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The Basics of Geophysical Exploration

In developing a mineral property or mining claims, one of the first goals is to identify and quantify valuable deposits. The classic method of doing this is by drilling holes into the ground to sample what is below the surface. The problem is that one or two holes usually are not going to tell you a whole lot...

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How do I set up a small placer operation?

What To Do When Gold Recovery and Assay Values Differ


Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.

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• How to find info on a particular mining claim

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Montana’s Rosetta Stone: Discovering Mines In The Treasure State


This is the intelligent way to start modern prospecting. The value of literary research yields challenging outings, specimens, history and geologic research.

The Subsurface Suction Dredge


The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...

Exploring Placers with Auger Drills


Augers can be used effectively for placer exploration with certain limitations.

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The Bawl Mill   • Ask the Experts - ...Worth further investigation?   • Ask the Experts - Processing sulfide ore without mercury or cyanide.   • Regarding "Good Assays and Bad"   • New "Employment" Category   • 4 Keys to Successful Nugget Hunting   • A High Price to Pay   • Eolian Placer Gold   • All the Gold Ever Mined...   • Targeted for a Tax Audit   • Feds Order Closure of Idaho Mine   • Trying Out the New Highbanker   • A Gold Mine on a Washington Beach?   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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Ask the Experts - Old workings & tailings: What are my options?   • Legislative and Regulatory Update

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