All Articles
Alluvial Fans
April 2002 by Edgar B. Heylmun, PhD
Alluvial fans are essentially dry land “deltas” which can be found in all climates. However, they are best developed in arid and semi-arid regions, where they may be many square miles in area. They are built up by outpourings of silt, sand, and gravel caused by seasonal run-off, as well as by boulders and cobbles carried by flash floods.Additional articles that might interest you...
Arizona's Border Silver Camps
July 2001
Not much has changed along the original stage road that runs easterly from an old schoolhouse northeast of Nogales into the Patagonia Mountains of southern Arizona. Marked on the maps as Duquesne Road, the route has been in use for over 130 years, climbing from the hot desert floor to an almost 6,000-foot elevation pass before dropping back down the eastern slope of the mountains to reach the old mining camps of Washington, Duquesne, and Lochiel.
Not much has changed along the original stage road that runs easterly from an old schoolhouse northeast of Nogales into the Patagonia Mountains of southern Arizona. Marked on the maps as Duquesne Road, the route has been in use for over 130 years, climbing from the hot desert floor to an almost 6,000-foot elevation pass before dropping back down the eastern slope of the mountains to reach the old mining camps of Washington, Duquesne, and Lochiel.
Palladium Hitting Jewelry Market
January 2007
When Frank McAllister talks about palladium, his passion is palpable. So when the Stillwater Mining Co. CEO compares the precious metal to a fairy-tale princess, one can’t help but wait for the explanation.
When Frank McAllister talks about palladium, his passion is palpable. So when the Stillwater Mining Co. CEO compares the precious metal to a fairy-tale princess, one can’t help but wait for the explanation.
Mining Stock Quotes and Mineral & Metal Prices
September 2013
Gold Dredgers Rescue Threatened Fish
May 2004
Gold dredgers were enlisted in an effort to salvage a rare stretch of chum salmon spawning grounds along the Columbia River between Vancouver, Washington, and Portland, Oregon.
Gold dredgers were enlisted in an effort to salvage a rare stretch of chum salmon spawning grounds along the Columbia River between Vancouver, Washington, and Portland, Oregon.
Legislative and Regulatory Update
October 2002
• Financial Guarantees (Bonding)
• National Environmental Policy Act (NEPA)
• Diesel engine exhaust
• Senator Daschle inadvertently helps timber industry
• USFWS implementing Wildlands Project without voter approval
• Financial Guarantees (Bonding)
• National Environmental Policy Act (NEPA)
• Diesel engine exhaust
• Senator Daschle inadvertently helps timber industry
• USFWS implementing Wildlands Project without voter approval
Catastrophism vs. Uniformitarianism
November 1999
Man has always wondered how the Earth was created, and how oceans, mountains, and other features were formed. However, until the last 200 years, most phenomena were explained by means of legends, superstitions, or religion. It is still that way in many parts of the world.
Man has always wondered how the Earth was created, and how oceans, mountains, and other features were formed. However, until the last 200 years, most phenomena were explained by means of legends, superstitions, or religion. It is still that way in many parts of the world.
How to Stake Your Own Claim—Researching Mining Claims
June 2017
Once you have determined that the land is locatable, the next step in the claim research process is to determine if the land has already been claimed by a previous locator.
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