Dry Lakes in Nevada
October 1999 by Edgar B. Heylmun, PhDDesert dry lakes are the final resting place for many of the metals and compounds found within their drainage basins. Some, like Humboldt and Carson Sinks, have enormous drainage basins which include may highly-mineralized districts.
Once indicators start showing up along or below a contact I start to get excited. When I have shale, and outcroppings of diorite with iron-red, gritty soil and some clay thrown in, I really get lightheaded. I may be a mile away from the nearest diggings but that’s okay. I just found a spot that could provide some nice nugget hunting.
• ESA changes for the better
...I got the faintest of rises in the threshold. It was hardly a signal at all, and I thought it was one of the many, deep, hot rocks in the area.
This assay system of ounces per ton sounds simple enough, but the use of the metric system and the additional measuring terms of “grams per ton” and “parts per million” (ppm) has created some misunderstanding of ore value.
My mother stands in the desert, a hot wind kicking up puffs in the sand around her feet. She’s staring hard at the rusted buckets, weathered boards and mine shafts scattered throughout the sagebrush, concentrating, and I can tell she’s not really here. Not here now, at least. She is here 65 years ago. And this is not a long-abandoned ghost town at the end of a dirt road in one of Nevada’s endless stretches of nowhere.
• EPA declares carbon dioxide a threat to environment
• Suction dredging update for California
• California Fish & Game director resigns
• More Merced River restrictions
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