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.Demand for Copper Boosts Zambian Mining
Surging global demand for copper has breathed new life into the mining industry in Chingola, a short drive from the Congolese border on top of some of the richest copper deposits in the world.
Treasure Hunters Abound in Greece
Greed nearly starved Greece's legendary gold-transforming King Midas to death—but still they haven't learned.
Government to Buy New World Mine Claims
A conservation group said it has an agreement to purchase nearly 1,500 acres of private mining claims northeast of Yellowstone National Park.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Hand Panning Micro-Fine Gold
Once you get down to the black sands or a few tablespoons of material, the technique changes dramatically.
Miners Rescued After Two Weeks
Two Australian miners who survived for two weeks in a kennel-size cage trapped 3,000 feet underground walked out of the Beaconsfield Gold Mine and punched the air, freed by rescue crews drilling round-the-clock by hand.
John Fremont and the Gold Mines of Las Mariposas
John Frémont was a man whose luck regularly swung from one extreme to another. At times he seemed to be the luckiest man on earth, yet he sometimes made bad decisions that got him into a considerable amount of trouble.
Subscription Required:
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
