All Articles
Pediments
April 2005 by Edgar B. Heylmun, PhD
A pediment is a broad, gently sloping erosion surface or plain of low relief that is often found in arid and semi-arid regions at the base of a receding mountain front. The example shown is from the Palo Verde Ranch 15-minute topographic quadrangle, southwest of Tucson, Arizona. This is one of the best examples the writer has ever seen.Clues for Detecting Ancient River Channels and Flats
The gold in this area can get quite large. Most of the pieces are about half a pennyweight on average.
Ask The Experts - Detectors and flour gold
Legislative and Regulatory Update
• Utah's Kathleen Clarke nominated for top BLM post
• 3809 Regulations—Letter Drive
• Judge rules on Oregon coho salmon
• Norton joins fight against environmentalist lies...
Environmentalists Back FS on Mining Withdrawl
Representatives of every major environmental group in northern Arizona and nearly every American Indian tribe in the region lined up at a public hearing recently to praise officials from the Coconino National Forest.
Detector Brings New Life to An Old Lode Mine
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
Southern Oregon's Illinois River—A Lesson in Sharing
Our theory was that a dredge would collect far more material in a shorter period of time, leaving us with ounces of gold every day.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Progress Report on Washington State Small-Scale Regulations
• Bill to Allow Mining of Coeur d'Alene Basin
• Dredging Below the Homestake
• Looking Back
• Picks & Pans: The Glory Hole
• Enthusiastic Crowds at PDAC
• Fraser Institute Survey Results Rank Best (and Worst) Mining Locales
• Synclinal Oil
• Small-Scale Prospecting & Mining (A Little History)
• Higher Zinc Price Creates Opportunity
• Government Appeals Miner Injury Case to Supreme Court
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
