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Central Coast Ranges
May 2003 by Edgar B. Heylmun, PhD
A series of coastal ranges, separated by narrow valleys, characterize coastal California south of Monterey. The mountains rise to 5,800 feet in elevation, with annual rainfall varying from 12 to 64 inches, depending on elevation and exposure.Shaker Tables for Processing Hard Rock Ores
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
The Canton Lead
As the great Australian gold rushes of the 1850s gathered momentum, hopeful prospectors rushed from all parts of the globe, not least among these were the ubiquitous Chinese.
Over the Divide: Wayne (Jerry) Keene 1934-2017
Regarding "Good Assays and Bad"
Last month I wrote an article entitled “Good Assays and Bad,” which gathered a few comments.
European Gold Miners Seek Clarification Letter
Three European gold mining companies want the Bank of England to publicly state its activities in the gold and gold derivitatives markets. In a letter to the Financial Times, three small mining companies representing the majority of European gold production said since the start of the year, scores of reports about manipulation of the gold price had surfaced.
Mining Expedition at Eagle Rock—Part II
We spent more time that first day moving rocks than we did sending material over the sluices. Even so, our cleanup was quite respectable for having only moved down to a depth of a couple feet.
The Bawl Mill
• Make your vote count...again, and again, and again...
• Debt ceiling, round two
• "Throw Them All Out"
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The Ball Mill
• Our Readers Say
• WMD Raffle Raises Funds for Lawsuit
• Gold in Alabama
• From the Editor
• Yukon Placer Miners Fighting Extreme Discharge Limits
• Picks & Pans: Red Beryl Mining—Beaver County, Utah
• The Investigation
• A Gold Detector Sitting in a Closet Only Finds Dust—A Potpourri of Detector Tips
• Poll: Montana in Favor of Repealing Anti-Mining Initiative
• Platinum in Laccoliths
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
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