Geologists Locate Giant Gemstones

March 2005 by Staff

Looking Back

February 2000
Excerpts from California Mining Journal, our original title, published 50 years ago this month.

Using Geologic Maps

December 2015
In order to see what geologic maps can do, we need to think about what we are looking for.

Picks & Pans: Sniping for Low Stream Gold

September 2003
In southwestern Canada a couple of summers ago, the weather was extremely dry. So dry in fact, that some of the streams were at lows not seen in many decades. The wonderful advantage for sniping in the following fall was that...

The Bawl Mill

February 2006
• It’s good to be the president...of the teacher’s union
• Anyone need a 1040 form?
• Global warming turns a new leaf

Gold Refining In The Ancient World

March 2015

One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.

Selectable Frequency vs Multi Frequency Detectors

March 2017
I like to think in terms of “conductive mass” because it is a combination of both the conductivity of the metal and the size of the target that determine how a detector sees conductivity.

Oldest Journal Contest - The Winners

February 2009
We received entries from readers in fourteen states for our contest to find out who has the oldest surviving copy of the Journal, originally named the California Mining Journal..

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The Bawl Mill   • $100 Million Lost on Faulty ESA Listing   • Miner Wins Important Victory Against Forest Service   • Philippines Asks Foreigners to Invest in Mining   • The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers   • Healthy Interest at Recent Vancouver Conferences   • Idaho Silver Miners Come to Aid of Tsunami Victims   • Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains   • Researchers Trace History of Hope Diamond   • The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada   • Looking Back   • Resolution Copper Mine, Arizona   • Company Notes   • China Ups Investment in Foreign Minerals   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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