Picks & Pans: Dredging After The Flood
March 2004 by Gordon WieczorekIt was dredging season, 1997, after the catastrophic flood had hit us in January—a flood that took out bridges, roadways, undermined the railroad tracks in several places, and isolated us in the town of Quincy, California, for a week. The fog was so thick that planes couldn’t even land at the airport.
Most oilfields are found in anticlinal faults, or stratigraphic traps. Oil floats on water, so that it will rise to the highest point possible, above the water. If the porous or fractured sandstone or limestone that contains the oil is overlain by impervious shale, the oil can no longer rise. If the porous bed is arched upward...
Many suggestions had some pieces or parts that would work some of the time, but Dredger Dan’s suggestion was, in my humble opinion, the cleanest, cleverest, and most dependable.
• Can you please shed some light on the material I collected...?
The morning of Friday, May 7 gave us a new chapter in gold's ongoing struggles which might properly be named "As the headlines turn!"
The Nevada Historical Society's
"This Was Nevada" Series
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
The Bawl Mill • Our Readers Say • Fair and Balanced? If You Have the Cash • Pocket Gold in Gneiss • Australian Prospector Detects 150-Ounce Nugget • The Tangential Impulse Water Wheel in California Gold Mining History—Part II • Mining Industry Enthusiastic About Prospects • Looking For Gold in All The Right Places • Fraser Institute Ranks Best Regions for Mining Investment • Ask the Experts: Recommended Reading—Part II • Red Lake, Ontario • Company Notes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices