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Ask The Experts - This low-grade ore is not worth processing

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Ask The Experts—Using classifiers


Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.

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The Bawl Mill   • Ask The Experts - Do I need something other than a fire assay for PGMs?   • Placer Gold Deposits of New Mexico   • The Hunch   • Resurrecting An Old Hard Rock Mine—A Series of Small Victories   • The Basics of Exploration Leases and Contracts—Part I   • Gold Prospecting for Better or Worse: A Long Hike   • Mutiny on The Mason   • Who Jumped Whose Claim First?   • The Value of Evidence   • Over The Divide: Charles "Chuck" Cushman   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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