Rare-earth element - Wikipedia
A rare-earth element (REE) or rare-earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium. Scandium and yttrium are considered rare-earth elements because they tend to occur in the same ore...Read More
The Struggle To Mine Rare Earths | July 27, 2015 Issue - Vol. 93 ...
Jul 27, 2015 ... The slower-than-expected production ramp-up is not due to any shortage in the mine itself, which contains probable reserves of 1.5 million tons of rare earths—70 years' worth of output. Rather, the difficulty has come from setting up and optimizing the chemical- and materials-handling equipment used to...Read More
Industrial Uses of Rare Earths: Namibia Rare Earths Inc.
The global demand for rare earths has increased as more uses for these elements are found. Today there are hundreds of uses for REE, ranging from high tech (lasers, camera lenses, computer memory modules, x-ray machines), energy (batteries, lamps, superconductors) and industrial (aerospace, caustic cleaning agents...Read More
REE - Rare Earth Elements - Metals, Minerals, Mining, Uses
Rare earth elements are not as "rare" as their name implies. Thulium and lutetium are the two least abundant rare earth elements - but they each have an average crustal abundance that is nearly 200 times greater than the crustal abundance of gold . However, these metals are very difficult to mine because it is unusual to...Read More
Rare Earth Elements - Rare Element Resources
The amount of rare earths used in high tech equipment is nominal but almost always critical to the unit's performance. For example, an iPhone ... Because China sold rare earths at very low prices, mines like Molycorp's Mountain Pass in California and others throughout the world were unable to compete. By 2000, China...Read More
Sea holds treasure trove of rare-earth elements : Nature News
Jul 3, 2011 ... Despite the name, rare earths aren't geologically scarce. But China, which currently produces some 97% of world supply, has put stringent caps on the amount available for export. This has led to big price jumps and the depletion of national stockpiles elsewhere in recent years. New mines are now being...Read More
Dirty, dangerous and destructive – the elements of a technology ...
Sep 26, 2011 ... They may have exotic names that are difficult to pronounce, but they're ubiquitous in daily life in developed communities. Technology, we ... After mining and processing, rare earth metals coast along as people use electronic equipment, until that equipment reaches the end of its usable life. Technology is...Read More
Largest known rare earth deposit discovered in North ... - MINING.com
Dec 5, 2013 ... Privately-held SRE Minerals on Wednesday announced the discovery in North Korea of what is believed to be the largest deposit of rare earth elements anywhere in the world. SRE also signed a joint venture agreement with the Korea Natural Resources Trading Corporation for rights to develop REE...Read More
What Are Rare Earths? - Rare Earth Technology Alliance
Rare earths are a series of chemical elements found in the Earth's crust that are vital to many modern technologies, including consumer electronics, computers and ... Discovered in 1843, terbium in its alloy form has the highest magnetostriction of any such substance, meaning it changes its shape due to magnetization more...Read More
A Visit to the Only American Mine for Rare Earth Metals - The Atlantic
Feb 21, 2012 ... iFixit cofounder Kyle Wiens visits the only source of rare earth metals in North America -- and one of the few places to get these materials outside ... When I stopped to take pictures of the mine, I got a chance to speak to a Molycorp geologist who was hired about 9 months ago and wouldn't give his name.Read More
Why rare-earth mining in the West is a bust — High Country News
Jun 16, 2015 ... Stahl hosted an engrossing segment on California's Mountain Pass Mine and the obscure metals it produces. Called the rare-earth elements, they are key to the production of electric cars, LED bulbs, smartphones, wind turbines and aerospace equipment. The report's formal title was interrogatory: “Modern...Read More
Wyoming Mining Association: Rare Earths Mining in Wyoming
Rare Earth Elements make up key components of cellphones, televisions, weapons systems, wind turbines, MRI machines and the regenerative brakes in ... Despite their name, REEs are actually commonly found on the Earth, but most do not occur in large enough quantities and high enough concentrations to mine easily.Read More
Mining the Moon and Ocean: Top 5 Rare Earth Minerals for Future ...
Sep 17, 2017 ... Also known as rare earth minerals or “rare earths”, rare Earth elements, as the name suggests, are ultra-rare and precious deposits that are used in a wide range of applications, including energy, glass and ceramics, rechargeable batteries, renewables, healthcare, transportation, and even banknotes.Read More
Environmental Damage - Massachusetts Institute of Technology
All of the stages of mining, refining, and disposal come with unique issues. Mining. The physical process of removing the ores from the ground is disruptive to the environment. Most rare earth elements are mined through open pit mining, which involves opening the surface of the earth using heavy equipment and machinery.Read More
Will Mining For Rare Earth Metals Destroy Greenland?
