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The Skaergaard Intrusion

First put on the map by two British geologists in the 1930s, the Skaergaard igneous intrusion on East Greenland’s rugged mountainous coast is arguably one of the most studied and researched rock bodies in the world.

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Placer Gold Deposits of Utah


The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.

Mud Men: Pocket Miners of Southwest Oregon Part III


The amount of gold in the traces from the low-grade scattered veinlets may be much more than the traces from the small but rich pocket, at least until the pocket hunter closes in on the rich pocket. Further confusion arises if the prospector stumbles across a placer deposit on one of the higher peaks.

Ask the Experts


How do I set up a small placer operation?

News from the Editor


Our goal is to reach out to the next generation of prospectors and miners who might prefer reading our monthly issues on their desktop computer or portable device.

Company Notes


• Newmont Mining Corp.
• Frontier Pacific Mining Corp.
• Sterling Mining Company
• General Atomics
• Barrick Gold Corp.
• New Jersey Mining Company
• Timberline Resources Corp.

Legislative and Regulatory Update


• California piles on the taxes
• Cap and trade passes House
• EPA to address bonding
• Clean Water Restoration Act

All About Chalcopyrite


…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.

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The Bawl Mill   • Gold Diver's Closes Its Doors   • Geologist's Search for PGMs Leads to Mining Venture   • Diamonds in the Rough in Montana   • The Art of Finding Coarse Gold Part I—The Geology of Coarse Gold Formation   • Using Microbes for Mining   • The Carter and Reynolds Gold Mines: Is There a Yet Unknown, but Mineable Gold Deposit Here?   • Michigan House Committee Approves Sulfide Mining Regulations   • Surging Gold Prices Add Luster to Nevada's No. 2 Industry   • Ruby Hill Gold Mine to Reopen in Eureka   • Melman on Gold & Silver   • BLM Launches Mining Claim Records Viewer   • Newmont Welcomes Release of Executives   • The Baja Gold Rush of 1889   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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Legislative and Regulatory Update

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