Bill Magee the Gem Miner|
November 24, 2013 | YouTube.com
An interesting video about Bill Magee, a gem miner who lived and found lots of gems in southern California. (His big find – about 1 1/2 tons of morganite crystals – is at about 22:30.)
The Worlds Largest Emerald Mine|
November 14, 2013 | Gemfields Plc on YouTube
This video shows a few activities at Gemfields’s Kagem Emerald Mine in Zambia.
Most Viewed News in October|
November 1, 2013 | Geology.com
Egypt Fears a Dam on the Nile in Ethiopia
235 Carat Diamond Found in Siberia
Status of Recent Geoscience Graduates
Nice Yellow Diamond Found in Arkansas
What Caused the Sudden Explosion of Animal Life 520MYA?
Walking Away from One of the World’s Largest Gold Discoveries?
Shell Walks Away from Oil Shale
Granitizers vs Magmatists
Arizona Mining Review for October|
November 1, 2013 | Arizona Geological Survey on YouTube
News and events on mining in Arizona during October, 2013.
** Nyal Niemuth takes a hard look at AZ minerals industry – a lot of concern as some promising project are mothballed for lack of funds. (0:30)
** Hall Stewart of Commonwealth Silver discusses new development in one of AZ’s oldest and most productive silver properties. (8:21)
** Steve Rauzi focuses on our new AZ Oil and Gas Well viewer as a window into AZ’s subsurface and how this can inform environmental, water, minerals, oil and gas studies/exploration. (20:13)
The Government Shutdown and Geology|
October 15, 2013 | American Geophysical Union
The American Geophysical Union has a short article that explains why the “Government Shutdown Affects More Than Jobs“.
October 13, 2013 | geology.com
Ametrine, a combination of amethyst and citrine is a bicolor quartz and a gemstone of growing popularity.
It is produced commercially from just one mine in the world, located in eastern Bolivia.
Walking Away from One of the World’s Largest Gold Discoveries?|
September 30, 2013 | Businessweek.com
A speculative article on Bloomberg Businessweek explores why Anglo American walked away from six years of work and an investment of 1/2 billion dollars in what might become one of the world’s richest gold mines.
Copper Silver and Manganese Mining in Arizona|
September 29, 2013 | Arizona Geological Survey on YouTube
The Arizona Geological Survey has a video, that features the status of copper, silver and manganese mining operations that are planned for Arizona.
It also includes an interview with the AGS digital librarian who is working to place decades of historical mining reports, maps, photos and other documents online for free public use. These documents come from government, company and personal collections and include thousands of site reports.
The Bayou Corne Sinkhole|
September 29, 2013 | New York Times
An article on the New York Times website tells about the Bayou Corne Sinkhole, located in Louisiana above a salt dome where about 25 acres have subsided. The salt dome has been solution mined and the cavities produced by that mining have been used to store a variety of petroleum products.
Related: What is a Salt Dome?
Sapphire Mining in Madagascar|
September 23, 2013 | Gemological Institute of America
The Gemological Institute of America has an article about mining sapphires from the Ilakaka-Sakaraha deposit – the world’s largest sapphire producer.
Related: Corundum – The Mineral of Sapphire and Ruby
Digitizing, Cataloging, and Publishing Arizona’s Mining Legacy|
September 12, 2013 | Arizona Geological Survey
Arizona Geology Magazine has an article that describes the work being done to place an archive of information about mining in Arizona online for public access.
Recovering Rare Earth Elements from Mine Tailings?|
September 6, 2013 | USGS
“USGS scientists are reanalyzing rocks, minerals and associated mine tailing samples – some collected 120 years ago – to assess their rare and critical elements, which could become potential for economic development.” Quoted from the USGS press release.
Related: What are rare earth elements?
Clearing the Bingham Canyon Landslide|
September 6, 2013 | KSL.com
An 1800-ton shovel has been moved to the Bingham Canyon Mine where a 165 million-ton landslide brought production to a halt. So far they have removed 6 million tons from the head of the slide.
The Many Uses of Marble|
August 21, 2013 | Geology.com
From monuments to crushed stone to cosmetics and pharmaceuticals, very few rocks have as many uses as marble.
Related: Limestone, the Marble Protolith.
Potash Price Collapse?|
August 1, 2013 | Arizona Geology Blog
“The world’s potash industry imploded today as Russia’s Uralkali withdrew from the Belarus Potash Corporation one of two global potash cartels that control about 70% of the world’s potash production. ” Quoted from the Arizona Geology Blog.
Uses of Chromium|
July 24, 2013 | United States Geological Survey
Chromium has many uses that range from the pigment that produces the familiar “chrome yellow” of school buses and highway lines to the metal used to create an alloy that we know as “stainless steel”.
Related: Chromite – the only ore of chromium.
Review of the Bingham Canyon Slide|
July 23, 2013 | MineWeb.com
The MineWeb.com website has an article titled: “Inside Bingham Canyon — N. American mining’s largest, most successful landslide”.
Related: Landslide Hazards (USGS)
Top Diamond Producers|
July 18, 2013 | Geology.com
Botswana, Russia and Canada retained their positions as the top three gem quality diamond producers for 2012 according to production estimates from the United States Geological Survey.
Related: Diamond Mines in Canada
Don’t Swim in Quarries|
July 18, 2013 | Metro.co.uk
Hot weather often lures people into taking a swim in an abandon quarry. That’s not a safe thing to do. In the past few weeks, four people have drowned in quarries in the UK.
In the United States, swimming and other accidents claim 20 to 30 lives in quarries each year.
Most Popular: July 1 to July 15|
July 17, 2013 | Geology.com
Caves Discovered by Construction Projects
100 Million Barrel Discovery in the Gulf?
Six Planets – Three in Habitable Zone
Oil Industry Job Profiles
Monsoon Rains and Debris Flows in Arizona