History & Geology
Can You Recognize Valuable Ores?
August 2016 by Chris Ralph
![](http://www.icmj.com/userfiles/images/201608/toc14-recognize-valuable-ores.jpg)
Heavy Sands Mining
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.
Gold Placers of the Kenai Peninsula, Alaska
![](http://www.icmj.com/userfiles/images/201401/TOC-Kenai.jpg)
Electrum: Gold and Silver Together
![](http://www.icmj.com/userfiles/images/201601/16-Nevada_electrum.jpg)
A New Look at Old Mines
![](http://icmj.com/userfiles/images/201104/toc-a-new-look.jpg)
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
The Mysterious Telluride Minerals
…let’s dive in and take a closer look at these rich gold and silver-bearing minerals to find out what they are, where they form, and how to identify them.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts
• Ask The Experts
• Revisiting the Rocker Box
• Follow Up to "Just One More Time"
• The Highs and Lows of Drywashing
• Successful Detecting Requires Attention to Detail—Part I
• Panning for Gold on Canyon Creek
• China Closing More Than 1,000 Mines
• Habits, Procedure, and Where Is The Gold?
• Exploring A Historic Lode Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
Free:
MMAC & PLP Update