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Looking Back

Excerpts from California Mining Journal, our original title, published 50 years ago this month.

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Additional articles that might interest you...

And the Survey Says...


A recent online survey on our homepage confirmed what we expected...

Spencer Opal Deposits, Idaho


In order to give the reader a better appreciation of some alternative valuable minerals that can be found by the average prospector, we visited Bob Thompson’s Opal Mountain Mine located in Spencer, Idaho.

From the Editor


There are several news items of interest here at ICMJ’s Prospecting and Mining Journal.

How To Locate Diamonds


How to locate diamonds: This article focuses on the principal host rock for diamond and describes some gemstones (and kimberlitic indicator minerals) typically found with diamond.

Modesto, California Man Finds 18-Ounce Nugget


Oscar Espinoza considers himself an amateur gold prospector, but the gold nugget he recently found puts many seasoned prospectors to shame.

Mining Stock Quotes and Mineral & Metal Prices


The Guaniamo Diamond Area, Venezuela—Part II


The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...

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The Bawl Mill   • Higher Copper Price Brings Hope, Jobs   • Zeballos Gold Camp, British Columbia   • Agreement Allows Pogo Mine to Resume Construction   • Treasure Hawk Mine Back in Action   • Oregon Dredgers Receive Threats From Environmentalists   • Understanding Hard Rock Mining: Terms and Methods—Part I   • Mood at Calgary Conference is Subdued, But Optomistic   • Reinventing the Wheel—The Infinity-Jet   • Company Notes   • Endangered Species Act is a Mess   • Placer Platinum   • Here Come the MineBots   • Agency Gives Initial Backing to Kensington Mine   • Mining Stock Quotes and Mineral & Metal Prices   • Melman on Gold & Silver   • Brits Thwart Robbery of Gold and Cash

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