History & Geology
The Many Facets of Iron
March 2013 by Bill Rich
I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.
Additional articles that might interest you...
The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II
August 2013
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
The Geology of Diamond Deposits
May 2019
New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.
Gold in Quartz
February 2016
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
All About Quartz—Part I
May 2013
One of the first minerals most prospectors learn to recognize is quartz, because, in the right circumstances, it can be an excellent indicator mineral for prospectors. Quartz is common, easy to identify, and is often associated with gold and other valuable metal deposits.
One of the first minerals most prospectors learn to recognize is quartz, because, in the right circumstances, it can be an excellent indicator mineral for prospectors. Quartz is common, easy to identify, and is often associated with gold and other valuable metal deposits.
The Strange History of the Utica Mine
January 2016
In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
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.
Rock and Formations of the Mother Lode Gold Belt
October 2015
The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.
The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Legislative and Regulatory Update
• Gold Deposits of Montana
• Benches and Fossil Placers
• Turning Hobby Mining into Business Mining
• Buying a Mining Claim: Questions to Ask
• Looking for that Hidden Placer
• And the Survey Says...
• $50 Million Swiped in Diamond Heist
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
