All Articles
Picks & Pans: Detecting Micro-Nuggets
October 2005 by Martin H. Milas
Any detector specifically designed to respond to small gold will do. The best ones are the lightest ones with the smallest coils.Platinum Group Metals
Platinum is only one of a group of related metals that are referred to as platinum group metals (PGMs), because platinum in its native state usually contains all six metals of the group along with some iron.
Legislative and Regulatory Update
• Cap and trade
• Roadless rule
• WDFW backs down thanks to miners
• California dredge permits
• BLM faces lawsuit over access in Washington State
The Bawl Mill
• Bogus science in California
• By the numbers
• Little noticed health care tax
Resolution Copper Mine, Arizona
The Resolution copper mine is near Superior, Arizona (population 3,500), along the west side of the Pinal Mountains in central Arizona, 64 miles east of downtown Phoenix. The region receives about 16 inches of rain per year, enough to support chaparral vegetation.
Picks & Pans: Gold Recovery in Placer Mining Operations
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
How Long Does It Take to Find and Recover An Ounce of Gold?
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
Future of Mining in Bolivia Uncertain
The miners offer the still-beating hearts of four freshly-sacrificed llamas to a statue of the fiendish god “El Tio,” who they believe affords them protection and good luck.
Subscription Required:
The Bawl Mill
• Newmont's Gold Quarry Mine
• Drywashing and Detecting for Eluvial Placer Gold Research is the Key to Success—Part II
• EPA Offers Liability Protection to Spur Cleanups
• Study: West Has Vast Oil Shale Reserves
• The Notch Peak Intrusive
• Recovering Fine Gold: Getting the Most from Your Sluice Box
• 2005 California State Gold Panning Championships
• Company Notes
• Tales of California Gold Discoveries 2nd in a Series—The Jenny Lind Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
