Turquoise Mining—Labor Intensive, But Worthwhile
June 2005 by Chris RalphFor many years, the US had a historical tradition of small-scale mining. Individuals or small groups of miners would spend part of the year working the higher-grade sections of old mines and ship the high-grade ore to smelters or...
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.
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
These are entry-level machines designed with gold prospecting in mind and with the ability to handle mineralized ground and see nuggets of a grain or so in size, perhaps smaller.
In these types of cases I tend to listen to what my metal detector is telling me. The machine was very quiet, suggesting my initial impressions were right about the ground make up.
• Re: ICMJ's Mine Market ads
• "The enjoyment of prospecting"
For over twenty years, Rahall has been introducing bills in an attempt to overhaul the 1872 Mining Law. On May 10, 2007, he introduced another bill, HR 2262, which would drastically change the laws governing mining if enacted. This time, his bill may have a chance.
• California dredging update
• Study: Sage grouse does not need protection
• Tennessee enacts harsh new gold prospecting regulations
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