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Tucson Mountain Chaos
January 2005 by Edgar B. Heylmun, PhD
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.Using Legal Subdivision
“Legal Subdivision” is a method used to describe various tracts of land, including most placer mining claims. Anyone wanting to research mining claims in order to find “open ground,” for the purpose of prospecting and/or locating a mining claim, will need to know how to use this tool.
Ask the Experts
Questions regarding processing black sands
Gold in Utah Laccoliths

Ask the Experts - Old workings & tailings: What are my options?
Q: ...It’s a 2,000-acre property that was mined 100 years ago, still has the old workings, tailings, etc. I am looking to recover gold from the old waste/tailings... plus possibly strip mine some of it. What are my options?
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
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The Bawl Mill
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• Interview with Congressman Gibbons on Mining Law Reform
• The Art of Finding Coarse Gold Part II—Pocket Hunting for Residual Placers
• Gold Canyon Resources Targets Gallium
• Picks & Pans: Auburn Ravine Gold
• Suit Filed to Stop Mining in Northern California
• Niobium and Tantalum
• The Iola Mine Group, Montgomery County, North Carolina
• Effectively Using a Detector and Drywasher for Placer Gold
• Mining Companies Use Conservative Valuations
• Company Notes
• Accident at Robinson Mine Leaves Two Dead
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices