Divide: Wayne (Jerry) Keene 1934-2017
August 2017 by Staff
Sluicing on Bedrock
My head nearly scraped the caribou horns that hung above the doorway of the old tarpaper cabin I would call home for a few days. The cabin was originally built in the early 1930s and had been dragged about 200 yards across the valley to...
Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
The Art of Underwater Nugget Shooting
There is a surprising amount of detectable gold under the water’s surface. The right tools make it much easier to find, and with a little patience and practice you can take advantage of this underappreciated bonanza.
A Good Start
We split up in order to cover a larger area and found good color almost everywhere. The bedrock was shallow on both sides of the river, but the inside bend was where we concentrated our prospecting.
In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico
My wife Ann and I moved three years ago to the Pueblo of Arivechi, Sonora, in order to be near the mining concessions we owned and to build a precious metals concentrating mill.
A New Method for Handling Stubborn Gravity Middlings
The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.
Subscription Required:
The Bawl Mill
• Ask The Experts: How would you go about evaluating a silver deposit?
• Legislative and Regulatory Update
• How to Make a Rock Sled for Dredging
• More on Detecting Pocket Gold
• The Rochester Mining District of Nevada
• Early Summer Mining in Wyoming
• US Rare Earths: We Have & We Have Not
• National Hall of Fame Names 2017 Inductees
• EPA Reopens Comments on Pebble Project
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
MMAC Update
