Gold in Rotten Rock
February 2004 by Edgar B. Heylmun, PhDRotten rock (saprolite) can be found in all warm, humid regions, but is best developed in humid, subtropical climates, like that found in the American South. Outwardly, it looks like bedrock, but upon closer inspection, it can be seen that roots penetrate it and that it can be worked with a shovel or hydraulic monitor.
Let’s assume you are an aspiring or amateur prospector and start this article with a question: What is the single most important piece of prospecting equipment that you should carry at all times in your car, truck or RV?
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.
While most precious metals observers tend to pay more attention to action in the gold market as opposed to silver, there are times when the white metal can give us particularly sharp price targets going forward.
Suction gold dredging at Real Del Castillo, a remote and seldom visited old gold mining camp less than fifty miles north and east of Ensenada, Mexico.
We chose this particular area because an old channel had run here at one point and had been heavily worked on top of a mountain hilltop. Erosion patterns cut deeply on each side, leaving the channel exposed. The erosion cut sharply, dropping into ravines far below.
ICMJ has reviewed the U.S. DOI, BLM, 516 page Environmental Impact Statement on proposed 43 CFR 3809...and can only conclude that the proposed action amounts to several more nails in mining's coffin.
The Bawl Mill • Our Readers Say • Buying or Investing in Mineral Properties • The Joy of Prospecting • Company Notes • Picks & Pans: Rattlesnakes in a Gold Camp • Old-Time Mining Geology Books • Ask the Experts: Recommended Reading—Part I • The Tangential Impulse Water Wheel in California Gold Mining History—Part I • Consider Adding Gold to Your Portfolio • US Files Charges Against Gold Refiner • Gold in Australia • Restoring the Rule of Law to US Mining • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices