History & Geology
Critical Minerals: Gold
August 2011 by Chris Ralph
A few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.Gold in Beatty, Nevada
In this case, signs of gold were found at the bottom of the alluvial and then traced in a triangle up the face of the mountain until they stopped—that is where the digging began.
The Coolgardie Gold Mining Camp of Southern California
The area was mined intermittently from around 1900 to 1915, but was also mined in the late 1800s, with a total output valued at about $100,000, which is around $9.5 million at the current gold price.
Epithermal Gold and Silver Deposits
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.
The Birimian Greenstone Belts of West Africa
A few years ago I had a tremendous opportunity to visit Australia and hunt for gold there. The geology of the gold deposits there was somewhat different from what I was used to here in the US. I learned a lot about greenstone belt gold deposits while prospecting them in person, and it was an amazing trip.
Gold in Tertiary Gravels
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
Ancestral Yuba River Placer Gold Deposits
The small-scale miner has reasonable opportunity to exploit some of these small, rich placer gold deposits.
Gold and Silver Deposits of Bodie, California
Bodie, California, in its heyday, was once rumored to be one of the roughest and most lawless towns in the American West.
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