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Getting Your Float Circuit Layout Right

Commissioning is going well; ramp-up targets are all being met and the General Manager is happy. You arrive at the plant in the morning and start reviewing the night shift logs. What you discover is the night shift had to reduce feed to the mills...

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Detecting the Fringe Areas


One prime example is an area that I have talked about in many of my articles. This is a very large area and I will actually describe its location again.

Legislative and Regulatory Update


• Interior appropriations
• New bull trout plan released
• Comments needed

Ask The Experts - Where did this kimberlite come from?


Congressional Request to EPA: "Leave Our Kids Alone!"


"Grouping zinc with arsenic, mercury, cyanide and dioxins is not supported by science, logic or common sense." said George Vary, Executive Directors of the American Zinc Association (AZA).

Enrichment of Mineral Deposits by Weathering—Part I


The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.

Placers Directly Associated with Lode Deposits


Placers that are directly associated with lode deposits are sometimes overlooked and may have good potential for those who are willing to search for them.

Legislative and Regulatory Update


• California dredging update
• On a related issue, SB 233
• EPA and greenhouse gases

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   • 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 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

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Legislative and Regulatory Update

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