Critical Minerals: Titanium—Part II

August 2018 by Chris Ralph

There are both hard rock and beach sand types of titanium deposits, but the hard rock deposits need to be at least 10 percent titanium while the beach sands often are economic with only two or three percent titanium.

Exploring A Historic Lode Mine

August 2016
Climbing up the debris, I pointed my flashlight up a shaft ascending straight up as far as my light would shine. It was the stope of the pay shoot leading to the old tunnel above!

Copper Deposits of Alaska

February 2014
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.

Alaska: Kodiak Islands Mineral Resources

March 2016

The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.

Ask The Experts

June 2015
Sulfides and oxides—what's the difference between the two?

The Geology of Diamond Deposits

May 2019

New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.

Reese River Silver Mining District, Nevada

March 2014
The strike and the dip of the veins can be broken down into two categories: veins in the eastern area and along Lander Hill, and the veins in the southwestern portion of the district.

All About Minerals

November 2015
There are several common ways that new mineral crystals form and grow. Perhaps the simplest is when minerals form through the cooling of molten rock and the atoms bond together into mineral crystals.

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