History & Geology
Reno's 1872 Time Capsule Includes Gold Rush Lore
June 2019 by Associated Press
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 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!
Picks & Pans: Gold Recovery in Placer Mining Operations
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
Testing Ores for Free Gold
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
All About Minerals
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.
Gold in Quartz
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
Nevada's Silver City Gold District -- Part II
May 2016...this district has had a continuous life of gold mining and milling that spans 150 plus years, and it appears that it will keep pressing on for many more years of production.
Ophir—Possibly the Best Kept Secret in Alaska!
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
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June 2019 (Vol. 88, No. 10)
• The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - Can you provide information on gold in Ghana?
• Ask The Experts - Geophysics and gold deposits
• Ask The Experts - Do these items qualify as mechanized equipment?
• Ask The Experts - EPA Method 6020 testing
• Ask The Experts - New detector or stick with the old?
• The Value of Old Patches
• A 'Rare' Opportunity for America
• Tips for Cleaning Gold Nuggets
• How Long Does It Take to Find and Recover An Ounce of Gold?
• Gold Prospecting for Better or Worse: In A Tight Spot
• Detecting Wet Ground Yields More Fun Than Gold
• Over The Divide: Jim Straight, 1930-2019
• Beach Mining for Placer Gold
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
PLP Update
• Comments Needed On Pebble Project Draft EIS
