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Gold in Gossan
March 2003 by Edgar B. Heylmun, PhD
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
Aussie Gold—Swinging Over to South Australia
Since the founding of the original colony in 1836, minerals have proven a vital resource to fund the State’s development. Originally, copper was the lifeblood, being discovered not long after settlement.
Mining Stock Quotes and Mineral & Metal Prices
Detecting in the Outback
I have always enjoyed finding things. As a kid and up through college I searched for arrowheads, rocks and fossils. One day I saw an ad for a metal detector in a magazine, and a week later I was digging up everyone’s yard...
Mining Stock Quotes and Mineral & Metal Prices
Finding Streams of Gold
Without knowing or even thinking about it, I had put together a map that showed me a pattern of the ancient Sacramento River channel. I also had a distinct picture of where the ancient channels of several other creeks and rivers were running.
Gary It's There
This year was a test. We had never done anything like this before, yet we grossed $30,000 in the short time we had to mine.
Oregon Requires Permit for Hand Sluicing
At the time of this writing the draft permit for dredging in Oregon, which may also include small-scale operations like hand sluicing or possibly even panning, was not available for public comment or review.
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The Bawl Mill
• The Steeple Rock District, New Mexico
• The Hunt for Diamonds, Nunavut, Canada
• Famous Yuba River Dredge Sinks
• Gold in Maine?
• Mud Creek Placer Mine Adventure
• Junior Miners and Investors Gather in Canada
• Picks & Pans: Dredging at Douglas Creek, Wyoming
• Company Notes
• Gold Prospecting on the East Fork River, Alaska (Part III—Conclusion)
• National Mining Hall of Fall and Museum Calls for Poetry
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back







