All Articles
Flat-Fault Gold
August 2001 by Edgar B. Heylmun, PhD
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.Additional articles that might interest you...
Picks & Pans: Working the Ol' Paystreak
November 2001
The bright yellow nugget caught my eye as I pulled the astroturf down the sluice box into the large plastic tub. I grabbed it from the mat, pretty much in shock because of its size.
The bright yellow nugget caught my eye as I pulled the astroturf down the sluice box into the large plastic tub. I grabbed it from the mat, pretty much in shock because of its size.
Legislative and Regulatory Update
May 2005
• NEPA improvements coming?
• Speaking of the Forest Service...
• Murkowski proposes tax increase on miners
• Kensington impact statement affirmed
• Rock Creek on hold, for now
• ESA reform update
• Desert Mineral Mining; one down, two to go for permits
• Montana smells a RAT
• NEPA improvements coming?
• Speaking of the Forest Service...
• Murkowski proposes tax increase on miners
• Kensington impact statement affirmed
• Rock Creek on hold, for now
• ESA reform update
• Desert Mineral Mining; one down, two to go for permits
• Montana smells a RAT
Legislative and Regulatory Update
August 2005
• BLM claim fees rise.
• Miners win in Karuk Tribe of California v. USFS
• BLM claim fees rise.
• Miners win in Karuk Tribe of California v. USFS
Prospecting for Copper
May 2004
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
Gifts of Gold for University of Zimbabwe
September 2009
The design of the makorokoza’s handmade wooden pans has not changed over the centuries. Until Rege introduced it to them they had seen nothing like a spiral wheel concentrator.
The design of the makorokoza’s handmade wooden pans has not changed over the centuries. Until Rege introduced it to them they had seen nothing like a spiral wheel concentrator.
Subscription Required:
The Bawl Mill
• Our Readers Say
• The Public Process—Getting Involved and Making a Difference
• Pacific Northwest Miners Request Help
• USFS Roadless Comments Reopened
• Basic Drywashing Principles
• Fields of Gold
• Picks & Pans: All That Glitters Pans Out Well!
• De Beers Undergoes Overhaul
• Gold in Michigan
• Update on the West Mojave Desert Planning Area
• 2001 Inductees to the National Mining Hall of Fame
• Company Notes
• The Spanish Silver of Mowry
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
