History & Geology
What Are Those Rocks In My Pan?
June 2011 by Jim Halloran
The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.The Significance of Nuggets in Placers
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
Exploring and Mining for Uranium
For a time uranium was more popular with prospectors than gold, but this is no longer true, and it has been decades since it was common to see individuals armed with Geiger counters out in the field.
Reno's 1872 Time Capsule Includes Gold Rush Lore
The Reno Masonic Lodge was built along the railroad tracks back when Ulysses S. Grant was president and shortly after the Comstock Lode of gold and silver was struck in Virginia City.
The Goldfield Mining District, Nevada—Part II
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
WSGS Releases New Geologic Maps
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
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.
The Beatty Mining District of Nevada
The Beatty Mining District in south-central Nevada has been one of the most productive Mining Districts in the state, producing millions of ounces of gold together with silver, fluorite, mercury and other valuable minerals.
Subscription Required:
The Bawl Mill
• Dredge Mining—Current Situation in Idaho
• Fault Zones and Prospects
• "Gold Rush: Alaska" in the Porcupine Mining District
• Wyoming's Billion Dollar Nugget—The Trilogy Ends
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
Free:
Gold Prospecting and Mining Summit
• Legislative and Regulatory Update
• Hands-on at Iowa Hill
• Good Research and Bad Luck
