Prospecting & Detecting
Mom Finds 3.72-Carat Yellow Diamond
September 2019 by Scott Harn
“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.”
Hard Rock 101: Micro Blasting
Micro blasting can be used to take down hanging rock, separate minerals from overburden, and collect gemstones and other high-value product with minimal damage.
A Day On The Yuba River
There weren’t as many pieces of gold, but what I did find was bigger. As I worked my way down towards the spot that I had been working the first three days, I noticed a large crack that crossed the river.
Mining for Gemstones and Mineral Specimens
It is better in a gem and mineral mining operation that the driller, blaster and mucker be the same person in order to be able to predict placement of the desired mineral enriched pockets.
Gemstones to Die For
Some gems can potentially poison you, make you sterile and even make you forget who you are.
The “Chuck It Out” Nugget
This was no ordinary nugget. It had not traveled very far from its nearby source, and that did mean a lot, as we were searching for the source of several such nuggets found during a gold rush that occurred in 1859.
Trail to Treasure
We are both very experienced working this type of ground, and we quickly found the pay layer where we would focus our efforts. The bedrock has good gold, but so does the red hard pan.
Geobotany: Plants Associated With Mineral Deposits
Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.
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The Bawl Mill
• Ask The Experts - How do I remove the silvery-white coating from my gold?
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• Ask The Experts - Why are some valid mining claims missing from apps when researching land status?
• Ask The Experts - Is using a drywasher legal in California
• A High Country Patch
• An Update On The Father's Day Gold Discovery
• Exploring The Historic Rand Mining District, Southern California
• Disturbing Trend: Federal Judges Disregard Mining Laws
• My First Carolina Nugget
• How to Refine Silver—Pt I
• Step-by-Step Crevicing
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Legislative and Regulatory Update
• PLP Update: How to Restore The Rights of Suction Dredge Miners
