All Articles
The Ocampo District, Chihuahua
April 2003 by Edgar B. Heylmun, PhD
The village of Ocampo is wedged in a canyon about 178 miles, by Mexican Highway 16, west of the city of Chihuahua. It is a few miles west of Basaseachic Falls, and a few miles south of Highway 16, in high chaparral at an elevation of 6,500 feet. The completion of Highway 16 across the Sierra Madre Occidental greatly improved access to the region...Additional articles that might interest you...
Legislative and Regulatory Update
August 2008
As mentioned in last month’s column, California Assemblywoman Lois Wolk attached a rider to the pending budget bill. The rider calls for a new study (Environmental Impact Report) on the effects of suction gold dredging, funding for the study, and a two-year moratorium on suction dredging while the study is being completed.
As mentioned in last month’s column, California Assemblywoman Lois Wolk attached a rider to the pending budget bill. The rider calls for a new study (Environmental Impact Report) on the effects of suction gold dredging, funding for the study, and a two-year moratorium on suction dredging while the study is being completed.
Legislative and Regulatory Update
March 2012
• California suction dredging regulations
• Draft Coho recovery plan for Southern Oregon, Northern California
• Sage-grouse
• California suction dredging regulations
• Draft Coho recovery plan for Southern Oregon, Northern California
• Sage-grouse
River Dredging vs. Creek Dredging—Part I
December 2011
As I started walking down to the river one chilly morning, the mist was hanging over the calm portions of the water like a white cotton blanket. This scene got me to thinking about why the river was like that—the deep pools, boulder fields, gravel bars, the effects of how much water was moving at any given time along the watercourse—and most of all the relationship all these things have on where I will be able to find gold.
As I started walking down to the river one chilly morning, the mist was hanging over the calm portions of the water like a white cotton blanket. This scene got me to thinking about why the river was like that—the deep pools, boulder fields, gravel bars, the effects of how much water was moving at any given time along the watercourse—and most of all the relationship all these things have on where I will be able to find gold.
Basic Sniping: Prospecting With a Pan & Simple Hand Tools
November 2006
There’s a lot of really great prospecting equipment on the market right now, and I have to admit I’ve spent my share of money over the years investing in dredges, drywashers, metal detectors and the like. But a lot of new folks just getting into...
There’s a lot of really great prospecting equipment on the market right now, and I have to admit I’ve spent my share of money over the years investing in dredges, drywashers, metal detectors and the like. But a lot of new folks just getting into...
Mining Industry Enthusiastic About Prospects
March 2004
Vancouver, British Columbia, became the focus of the international mining community for five exciting days in late January as two conventions catering to the precious metals mining community were held just blocks apart from each other. And, while they both had differing emphases, each convention attracted unprecedented numbers of participants.
Vancouver, British Columbia, became the focus of the international mining community for five exciting days in late January as two conventions catering to the precious metals mining community were held just blocks apart from each other. And, while they both had differing emphases, each convention attracted unprecedented numbers of participants.
Oregon Dredgers Receive Threats From Environmentalists
June 2004
Oregon dredgers have been receiving notices of intent to sue for violations of the Clean Water Act (CWA) from the Northwest Environmental Defense Center (NEDC).
Oregon dredgers have been receiving notices of intent to sue for violations of the Clean Water Act (CWA) from the Northwest Environmental Defense Center (NEDC).
Carbonatites
February 2005
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.
Subscription Required:
The Bawl Mill
• Impact of Habitat Designations Grossly Underestimated
• Manslaughter Charges Dropped Against Sixteen to One Mine
• A Unique Prospecting Method
• Over the Divide
• Cripple Creek, Colorado
• Picks & Pans: Virginia Prospecting
• PLP Gets the Key!
• Mariposa, California
• The Collaboration
• Mud Creek Placer Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
