All Articles
Detecting at Old Hydraulic Mines
July 2006 by Chris Ralph
I finally got out recently for my first full, long weekend prospecting trip of the year. Normally I would have been out much sooner, but we had a real late spring in the Sierra Nevada this year with lots of late rain and snow continuing through all...
Additional articles that might interest you...
Recovering Values from Black Sands
May 2007
Every placer miner has to deal with it in one form or another, and some locations have it far worse than others, but nearly every placer has at least some of it: black sand. It collects in our concentrates and gets in the way of recovering our fine gold.
Every placer miner has to deal with it in one form or another, and some locations have it far worse than others, but nearly every placer has at least some of it: black sand. It collects in our concentrates and gets in the way of recovering our fine gold.
History of Mining—Bradshaw Mountains, AZ—Part II
December 2000
Last month, the earliest mining areas of the Bradshaw Mountains around Prescott, AZ, were explored in the first part of the article. The Lynx Creek and Walker areas still provide many opportunities for weekend prospectors...
Last month, the earliest mining areas of the Bradshaw Mountains around Prescott, AZ, were explored in the first part of the article. The Lynx Creek and Walker areas still provide many opportunities for weekend prospectors...
Our Readers Say
May 2003
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• "Longtime prospector."
• "...writing from Kuwait..."
• "...invaluable tools..."
• "Longtime prospector."
Using Microbes for Mining
December 2004
An innovative project enlisting bacteria for minerals recovery has drawn praise from researchers as it begins its second phase.
An innovative project enlisting bacteria for minerals recovery has drawn praise from researchers as it begins its second phase.
Operation And Application Of Magnetometers
October 2014
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
Recovering Fine Gold: Getting the Most from Your Sluice Box
October 2005
The sluice box is probably the most common gold recovery device after the pan. For centuries, the sluice has been the world’s most popular device for medium to large-scale primary placer gold recovery.
The sluice box is probably the most common gold recovery device after the pan. For centuries, the sluice has been the world’s most popular device for medium to large-scale primary placer gold recovery.
Melman on Gold & Silver
December 2015
Many observers have questioned why the precious metals have not enjoyed strong rallies despite a growing number of positive indicators.
Many observers have questioned why the precious metals have not enjoyed strong rallies despite a growing number of positive indicators.
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