Professional Equipment for Serious Detectorists!

Magazine

All Articles

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Ask the Experts


Ore testing and other advice for starting up a mining operation.

The Bawl Mill


• Don't go near the water...
• Accused drug smuggler can sue the US government
• This won't look good on a resume...
• Nature Conservancy caught with hand in the cookie jar

PLP Update


The ESA has become an unwieldy beast that was hijacked by government agencies run amok, and by extreme environmental groups who saw it as a way to lock up public lands and to generate income through exaggerated claims and continuous lawsuits.

Melman on Gold & Silver


What gives this illustration great importance is America may be facing the same kind of dilemmas that have brought Japan’s market such long-term grief.

Ask the Experts


Q: A few questions about diamonds...

Legislative and Regulatory Update


• Hearing date moved up for preliminary injunction for California suction dredging
• Anti-mining bills in Oregon lead to recall effort

Ask The Experts - Can you explain how caliche forms?


Subscription Required:
The Bawl Mill   • Our Readers Say   • Wyoming—A Land That Time (And Explorationists) Forgot   • Two Arrested in Alleged Mining Investment Scheme   • Melman Reports From PDAC—News About India, China, and a Potential Shortage of Nickel   • Picks & Pans: Family's Identity Forged Working Nevada's Gold   • Researching Suitable Areas to Detect for Free-Milling Gold   • A Working Arrastra   • Training Videos From NIOSH   • The Golden Highway—Amador County   • Prospectores Unite in Washington State   • Flexible Circuits Possible From Gold Wire   • Looking Back   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
Legislative and Regulatory Update

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue