Prospecting & Detecting
Green Valley Reconnaissance
January 2013 by Don Robinson
During this trip we found enough gold to make us want to come back, even with the punishment of a very long, tough hike.
Using Google Earth and Other Maps
Last month, one of our readers requested an article regarding the possible use of Google Earth for prospecting research. It was a good idea, so here it is.
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
Pumping Water With Solar Power
Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.
Mud Men: Pocket Miners of Southwest Oregon Part III
The amount of gold in the traces from the low-grade scattered veinlets may be much more than the traces from the small but rich pocket, at least until the pocket hunter closes in on the rich pocket. Further confusion arises if the prospector stumbles across a placer deposit on one of the higher peaks.
Mining Journal Receives Honor
For the 20th consecutive year, ICMJ’s Prospecting and Mining Journal was voted “Prospecting Magazine of the Year”...
Metal Detector Testing Methods
It will not be any easier than on your table at home, and so testing a very small test target like the ballpoint pen can tell you immediately if a detector is suitable for looking for tiny gold nuggets.Prospecting for Liberated Gold
Some will doubt its value given the ultra-fine particle size… Some will become encouraged about not having to incur significant time and expense to break rock.
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The Bawl Mill
• From the Editor
• Ask the Experts
• Iron Minerals, Your Detector and Gold
• The Robinson Mine—Big Things Happen Here
• Forty-Six Nuggets
• Customizing Your Dredge
• Small Miner Beats Forest Service in Court
• Using Vegetation and Soil Conditions as Prospecting Aids
• Prospecting for Diamonds
• Gold Pour Signals Revival in the Mother Lode
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
