History & Geology
California: The Land of Big Nuggets—Part II
January 2018 by Chris Ralph
There are a number of Tertiary river channels in the area, most of which trend south-southwest. They tend to be steep, narrow, and rich with coarse gold.
Gold and Rare Earth Elements in New Mexico
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.
Surface Indications Of Quartz Adularia Epithermal Deposits
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.
Alaska: Kodiak Islands Mineral Resources
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.Understanding Large Gold Deposit Types: Discovering New Mines
The other opportunity that I see is in seeking unusual types of deposits. Specifically, the prospector would be searching for the stuff no one (or almost no one) is searching for. These deposits are effectively hiding in plain view.
Eastern Arizona: Gold and Base Metal Deposits—Part I
Arizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.
Sierra County Gold—Part II
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
Iron Ores and Iron Mining
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
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