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Metal-Mineral Identification Utilizing a Detector

Seldom is a metal detector used for ore sampling today. Nevertheless, this procedure still works as all BFO and VLF detectors have a non-conductive mineral zone and a conductive metal zone with a neutral null zone between them.

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Old-Time Mining Geology Books


Geology books are best used by geologists, but many of the old-time books can be understood by most anyone who has an interest in rocks and minerals. Certain words or phrases may stump the layman, but just skip those parts and go on to the portions of the books that are easily understood. Some of the old-time mining geology books should be in every small miner’s collection.

The Klamath Oldland


The Klamath Mountain province includes a number of separate mountain ranges, such as the Bully Choop, Marble, Salmon, Siskiyou, Trinity Alps, and Yolla Bolly, among others. They are collectively referred to as the “Klamath Mountains” in this article.

Ask The Experts - Why Isn't There A Dual Coil Detector?


Making Adjustments to Catch Fine Gold


This fine gold that is so common is probably the most notorious for eluding our riffles and mattings.

Looking Back


Excerpts from CMJ published 50 years ago this month.

Gleaning for Gold Part 2


"The practice of gleaning goes back thousands of years"

Ask The Experts - Is a detector a good return on investment?


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