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.Melman on Gold & Silver
It appears that market softness due to a slowing Chinese economy may already have affected precious and base metals quotes.
Melman on Gold & Silver
The Federal Reserve just reported that inflation exceeded their 2% target for the first time in five years and the University of Michigan reported their inflationary expectations have now risen to 2.7%.
Legislative and Regulatory Update
• Make your votes count
• Court tells Forest Service many access fees are illegal
• Kensington update
The Steeple Rock District, New Mexico
The Steeple Rock Mining District is located in the northwest-trending Summit Mountains of southwest New Mexico, at an average elevation of 5,200 feet. The highest point in the mountains is Vanderbilt Peak, which rises to an elevation of 6,773 feet. The mountains receive about 12 inches of precipitation a year in the form of rain and occasional winter snow.
Carbonatites
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.
Advancements in Non-Toxic Gold and Silver Leaching
The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.
Melman on Gold & Silver
If there was one theme underlying many of last month’s headlines, it was millions of people on the march. Throughout France, students, union leaders and run-of-the-mill rioters created havoc as millions marched to protest a new law that would give employers the right to dismiss unsatisfactory youthful employees during their first two years of service.
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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
