History & Geology
Metamorphic Greenstone Gold
March 2024 by Elley Ringo
© ICMJ's Prospecting and Mining Journal, CMJ Inc.
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Gold and Rare Earth Elements in New Mexico
August 2015
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.
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.
Calcite and Limestone
February 2017
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
Prospecting for Pegmatites
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…in some cases pegmatites have produced individual mineral crystals that are enormous, attaining lengths of over 40 feet long, and many of the world’s largest mineral crystals are examples that were found within pegmatite deposits.
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May 2012
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Ask the Experts: VMS ore
August 2012
Q: Are there any mills that handle VMS ore?
Q: Are there any mills that handle VMS ore?
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