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Wall-Rock Alteration
April 2004 by Edgar B. Heylmun, PhD
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.Ask The Experts: Small-scale drilling
Q: What is available to a small prospector? How does one prospect (drill) into the walls of an old hard rock mine to see what is 10 feet beyond...
Time to File Claims in Southern California
Bottom line for you fellow miners: file your claims now in these areas or risk being forever locked out!
Ask the Experts
Can I treat a sample with muriatic acid?
Melman on Gold & Silver
Another area of growing international concern for business and industry is the recent astonishing proliferation of new government regulations and laws. Despite the presumably good intentions behind these measures it is now becoming apparent that they are imposing true costs to our economic society. The sheer variety of these laws and regulations is mind-boggling.
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Experts Forecast Rising Prices for Gold, Silver
During the two investment conventions in Vancouver this January, the mood was incredibly upbeat. Gold was rising strongly and prospects appeared bright. The same was true at the giant PDAC gathering in Toronto in March. By late April the shine had come off the short-term prices of metals...
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