Prospecting & Detecting
Using Vegetation and Soil Conditions as Prospecting Aids
January 2013 by Jim Halloran
Wouldn’t it be great if you could know if there is gold in the ground without setting foot on the ground? Well you can, to a certain extent, if you can recognize mined ground from unmined.A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
The Hill of Gold
I was amazed and surprised, and I took a moment to admire how beautiful this coarse chunk of gold was. It later weighed exactly one-half ounce.
Drywashing in Black Canyon, Arizona
May 2016After the hike and a quick snack break we gathered a few buckets of material to really dial in the drywasher for the most efficient recovery. This involves leveling the unit, setting the riffle box drop angle and regulating the speed in which the material is processed.
Mud Men: Pocket Miners of Southwest Oregon—Part I
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
Ask the Experts
What are the tell signs of garnet deposits?
Modern-Day Claim Jumping
We soon found that our discovery post and other claim markers were gone and replaced with new posts and a notice of location with an earlier date than had been on our notice of location.
Dry Washer, Wet System or Metal Detector?
I love to dry wash old nugget patches found by detector operators, and I have found my fair share of gold dry washing those areas. I have also found a few nuggets using a detector on the bedrock exposed by dry washing the patches.
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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
• Prospecting for Diamonds
• Green Valley Reconnaissance
• Gold Pour Signals Revival in the Mother Lode
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
