The Wild Rush to Find More Cobalt—Part I

February 2018 by Chris Ralph

While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.

The Birimian Greenstone Belts of West Africa

July 2013
The country we were to visit was Burkina Faso, a small country about the same size of my home state of Nevada with about 10 times more people. The second day I was in Africa, we went out to the goldfields for the first time.

Surface Indications Of Quartz Adularia Epithermal Deposits

May 2015
I am going to keep to the basics of surface indications and visual clues in the rocks and minerals themselves that help me find gold-bearing veins in this classification of deposits.

Gold Deposits of the Ivory Coast

April 2014
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.

Crystallized Gold Mines of California

February 2022

Gold specimens that include visible crystal formations are among the rarest, most attractive and most valuable forms of gold to be found.

Refractory Gold Processing

February 2013
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

The Tombstone Silver-Lead District, Arizona

April 2016
In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.

The Many Facets of Iron

March 2013
I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.

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