Aug 9, 2012 ... To stop China's stranglehold on the minerals necessary for our digital economy, mining companies are looking to the icy expanse of Greenland. But with no regulation, no light, and no oversight, what will those mines do to this pristine Arctic landscape?Read More
4 Rare Earth Elements That Will Only Get More Important
May 21, 2010 ... "Rare earth elements are neither rare, nor earth," says Stephen Castor, recently retired research geologist with the Nevada Bureau of Mines and Geology. The name dates to the 18th and 19th centuries, when the elements were first isolated out of actually rare minerals. "Rare earth" stuck, but the elements...Read More
Rare-Earth Minerals Hold Promise for Seabed Mining - Science in ...
Nov 8, 2010 ... China ended its embargo on rare-earth minerals late last month, but the hunt for other options continues. ... Building giant machines to vacuum them up, despite much study and investment, has never proved to be economic. Now, the frustrated ... Despite their name, most rare earths are not particularly rare.Read More
Rare Earth Industry Supply Alternatives
3. HISTORY OF RARE EARTH MARKET: 5. CURRENT RARE EARTH MARKET: 7. MINING PROCESS: 9. ENVIRONMENTAL AND HEALTH EFFECTS: 10. ALTERNATIVES: 13 ... Rare earth elements receive their name, not because they are rare in the earths crust, ... equipment, and more (Hurst C. A., 2010). Rare earth...Read More
A Scarcity of Rare Metals Is Hindering Green Technologies - Yale ...
Nov 18, 2013 ... A shortage of \"rare earth\" metals, used in everything from electric car batteries to solar panels to wind turbines, is hampering the growth of renewable ... One of the hardest steps in e-waste recycling is simply getting the battery or other critical-metal-rich components out of the larger device or machine.Read More
mining rare earth minerals - Arts & Sciences | Boston University
The next gold rush could be in outer space, but the treasures luring modern-day prospectors won't adorn lavish jewelry. They are rare earths, a group of 17 chemical elements with tongue-tying names such as yttrium and thulium that are used in televisions, cell phones, laptops, cars, cancer treatment drugs, nuclear reactor...Read More
Rare Earths: Elemental Needs of the Clean-Energy Economy ...
Oct 13, 2010 ... The name comes from their seeming scarcity when first discovered in the late 18th century in an ore found near Ytterby, Sweden. ... Visible from space, the Bayan–Obo iron mine in Inner Mongolia is the world's largest source of rare earths, and the Chinese companies supplying them employ acid to dissolve...Read More
rare earth and uranium mining potential in the states - American ...
While rare earth and uranium mining strike many as esoteric topics, the fact is that rare earth and uranium are crucial to modern life in the United States. Rare earths are necessary for a wide array of everyday products from iPhones to advanced medical support to defense equipment, and to our digital society. Uranium.Read More
Reducing the industry's reliance on rare earth metals | Automotive IQ
Nov 21, 2017 ... Despite their name, rare earths are not geologically rare but are widely dispersed throughout the Earth's crust. Unfortunately because they are generally not found in high concentrations their beneficiation is not common. Further raising miners' costs and risks, the world market for rare earths is modest...Read More
A Look at Rare Earth Metals and Their Applications - The Balance
Dec 27, 2017 ... Rare earth metals are actually not as rare as their name might imply. ... and lasers and key to the most powerful magnets and superconductors in the world, rare earths are simply more difficult to mine than most metals and generally don't accumulate into ... Used in specialty glass and radiology equipment.Read More
Clean energy and rare earths: Why not to worry | Bulletin of the ...
May 23, 2017 ... Despite their name, rare earths are not geologically rare but are widely dispersed throughout the Earth's crust. They are mined in few places and by few firms, though, because they tend not to occur in highly concentrated form. Further raising miners' costs and risks, the world market for rare earths is modest...Read More
Scientists have figured out a better way to extract rare earth ...
