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.Time For Some Desert Gold!
February 2023A Serious Discussion on Prospecting in Arid Environments. Part 1
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
American Manganese
Exploration geologists looking for strategic metals projects may find open ground in some of the old historic manganese mine areas as manganese has been largely overlooked as an exploration target for many decades.
Legislative and Regulatory Update
- Property rights advocate in running for top BLM spot
- “Draining the swamp” at Interior
The Bawl Mill
• Caught on camera...
• Taxpayers can’t go “cold turkey”
• Hurricane FEMA wipes out 1,800 homes
Northwest Miners Rally a Success
This year’s rally worked extremely well with over twenty exhibitors and four seminars on various aspects of mining running throughout, as well as active river demonstrations of equipment. The hands-on approach, allowing people to try the suction dredges and power sluices, recovered well-distributed fine gold.
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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
