All Articles
The Boludo Placers, Sonora
November 2004 by Edgar B. Heylmun, PhD
The Boludo placers described here include gravels that have been listed under many different names, including Altar, Golden Triangle, Llanos del Oro, San Francisco, and Trincheras, among others. The placers are on desert flats at the northwest end of Sierra Santa Rosa, about 2,600 feet above sea level. It is in a region of northwest-trending mountain ranges separated by broad desert valleys.Know Your District
We have to remember that the earliest miners were not geologists, but came from a variety of backgrounds. Their survival depended on finding enough gold so they worked hard and adapted to whatever challenges these new areas presented.
Looking Back
Excerpts from CMJ published 50 years ago this month.
Governor Tells Industry He Will Consider Tax Cuts
Gov. Bill Owens announced to members of the mining industry that he would consider a proposal that provides significant tax reductions for mining companies.
Mining Stock Quotes and Mineral & Metal Prices
Russian Plane Spills 3 Tons of Gold on Runway
Residents believe doré bars landed in a snow-covered area as far as sixteen miles from the airport and some said they will be searching the area after the official recovery
Fly Fishing the Mine Tailings/Headwaters of the Clark Fork, Montana
Outside of Butte, Montana, going north on I90, you’ll pass through a landscape where the old Anaconda mining company processed thousands of tons of ore twenty years ago. We meant to fish in the vicinity of this historic mining district though we knew it is a Federally classified Superfund site for reclamation now.
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The Bawl Mill
• Editorial: Montana's Controversial Rock Creek Mine
• First Load of Concentrate Leaves Reopened Ruth Mine
• Uranium Industry Enjoys Rebound as Prices Nearly Triple
• BLM Warning About Purchase of Mining Claims on the Internet
• Determining the Amount of Gold in a Quartz Specimen
• Placer PGMs in Coon Creek, California
• Getting Your Float Circuit Layout Right
• Pick Up Austria's New Coin—If You Can Lift It
• New Prospecting Guides Available Online
• Police Extend Detention of Newmont Executives
• Picks & Pans—Drywashing and Detecting in Southern California
• Over The Divide—Merwin (Merv) H. Hemp
• The Golden Highway—Placer County
• Northwest Miners Rally a Success
• Mine Threat Just a Stunt to Criticize Land Laws
• MINExpo 2004 Convention Report
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
