Gold in Jasperoid
February 2000 by Edgar B. Heylmun, PhDJasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...
We have learned over the years, of course, that “previous development,” “roadless,” and “local support,” are in the mind of the beholder.
Many readers of ICMJ have asked for more information regarding the BLM’s 3809 regulation changes that were pushed through just prior to the departure of the Clinton Administration.
• From NASA, with warmest regards
• Anything new to report?
I had two of the guys go down into the creek and each one picked out a small island of bedrock. I had them detect their piece of bedrock and then gave a critique to all on how they did.
Any detector specifically designed to respond to small gold will do. The best ones are the lightest ones with the smallest coils.
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