Large Scale Mining
Mohave County, Arizona: The Oatman/San Francisco Mining District
July 2019 by Dean Delahaut
The Oatman/San Francisco Mining District’s historic gold production of 2.2 million ounces of gold since the 1880s makes this area Arizona’s greatest primary gold producing district.
Extraction of Precious Metals Using Froth Flotation
Without this versatile group of technologies, we would be hard-pressed to produce the metals so critical to our modern way of life. The robust mining industry of today would literally not exist.
Caught Between A Hard Rock and A Rare Earth Place
The same day, while two of us were heading to Vancouver to attend the mining convention, two others from our team were headed to Nevada to begin loading the millsite equipment.
Reminder: Annual Claim Filings Due
Please note that new mining claims filed on or after September 1, 2019, will be subject to the new fee schedule.
The Giant King Mine
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
Iron Ores and Iron Mining
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
Alaska: Large-Scale Mining Can Be Done Right
"As elected leaders of the State of Alaska, we want you to know that Alaska is open to investment from those who seek to develop our state's natural resources safely and responsibly..."
Resolution Copper Project To Be Reviewed By Year-End
If approved, the project would use block caving to extract the remaining ore, most of which is 7,000 feet below ground level.
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The Bawl Mill
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