History & Geology
Heavy Sands Mining
February 2013 by Bill Rich
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.Additional articles that might interest you...
Round Mountain, Nevada
May 2014
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
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.
Undiscovered Placer Deposits in Alaska
November 2010
These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.
These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.
Electrum: Gold and Silver Together
January 2016
...if you are out prospecting and find something that looks very much like a nugget but has an odd greenish-gray cast to it, don’t be too quick to simply toss it aside as junk.
...if you are out prospecting and find something that looks very much like a nugget but has an odd greenish-gray cast to it, don’t be too quick to simply toss it aside as junk.
Prospecting for Diamonds in Kimberlite
January 2014
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
The Golden Days of Julian, California
October 2011
Some scattered reports say that gold may have been washed from streams here as early as the 1840s, but the undisputed major discovery came in 1870.
Some scattered reports say that gold may have been washed from streams here as early as the 1840s, but the undisputed major discovery came in 1870.
Ophir—Possibly the Best Kept Secret in Alaska!
November 2013
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Detecting Old Pocket Diggings
• Refractory Gold Processing
• Detecting in the Outback
• What is a Valid Mineral Discovery?
• Over the Fiscal Cliff for Tax Savings
• Extracting & Smelting Your Gold
• Online Mining Classes Now Available at Mackay
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Feds Challenge North Idaho Mining Claims
