Canadian Company Recovers 1,111-Carat Diamond
December 2015 by Scott HarnIt is the second largest gem-quality diamond in history, after the 3,106-carat “Cullinan Diamond” was recovered in South Africa in 1905.
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.
Mining has returned to Nevada’s historic Comstock more than 150 years after the discovery of one of the world’s richest silver veins touched off a frenzy that drew thousands of people west. But unlike the hard rock miners in the 1800s, the modern day operation involves huge trucks...
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
Copper is one of the metals that form the backbone of our modern civilization. Copper is an essential part of every computer, cell phone, automobile and household appliance.
The Bawl Mill • Our Readers Say • Ask The Experts • SB 838 and the Salem Witch Hunt • Small-Scale Hard Rock Production • Researching Mineralized Areas • MMAC & PLP Update • VLF Detector Operating Modes • Using Geologic Maps • Lost Sally's Gold • Time to File Claims in Southern California • Colorado Disputes Key Part of EPA Mine Report • Picking Our Way Through Bedrock • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver