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Gold in Jasperoid

Jasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...

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Melman on Gold & Silver


As we have noted through the years, perhaps the most direct, single influence on the future of gold and silver is their monetary opposite—currencies in general, the US Dollar in particular.

Oregon Miner Challenges Forest Service’s Authority to Regulate Mining


Judging by news accounts, Tracy was doing exactly what H.R. 365, commonly referred to as the Mining Act of 1866, allows him to do.

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Obama Administration Moves to Block Mining Near Yellowstone


Republicans and industry representatives have criticized the administration’s eleventh-hour actions to limit development and promised to seek their reversal once Obama leaves office.

Platinum and Diamond Discoveries Shine New Light on Historic Alaska Gold-Mining District


A rush of platinum and diamond exploration projects and discoveries is generating renewed interest in the historic gold-producing region of the Yentna-Cache Creek District in south-central Alaska.

From the Editor


First, I want to mention our new website. For over 18 months we’ve been working on a new design to make it easier to find the articles you are most interested in...

Mining Pegmatite Deposits


With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.

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The Bawl Mill   • Clinton Declares Three More National Monuments   • McCain Derides Clinton Forest Policy   • Foreigners Lure Mining Partners   • Pacific Island Gov'ts Focus on Undersea Mining   • Options Narrowed for Managing Chugach National Forest   • Company Notes   • Diamond Fever   • Underground Geologic Mapping   • New Quarry Regulations in West Virginia   • Ash Fork Calm After Explosives Theft   • Picks & Pans: Mining in Ghana   • Little Rocky Mountains, Montana   • Collector Reaches New Lows to Find Bottles   • Chinese Camp, California and the Tong War of 1856   • Millie's Tailings   • Visionaries, Scoundrels, and Gamblers   • Executive Defends Special Mill Site Exemption   • Chasing the Ghosts of Forty-Niners   • Washoe County Balks at Black Rock Desert Plan   • State's Only Gold Mine Processes Last Precious Ore   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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