All Articles
Prospecting for Copper
May 2004 by John Rothermel
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.
Additional articles that might interest you...
Market Spotlight: Platinum in Demand
December 2006
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.
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.
From Vietnam to Wedding Bands
February 2017
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!
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!
The Bawl Mill
May 2001
• And the award goes to...
• How about a cold one?
• And the award goes to...
• How about a cold one?
Attention to Detail - Part II
September 2016
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.
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.
Discovering New Territory
September 2020
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.
Tucson Mountain Chaos
January 2005
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.
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.
Fields of Gold
August 2001
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.
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.
Subscription Required:
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
