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San Manuel Mine Officially Closes With a Bang

One of the largest underground copper mines in the world officially closed mid-January, as demolition crews blasted its twin smelter stacks.

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Company Notes


• Canyon Resources
• Vista Gold Corp.
• Placer Dome Inc.
• Royal Gold, Inc.

The Grubstake Gulch Placers, Alaska


I’m not sure if it was the cold, clear, pure drinking waters of Grubstake Gulch and Willow Creek that have drawn me over the years, or the flat nuggets of gold I have dug out now and then. Since about 1973, I’ve extensively prospected up...

The South Pass Gold Placers, Western Wyoming


In the 1980s, I spent 5 summers living in a tent in order to map the 450 mi2 South Pass granite-greenstone belt and many of its historic mines. While mapping, I was quite impressed by the general lack of development of lode gold deposits.

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...

Mining Stock Quotes & Mineral and Metal Prices


Picks & Pans: Sniping for Low Stream Gold


In southwestern Canada a couple of summers ago, the weather was extremely dry. So dry in fact, that some of the streams were at lows not seen in many decades. The wonderful advantage for sniping in the following fall was that...

Gold Prospecting for Better or Worse: Doomed from the Start


The dredge and our gear, with us clinging on to the sides, bounced along until it got hung up on a large boulder in the middle of the river.

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The Bawl Mill   • Prospectors Beat Mining Claim Tax   • In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico   • Update On “Special Rock” Kicking   • Michigan DEQ Gives Tentative OK to Nickel, Copper Mine   • Saved Before the Tax Bell Tolled   • The Petersville—Yentna Goldfields   • Demand for Copper Boosts Zambian Mining   • Doc Livingston   • Bum Luck   • Environmentalists Target Pebble Mine   • Detecting in Australia's Pilbara Region   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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