All Articles
Picks & Pans: Dredging Costa Rica
October 2001 by A.K. Williams
My interest in gold mining began with a few friends who, knowing that I was a chemist by trade (never mind that I am a biochemist), interrogated me every day at the gringo coffee shop in San Jose, Costa Rica.
The Bawl Mill
• Where do I apply?
• Seriously, where do I apply?
• FEMA: “I only have “ice” for you...”
• Put your carbon emissions where your mouth is!
The Basics of Small-Scale Heap Leaching with Cyanide Part I—History, Suitablility and Permitting
Hardrock mining is usually done on a large scale, and although a few small-scale hardrock operations still exist, it’s not an easy operation to start up and run profitably.
Platinum in Laccoliths
Laccoliths are unusual igneous features that seem to occur in the stable interior parts of continents. They are concordant igneous intrusions that have domed the overlying rocks and are circular in plan, and less than 10 miles in diameter. This article deals with some of the laccoliths found in the scenic Colorado Plateau province of Utah, Colorado, and Arizona...
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.
Ask The Experts
• Is there a standard contract for placer mining to use with a private property owner?
The Bawl Mill
- Senators want you to help to pay California rent
- Someone’s got a bone to pick…
Introduction to Meteorites
The distribution of meteorites across the planet was, at one time, thought to be random and unpredictable.
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The Bawl Mill
• Our Readers Say:
• Placer & Lode Gold Deposits
• Spanish Silver in Arizona
• Hog Mountain Mining, Past and Future
• Gold in Texas
• The Goldhill Mining District
• New Arsenic Study Supports Tougher Standards
• Miners Resume Search for Platinum Near Platinum
• Discoloring Assay Beads
• Tons of Gold Buried Under World Trade Center
• Gold Rush Ship Uncovered in San Francisco
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• The Financial Repercussions of the WTC Tragedy
• Permit Appears Likely for Rock Creek Mine
