Small Mine Selective Blasting
January 2000 by Dr. Ralph E. PrayDrill 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...
Clues for Detecting Ancient River Channels and Flats
The gold in this area can get quite large. Most of the pieces are about half a pennyweight on average.
Picks & Pans: Confessions of a Small Miner—Part II
People always ask me how much gold I'm getting? I remind them that after 27 years digging in that same mountain, I'm still a small miner. But my wife hasn't divorced me—probably because the lawyer wants all the money up front.
Legislative and Regulatory Update
- Interior Department reigns in “sue and settle”
- Comments needed on Forest Service Part 228 regulations
Picks & Pans: Eureka! We Struck It Again
About a half-hour after everything got underway, James came back to Harley, whispering, “Harley, you’re not going to believe this, but I just detected a vein with gold, lots of gold...I mean lots of gold. You’ve got to come and see this.”
Chasing the Ghosts of Forty-Niners
Plodding in the footsteps of the forty-niners across the sun-baked Nevada desert, I feel the ghost of a man named Israel Lord tap me on the shoulder.
Gold Geochemistry: Where Does Gold Come From?
Prospectors often wonder why gold deposits in veins like it does. Why is one vein rich while another is barren, even though they are only a few hundred feet apart?
The Bawl Mill • Over the Divide • Our Readers Say • Letter from the Editor to our Readers and Advertisers • Administration Considers Bypassing Congress • First Woman to Draw Mining Pension • Mohave Mountain Placers, Arizona • High Court to Reconsider Wilderness Water Rights • Sixteen to One Takes on MSHA • Picks & Pans: Gold Mining on Joie Osgood Ranch • Gold • Company Notes • Millie's Tailings • Placer PGMs in Alaska • Mogollon—New Mexico's Remote Gold Camp • ICMJ 9th Annual Photo Contest Results • The Other Minerals of Mt. Diablo • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back