Feb 11, 2016 ... Rare earth elements (REEs) are essential for the production of many modern gadgets and machines, from smartphones and solar panels, to computer chips, medical imaging, and jet engines. Despite their name, they're not particularly rare - but they are difficult to extract in large amounts, which is why...Read More
Brazil - Mining Equipment | export.gov
Aug 10, 2017 ... Brazil is the world's fifth largest mineral producer and, as a result, one of the world's largest markets for mining equipment. During 2013 to ..... CBMM has also researched the metallurgy of rare earths, and is investing to develop technology to start producing magnets from rare earths out of its own deposits.Read More
Mineral Sands and Rare Earths
Despite their name, most rare earths are abundant in nature but are hazardous to extract. At present, there is only one producing rare earth mine operating in Australia at Mount Weld near Laverton in Western Australia. Australia is the world's fifth largest producer of rare earths and has the world's third largest resources.Read More
Recovery of Rare Earth Elements from Coal Mining Waste - Smith ...
Mar 21, 2016 ... Rare earth elements are a group of seventeen chemical elements that occur together in the periodic table. They are essential ingredients in modern technologies such as cell phones, computers, rechargeable batteries, catalytic converters, medical equipment and critical defense applications such as...Read More
A few thoughts after touring a rare earth mine
Jul 7, 2015 ... Hard at work in the “pit,” Molycorp's Mountain Pass is the only rare earth mining facility in the U.S. It's located on the south flank of the Clark Mountain ... (I source locally and organically more often than not), but I don't often think about the materials that make up my cell phone or my new washing machine.Read More
Understanding Rare Earth Metals - Investopedia
Add to this their use in wind turbines and military equipment and it's plain to see that the rare earths are critical to the global economy. While we read and ... In fact, in many uranium mines, rare metals are simply left in tailing, as refining the rare earths is not economically viable for the majority of miners. In general, HREE...Read More
Rare Earth Minerals - Mining Oil and Gas Jobs
Rare earth minerals are costly to extract but are vital to the production of technical equipment and other industry productions. ... not often found in concentrated forms known as rare earth minerals. “So why are they called "rare" earths? The name alludes to their elusive nature, since the 17 elements rarely exist in pure form.Read More
The Battle Over Rare Earth Metals - Journal of Energy Security
Jan 12, 2010 ... These include lanthanum, from which rare earth metals get their collective chemical name of lanthanides to lutetium. How they are ... It is obvious that in order to clean up the damage from decades of mining and refining operations, China's rare earth industry must slow or even stop temporarily its activities.Read More
Sourcing Rare Earths and Critical Minerals | Mines Magazine
Indeed, you would have been hard-pressed to find anyone who could name neodymium as an element, much less recognize it as one of the 17 rare earth ... They are baked into aircraft engines and instrument systems, MRI and X-ray machines, and they are used in modern oil refining and water purification systems.Read More
North Korea is sitting on $6 trillion-$10 trillion of untapped minerals ...
Jun 16, 2017 ... Also present are large amounts of rare earth metals, which factories in nearby countries need to make smartphones and other high-tech products. ... There is a shortage of mining equipment and North Korea is unable to purchase new equipment due to its dire economic situation, the energy shortage and...Read More
Why safe nuclear will rely on rare earth minerals | ZDNet
Dec 15, 2011 ... Rare earths, we all know, are used across a swath of products key to daily living - wind turbines, iPods, cellphones, catalytic converters, fuel cells, flat panel TVs, rechargeable batteries, magnets, radar equipment, you name it. Despite their name, rare earth minerals are common. But mining them and...Read More
Rare Earths - USGS Mineral Resources Program
Most scandium metal, alloys, and compounds were used in sporting goods equipment, metallurgical research, and analytical standards. Minor amounts were used in specialty lighting and semiconductors. Production. In 2000, one mining operation in California accounted for all domestic mine production of rare earths.Read More
China's Continuing Monopoly Over Rare Earth Minerals | At the ...
Apr 2, 2013 ... Workers drive trucks at a coal mine in Huo Lin Guo Le, China. (Gou Yige/AFP/Getty Images). What if there were rare minerals so valuable to many of the United States' most advanced weapons systems that their disappearance from the marketplace could threaten America's national security interests—and...Read More
Mine Planning and Equipment Selection Supply Chain of Rare Earth ...
Abstract. Thousands of electronics, aerospace, military, automotive, cleantech and renewable energy technologies rely on a range of rare earth elements (REEs) because of their unique physicochemical properties. Given their relative abundance in the earth's crust, however, they seldom occur in concentrated forms in...Read More
The dark side of renewable energy — Earth Journalism Network
The dark side of renewable energy. Facebook Tweet Google + LinkedIn Pinterest Email. By Liu Hongqiao, 25 August 2016. chinadialogue, Ganzhou, China. Renewable energy · Mining · China · Rare Earth Metals · Pollution. Rare earth metals, hard-to-find materials, with unfamiliar names such as lanthanum, neodymium...Read More