History & Geology
Gold of the Iditarod Mining District, Alaska
March 2014 by Steve Herschbach
It was the middle of winter and the valley was covered in snow, making prospecting a matter of sinking shafts in the ground.
Additional articles that might interest you...
Calcite and Limestone
February 2017
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams
February 2015
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.The Struggle to Reopen Alaska's Largest Gold Mine
November 2012
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
Ask The Experts
June 2015
Sulfides and oxides—what's the difference between the two?
Sulfides and oxides—what's the difference between the two?
Gold, Quartz & Chalcedony—Part I
October 2011
Gold has always been noted to have an affinity for quartz to such a degree prospectors almost always dig on quartz veins in a search for the precious metal.
Gold has always been noted to have an affinity for quartz to such a degree prospectors almost always dig on quartz veins in a search for the precious metal.
Gold in Beatty, Nevada
September 2013
In this case, signs of gold were found at the bottom of the alluvial and then traced in a triangle up the face of the mountain until they stopped—that is where the digging began.
In this case, signs of gold were found at the bottom of the alluvial and then traced in a triangle up the face of the mountain until they stopped—that is where the digging began.
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.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Prospecting Hard Rock
• Reese River Silver Mining District, Nevada
• Twenty-Five Gold Indicators You Should Know
• Alaska: Large-Scale Mining Can Be Done Right
• Bedrock
• Natural Gold Alloys
• Government Takes Land for Open Space
• Comments on Gold Rush and Bering Sea Gold Series
• Hidden Value in Old Tailings
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
