Large Scale Mining
The Ely Copper-Gold District of Nevada
January 2015 by Chris Ralph
The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
China Closing More Than 1,000 Mines
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
Have We Hit 'Peak Gold'?
According to some experts, after the peak is reached, the production rate will slowly decline until it reaches near zero while the price shoots upward. At that point, we will have pretty much mined all the economic ore deposits that are present on the planet.
Drilling for Ore
In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
Nevada Miners: Check Your Claim Markers
The Nevada Senate introduced SB108 in 2009 to prohibit PVC piping utilized by miners to stake mining claims.
The Basics of Crushing and Milling Operations
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.
Gold and Rare Earth Elements in New Mexico
We import nearly all of our REEs from China, so it’s critical that we find and continue to develop domestic resources of these elements.
Using Structural Clues to Locate Buried Placer Channels
They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.
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