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...
Searchers' Dreams
The story began in a southern Arizona mountain range...
Ancient River Channels of Trinity County
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Critical Minerals: Titanium
The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.
The Essentials of Dry Washing
Most dry washers have a feed rate adjustment. It needs to be set so that the material flows evenly over the riffles and does not bury them.
Detecting: Small Creek Yields Good Gold
Most of our gold recoveries have been in the cracks of the bedrock. Hot rocks in the form of dikes cross the creek at various locations, causing us to skip those areas.
The Fine Art of Panning Heavy Sands
The fine art of panning heavy sands requires a measure of patience. If you enjoy panning gold, you ought to enjoy this too, once you get the hang of it.
Successful Detecting Requires Attention to Detail—Part I
So much of gold detecting depends on attention to detail. Every gold area offers its own distinct geological markers and as prospectors we must pick up on those markers.
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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
