Introducing the Gyro Separator Corbus 7000!

Magazine

History & Geology

Heavy Sands Mining

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Round Mountain, Nevada


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


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


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


...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


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


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!


...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

Free:
Legislative and Regulatory Update   • All About Garnets

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue