Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
September 2004 by Jim StraightDuring the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
Is Burkina Faso safe for prospecting?
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
From the mid-1850s and even into the early 1900s, Northern Sierra County boomed with mining activity. This area was flooded with miners, establishing such towns as LaPorte, Gibsonville, Spanish Flat, Whisky Diggings...
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
Every placer miner has to deal with it in one form or another, and some locations have it far worse than others, but nearly every placer has at least some of it: black sand. It collects in our concentrates and gets in the way of recovering our fine gold.
Bill and the geologist lost interest and as far as I know, nothing more was done to locate the deposit.
Please Note: • The Bawl Mill • Kerry Proposes Large Fees on Miners • Is a Gold Rush Coming to the Iron Range? • The Klamath Oldland • Baker City is Defined by Gold Rush • Coeur Alaska Hopes to Begin Work on Gold Mine This Fall • Crater of Diamonds, Arkansas • Company Plans to Develop Cabinet Mountains Mine • I-147 Before Montana Supreme Court • Diamond Exploration and Mining Heating Up in North America • Gold in Serbia • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices