Prospecting & Detecting
Confluence Placers
June 2013 by Jim Halloran
Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...
Revisiting the Rocker Box
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
A Golden Summer
His take of gold was pretty close to what mine was—about a quarter of an ounce. We had just gleaned about half an ounce of gold in just twenty minutes.
Buyer Beware! Counterfeit Metal Detectors
When I was recently in West Africa, I got to see and play with my first, phony, Chinese knock-off metal detector.
Gold Rush in the Congo—Part II
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
Following the Clues
It took me awhile before I finally got a nice mellow signal. My nugget turned out to weigh in about two dwt (pennyweight). Over the next few hours, we all picked up a few more nuggets apiece.
Search Coils and Techniques
This article is intended to try to help someone who is breaking into gold detecting and using a pulse induction (PI) detector.
Detecting Canyon Bedrock in The Sierras
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
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The Bawl Mill
• Breaking Rock the Old School Way
• My Lucky Month of March
• Gold Rush in the Congo—Part II
• A Journey Into the Silver Peak Range
• Ancient River Channels of Trinity County
• Which Nugget Detector Should I Get?
• Liberty and the Phoenix Mine
• Spanish Gold Ledge Still Producing Gold
• Nevada Mining Tax Cap Repeal Clears Committee
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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• The Birimian Greenstone Belts of West Africa
