Prospecting for Copper
May 2004 by John RothermelThis 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.
Platinum has run to record highs this year, but it’s not a rush of demand for wedding bands that has boosted prices. It’s diesel.
It’s a common symptom of gold fever for miners to be very hesitant to let go of gold they’ve found or even have it made into jewelry. I confess, I suffer from the same incurable disease!
• And the award goes to...
• How about a cold one?
Ditches almost always started in the high country and contoured the mountainsides, making a long drop, usually many miles away, to the goldfields. There are ditches in Trinity County that originate at seven and eight thousand feet in the Trinity Alps that carried water almost thirty miles.
This same concept is true of many of our modern-day rivers, and we have to find out where their gold originated if we can.
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.
Imagine being able to get gold from plants. This phenomenon is called phytomining. But it’s not as easy, or as profitable, as it sounds. You may have heard of phytoremediation—the process of extracting metal contaminants from soil.
The Bawl Mill • Economic Analysis on Critical Habitat for Bull Trout • US Mining Industry Outlook Brighter • Gold in the Chinle Formation • Gold Dredgers Rescue Threatened Fish • Gold Mine Plans Upheld in Lawsuit • DOI Computers Back Online • Picks & Pans: Nuggets by the Dozen in Alaska • Historical Mining Methods • The Elusive Mother Lode • Clarence King, Geologist • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver