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Original Issue Now Available as a Free Download
August 1931 by Staff
An original copy of our very first issue was recently found at the North Star Mining Museum in California by Carol Marshall, and the museum was nice enough to return it to us! (Read the full story.)
The issue is now available as a free pdf download. The file is approximately 7Mb.
(A black & white reprint is also available for $6.00 plus postage.)
Click here to download a copy.
Wall-Rock Alteration
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: various mining courses
Q: What classes should one take if planning on majoring in mining engineering or geology?
The Bawl Mill
• Disappointed supporter has the ultimate last word on the matter...
• You should have seen the millions that got away...
• So much for sacrifice...
• Top Democrats will have to find new finance chairman
Ask The Experts: Sulfides and fluxes
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
Take it to Bedrock
Picking the right spot to placer has to do with years of experience, and a little luck. The textbooks can tell you where it should be, but sometimes the rules just don’t seem to apply.
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