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Small Mining Operations

Prospecting for Copper—What to Look for on the Outcrop

For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.

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The Fire Assay of Carbon


Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.

Nice Specimen Gold Recovered in Northern California


Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.

How to Evaluate Mineral Claims—What to Know Before You Buy


Even though they have put down thousands of dollars, the buyers often stop paying on their claims part way through the process after they realize they’ve been duped, but the company just sells it again to another buyer.

New Research Tool for Miners in Wyoming


The Wyoming Geological Survey released an online interactive map...

The Basics of Exploration Leases and Contracts—Part II


This is the point where you might ask, “What do these types of contracts typically look like and how are they negotiated?” Well, that is the topic of this month’s article.

A Father’s Day to Remember: 24,000 Ounces Gold in Quartz


Father’s Day in Australia was on September 2, and it’s a day a group of miners from “down under” won’t soon forget.

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