Prospecting & Detecting
Hard Rock 101: Breaking Rock—Part I
May 2020 by John Norman
What do you do when you’ve located a promising deposit of gold or gemstones, but it’s trapped in solid rock?
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.
Gold Detecting Strategies for Hydraulic Mines and Debris Flows
The old timers typically washed these areas down to bedrock, and some areas appear terraced. I would imagine this is because these hydraulic mines were generally where the miners found old Tertiary river channels on the sides of mountains that were gold-bearing.
Determining the Amount of Gold in Rich Ores
This is just the type of specimen that could have been easily ignored by the old-time miners. It felt a little heavier in my hand than a chunk of quartz of that size ought to have been.
What's In A Name?
The names attached to these areas came about from many sources. Many are easy to see why the name was given while others had a more contrasting note to them.
The Batteries Metal Rush
There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.
Mom Finds 3.72-Carat Yellow Diamond
“Much of the ground where Ms. Hollingshead found her diamond is made of unweathered volcanic rock. When it rains, flowing runoff often leaves loose gravel, and sometimes diamonds, on the surface in these areas.”
Sold: 87-Ounce Nugget
A gold prospector in central Victoria, Australia stumbled across an 87-ounce gold nugget in early February 2015, after his wife told him to head outside to get some air. He had given up smoking a few weeks prior and was getting a bit “grumpy,” she told him.
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The Bawl Mill
• Ask The Experts - What does a prospector look for when seeking ores?
• Ask The Experts - Is a detector any good at discriminating pyrite or chalcopyrite in ferrous-reject mode?
• Ask The Experts - Does the Journal know if any gold mining has been shut down over the Covid-19 virus?
• Ask The Experts - Is this a promising assay?
• Ask The Experts - How do you utilize magnets in your prospecting equipment?
• Ask The Experts - Is using hydrogen peroxide a good indicator for PGMs?
• A Note from the Editor
• Going Over Old Ground With Newer Technology
• Tips and Tricks
• Prospecting in the Age of Covid-19
• Sharing Gold Fever with a Friend
• Panning on North Fork American Yields Good Gold
• Gold Prospecting for Better or Worse: Dum-Dum Dodges a Boom-Boom
• 'Wormholes'—Reckless Adventure
• All About Lead Minerals, Silver and Gold
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Legislative and Regulatory Update
• PLP Update: Regulatory Relief On The Way
• It's Time to Get the Heck Out of China
