All Articles
Mining Stock Quotes and Mineral & Metal Prices
April 2004 by Staff
The Bawl Mill
• It’s good to be the president...of the teacher’s union
• Anyone need a 1040 form?
• Global warming turns a new leaf
Prospecting With a Magnetometer
Swedes were the first to note variations in the Earth's magnetic field, circa 1640, and they were the first to use the dip needle. They made the first magnetometer in 1870.
Ask the Experts
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Researchers Trace History of Hope Diamond
Researchers using computer analysis have traced the origin of the famed Hope Diamond, concluding that it was cut from a larger stone that was once part of the crown jewels of France.
Critical Minerals: Gold
A few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.
Ask The Experts: Can you review the differences in dry washers?
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
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The Bawl Mill
• Our Readers Say
• Wyoming—A Land That Time (And Explorationists) Forgot
• Two Arrested in Alleged Mining Investment Scheme
• Wall-Rock Alteration
• Melman Reports From PDAC—News About India, China, and a Potential Shortage of Nickel
• Picks & Pans: Family's Identity Forged Working Nevada's Gold
• Researching Suitable Areas to Detect for Free-Milling Gold
• A Working Arrastra
• Training Videos From NIOSH
• The Golden Highway—Amador County
• Prospectores Unite in Washington State
• Flexible Circuits Possible From Gold Wire
• Looking Back
• Melman on Gold & Silver
