History & Geology
The Strange History of the Utica Mine
January 2016 by StaffIn the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
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.
Gold Depositiion and Gradients of Placer Streams—Part II
The steeper the gradient is, the more potential erosive power to move gold and other bedload sediments, and the more power to remove obstacles to flow.
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.
Why So Much Gold in Nevada?
Nevada produces about 75% of all the gold mined in the US. This means that all the other 49 states combined only produce 25%, and this includes California, Alaska and Arizona.
$50 Million in Gold From 1857 Shipwreck Approved for Sale
The gold is all for sale. Just one tiny coin alone could go for $1 million because of its combination of rarity and the history behind it...
The Amazing Mineral Tourmaline
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
Georgetown CA: A Historically Rich Mother Lode Treasure
The interesting thing about the Mother Lode area is that we can pretty much find at least a little gold in any creek or river (and even in some of the many dry gulches).
The Bawl Mill • Ask The Experts • Ask The Experts • Ask The Experts • Ask The Experts • Detector Prospecting Accessories • Electrum: Gold and Silver Together • Drywashing Arizona Gold • Mineralized Faults and Contacts in the Search for Gold • Sunshine and Gold • A Successful Trip Through Gold Basin • Oregon Miners File for Summary Judgment • The Significance of Nuggets in Placers • Forest Service Seeks to Lock Miners Out in South Dakota • Maitland Bar Nugget to Go On Display • Company Says Central Idaho Project Feasible • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices