History & Geology
Gold Refining In The Ancient World
March 2015 by Bill Rich
One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.Additional articles that might interest you...
The Ups and Downs of Geologic Faults
May 2011
Faults are fractures, breaks and broken zones in the Earth’s crust where one side of the break has moved relative to the other, and they come in many different varieties.
Faults are fractures, breaks and broken zones in the Earth’s crust where one side of the break has moved relative to the other, and they come in many different varieties.
Placer Mining At Chititu Creek, Alaska
March 2015
There is reason to believe these stream valleys are still rich with gold, silver and copper.
There is reason to believe these stream valleys are still rich with gold, silver and copper.
How Rich Must My Ore Be?
May 2021
How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?
Prospecting for Pegmatites
July 2015
…in some cases pegmatites have produced individual mineral crystals that are enormous, attaining lengths of over 40 feet long, and many of the world’s largest mineral crystals are examples that were found within pegmatite deposits.
…in some cases pegmatites have produced individual mineral crystals that are enormous, attaining lengths of over 40 feet long, and many of the world’s largest mineral crystals are examples that were found within pegmatite deposits.Gold Deposits of the Ivory Coast
April 2014
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
Can You Recognize Valuable Ores?
August 2016
The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.
The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.
The Giant King Mine
July 2014
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
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The Bawl Mill
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• The Paragenesis of Gold & Silver Deposits
• Getting A Successful Start in Metal Detecting for Gold
• Placer Mining At Chititu Creek, Alaska
• Gold Rush Continues in Africa
• Tasers and Mining Don't Mix
• Thinking Outside The Creek
• Melman on Gold & Silver
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