Placer Testing with Large Samples
June 2000 by Dr. Ralph E. PrayOf all the difficult gold placer sites to evaluate, none can compare with trying to dig to bedrock through twenty or thirty feet of soaked overburden through which water is slowly seeping downgrade.
• Government discovers new method to subsidize airlines
• California uses environmentalists' favorite tool against them
• Delayed gratification
• Hold my seat; I'll be right back...
This year’s 2015 California State Gold Panning Championships were wild and hectic.
U.S. Forest Service officials are drawing criticism from environmentalists for reopening some back-country roads that had been closed to protect threatened grizzly bears.
The 1994 Environmental Impact Report, along with additional information provided here, proves without a doubt that suction dredge miners contribute significant wealth to the economy of California.
If you confess to being a recreational "hands-and-pans" mining enthusiast, chances are you do not hold your own valid mining claim. You also realize locating a stretch of stream or river to legitimately dip your gold pan into is as much work to find as those precious flecks of gold.
The signs of copper, which the prospector most commonly sees in the field in outcrops and on the surface, are secondary minerals caused by the action of air and water on the original copper-bearing sulfides that were deposited deep...
I don’t know what to do next. Should I get an assay of the quartz? Can you recommend someone? Should I somehow crush the rock & search for a gold vein? Am I just wasting my time?
The Bawl Mill • Our Readers Say • Guest Editorial—Unreasonable Interpretations • Ruling Awards Giant Nugget to Finder • Letter to the Editor • Traditional Adversaries Reach Agreement • The Gold Belts of Georgia • Company Notes • Gondwana Gold Gravels • Quick Thinking & Rescue Devices Save Two Lives • Picks & Pans: The Discovery Gulch Diggings • Prospector Finds Cache of Emeralds in North Carolina • My Old Carbide Lamp • Melman on Gold & Silver • Hands & Pans on the South Yuba River • Permafrost Tunnel Shows Cross-sections of Past • Mining Stock Quotes and Mineral & Metal Prices