All Articles
Over The Divide—Merwin (Merv) H. Hemp
November 2004 by Staff
It is with great sadness that we inform you of the passing of one of our long time members and tireless workers, Merwin H. Hemp.Ask The Experts
Sulfides and oxides—what's the difference between the two?
Drywashing for Eluvial Gold in the Desert—Using a Portable Drywasher and Hand Tools
Often the gold being recovered by drywashing is too fine to be recovered by metal detecting. For every “detectable” nugget found, there could be hundreds of smaller flakes of non-detectable size. Thus, for those that “read the ground,” and snipe for areas of favorable placer concentration, drywashing will continue to be both an inexpensive...
The Business of Mining: Cars, Trucks and Tax Deductions
Most importantly, self-employed miners, prospectors or employees (even of their own mining-related business) who own or lease an automobile, can utilize the standard rate so long as they operate only one car at a time for business purposes.
BLM 3809 Final Rule Implications
Many readers of ICMJ have asked for more information regarding the BLM’s 3809 regulation changes that were pushed through just prior to the departure of the Clinton Administration.
The Bawl Mill
• A sobering revelation
• "Greenbacks" for green energy
Greenstone
Greenstone is a hard, tough, altered igneous rock, usually dark green in color. The term “greenstone” has been loosely applied to all greenish rock, including peridotite, dunite, jade, serpentine, and even hydro thermally altered rocks in mining districts. True greenstone is...
Prospecting for Copper
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
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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
• The Boludo Placers, Sonora
• 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







