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History & Geology

$50 Million in Gold From 1857 Shipwreck Approved for Sale

The gold is all for sale. Just one tiny coin alone could go for $1 million because of its combination of rarity and the history behind it...

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Hard Rock and Placer Gold of Manhattan, Nevada


He found 5 to 7 feet of gravel containing half an ounce per yard. This started a rush of placer activity and several other shafts were sunk, with some large multi-ounce nuggets being found.

Gold, Quartz & Chalcedony—Part II


The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.

Gemstones to Die For


Some gems can potentially poison you, make you sterile and even make you forget who you are.

A Short History of Hydraulic Mining in California


To add to the confusion, the dam wasn’t holding back a large amount of water. It was full of gravels and had a small creek running through it. I had to know more.

Potholes and Other Bedrock Traps


Potholes in bedrock can trap placer minerals and even be glory holes. They are, at least, interesting geologic phenomena, and at best, a treasure trove of gold nuggets.

Prospecting for Copper Ores—Part II


Copper is a critically important metal that we need to run our modern electronic society, and the long term outlook for this metal is for a steady increase in price.

Undiscovered Placer Deposits in Alaska


These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.

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The Bawl Mill   • The Wild Rush To Find More Cobalt—Part II   • Trash! A Hindrance Or Hot Spot For Hidden Gold?   • Rare Silver Nuggets And Their Origins   • Legislative and Regulatory Update   • Re-Opening Nevada’s Relief Canyon Mine   • PLP and MMAC Update   • New Rules For Taxing Pass-Through Income   • Sulfides and Intergrain Gold Wire Nuggets   • Man Who Died In Yellowstone In 2017 Was Looking For Hidden Treasure   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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PLP To Address Needs Of Small Miners With Proposed Amendment

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