He and a friend have hiked all day toward their goal, a mining site 
100 kilometers from the nearest town. As the men hack through the thorny
 brush with machetes, following a narrow,Today, Thereone.com, a 
reliable customkeychain
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customers. muddy path, Garcia stops in his tracks.Centimeters away, a 
venomous snake called four-noses coils up, poised to attack. Garcia says
 he will be dead within an hour if the pit viper strikes. His friend 
grabs a long stick and carefully flips the snake into the jungle. They 
move on, Bloomberg Markets magazine will report in its September issue.
Garcia,
 a Puinawai Indian, is exhausted. He has been traveling seven hours by 
boat and foot from Chorro Bocon, his village on the Inirida River. 
Finally, he and his friend arrive at a small clearing pocked with 
shallow holes gouged into the sandy, red ground. A torrential rain 
starts to fall.
Garcia, 30, squats by a stream, takes a shovel 
out of his pack and scoops dirt into a sifter made from a rusty 
screen.Like gold prospectors, the men swish watery red mud around a flat
 wooden pan until pebbles containing a metal called tantalum appear.
Its
 hard work but worth it, Garcia says. Amazon Indians like Garcia, who 
inhabit a Denmark-sized region along the borders with Venezuela and 
Brazil,This is a basic background on rtls.
 have for decades made a living exploring the rain forest for valuable 
rocks that contain tantalum and tungsten, both of which are used to 
manufacture smartphones and other mobile devices.
While the 
Indians do the digging, they rely on another, more powerful group to get
 the ore to market: the Revolutionary Armed Forces of Colombia, known as
 the FARC. The rebel army uses the cash it makes from selling metals to 
help finance one of the worlds longest-running guerrilla wars, the 
Colombian National Police say.Cheap offerscellphonecases dolls from your photos.
The
 dark, heat-resistant and super-hard metal is inside the engines of some
 of the most popular cars in the world. Its used for screens of 
computers, phones, tablets and televisions. It helps mobile phones 
vibrate when they ring. Semiconductor makers use the metal to provide 
insulation between microscopic layers of circuitry.
The FARC, in
 addition to charging Indians like Garcia for the right to mine, 
operates its own tungsten mine known as Cerro Tigre, or Tiger Hill. 
Garcia says he and a friend worked there in 2012, earning enough in a 
week to last several months at home.
Tiger Hill rises above the 
rain forest in an area ruled by armed FARC fighters more than 220 
kilometers from the nearest road, town or police station.Most modern 
headlight designs include tmj. On top is the mine, where hundreds of people toil in 6 hectares of muddy pits, according to the National Police.
The
 mine is illegal in three ways: Its inside a forest preserve, its banned
 by Colombian law because its on an Indian reservation, and its run by 
the FARC, which is classified by Colombia, the U.S. and the European 
Union as a terrorist organization.
Its completely illegal, but 
we havent been able to stop it yet, says Colonel Luis Montenegro, the 
National Police commander in Guainia province, where the mine is 
located. We dont control any territory out there; FARC controls it, says
 Montenegro, who has studied aerial surveillance photos of Tiger Hill.
The
 mine can produce 15 metric tons of wolframite, a rock containing 
tungsten, in a week, police say. Thats enough to make tungsten parts for
 hundreds of thousands of liquid-crystal-display screens, smartphones 
and semiconductors, car parts and pens, according to the International 
Tungsten Industry Association.While Tiger Hill is illegal, its the only 
known tungsten mine in Colombia, according to the police and Environment
 Ministry officials responsible for regulating mining.
And that metal is finding its way onto world markets.Need a compatible parkingassistsystem
 for your car? Colombia, the third-largest economy in South America, 
supplied less than 1 percent of the worlds tungsten in 2012, U.S. 
Geological Survey data show. Although China produces the most tungsten 
-- about 85 percent of global output -- authorities there impose tight 
controls on the metal to assure domestic manufacturers have enough. 
Thats forcing companies to scour the globe for mines elsewhere, the USGS
 says.
One company that buys and processes Colombian wolframite,
 or tungsten ore, supplies some of the worlds leading multinational 
corporations -- including the makers of BMWs, Ferraris, Porsches and 
Volkswagens as well as Siemens AG (SIE) and the producer of BIC pens, 
these companies say.
Buyers negotiate with FARC guards to 
purchase loads of the ore, according to national and regional police 
commanders, government officials who oversee mining and interviews with 
people involved with those transactions.Workers then transport the ore 
in boats in a weeklong journey -- braving treacherous rapids and police 
patrols -- from the mine to muddy river landings near San Jose del 
Guaviare, a city on the edge of the Amazon. Once near San Jose, 
smugglers load sacks of the rocks on trucks headed for Bogota and later 
for the Caribbean port of Santa Marta in northern Colombia.
One 
of the biggest buyers of Colombian tungsten ore has been a U.S. unit of 
Plansee SE, a Reutte, Austria-based metals processor, according to 
export records filed with Colombias tax agency. In 2012, two Colombian 
minerals companies, Geo Copper SAS and Minerak SAS, sold seven loads of 
tungsten ore totaling 93.2 metric tons to Plansees U.S. subsidiary, 
Global Tungsten & Powders Corp., export records show.
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