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Rare earths: You can’t build hybrids or wind turbines without them and China is putting the squeeze on supplies

posted on September 11, 2009 at 8:30 am
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Lanthanum. Neodymium. Dysprosium. Terbium.

The words don’t exactly roll off the tongue.

But they’re the names of four of the seventeen rare earth elements. You can’t build a Prius, an accurate missile, or a wind turbine without them.

And thanks to the threat of an export boycott by China, which controls about 95 of the current global supply of rare earth elements, the stocks of the few non-Chinese companies with rare earth mines under construction are some of the hottest stocks on the world’s most speculative stock markets. Great Western Minerals Group (GWMGF), a company developing four rare earth projects, is up 948% to 33 cents a share in 2009. That’s a slug’s performance compared to that of Ucore Uranium (UURAF), a uranium miner now developing a rare-earth mine in southeast Alaska. Shares of Ucore are 4,181% in 2009 to 83 cents a share.

My advice at this point is to stand back and let the rockets cool. The speculators will move on to some other sector fairly soon. Use the time to separate the mining stories from the real mining companies.

Because behind all this speculative smoke and mirrors, there is a global demand and supply story real enough to make a few of these companies very profitable long-term investments.

Here’s the demand and supply story in a nutshell.

In my September 8 post “Batteries, yep good old batteries, are the technology of tomorrow. Here’s how to invest” I explained how the growing need for batteries used in hybrid and electric cars would cause demand for lithium, the key ingredient in the next generation of batteries, to surge from a projected 11,000 metric tons in 2012 to 90,000 metric tons in 2020.

Well, the same need to develop less polluting, more energy efficient cars is driving demand for the rare earth elements. And so is the growing market for wind turbines. And the ever-present market for military guidance and control systems.

Adding a bit of one of the 17 rare earth elements—Nos. 57 to 71 on the periodic table of elements–to a magnet in the engine of an electric or hybrid car increases the power and efficiency of the engine because rare earth magnets are the strongest type of permanent magnets now made. Rare earths improve the color in TV screens and in lasers. You’ll also find rare earth elements in tunable microwave resonators and terbium, one of the rare earth elements is a key ingredient in low energy light bulbs.

And we’re not talking about trace amounts of these elements either. The electric motor in a Toyota Prius uses about two pounds of neodymium in its permanent magnets. Each Prius battery also uses 20 to 30 pounds of another rate earth lanthanum.

Because the magnets in wind turbines are so huge—you need big magnets to maximize the amount of electricity generated from each revolution of the relatively slow-moving blades—these generators need large amounts of rare earth elements. It takes about a ton of neodymium for every one megawatt of generating capacity from wind turbines.

Fortunately, despite their name, rare earth elements aren’t especially rare. They’re found in relatively high concentrations in the earth’s crust with one, cerium, coming in at the 25th most abundant element in the crust.

Global production came to about 140,000 metric tons of refined rare earths in 2008. Compare that to projected lithium production of 11,000 metric tons by 2012.

But supplies of the rare earths that can be profitably mined aren’t distributed evenly across the globe. Partly that’s the luck of the geologic draw. But mostly it’s a function of the huge environmental costs of mining these rare earths. The traditional method has been to bore holes into promising rock formations, pump acid down the holes to dissolve e some of the rare earths, and then pump the slurry into holding ponds for extraction of the rare earths. That extraction leaves behind a lake of water mixed with acid and various and sundry dissolved minerals.

It’s much, much cheaper if a company can get away with spending just about nothing on controlling the resulting water and sludge. The world’s low cost producers of rare earth elements are now not huge and efficient open pit mines but small, completely unregulated mom and pop mining companies in China. (The Chinese government is now trying to force many of these companies out of business. The motive is some combination of a desire to limit environmental damage in China and to exercise greater control over exports. I’d say that the latter dominates.)

Over the last 20 years the accidents of geology and the realities of unequal regulation gradually led to the closure of most of the rare earth mines outside of China. The Mountain Pass, California, mine, the world’s richest proven reserve of rare earths, stopped production in 2002, for example.

Rising demand started to change that picture. Companies such as Lynas (LYSCY) and Arafura Resources (ARAFF) in Australia, Avalon Rare Metals (AVARF), Great Western Minerals Group, Ucore Uranium, and Molycorp Minerals crept back onto the stage with plans to start new mines or resume production from old mines.

It took the Chinese overplaying their hand, however, to turn that modest trend into a speculator’s dream come true. The Chinese, who you’ll remember control about 95% of global production—and about 99% of the production for rare earth metals such as dysprosium and terbium, and 95% of neodymium, started to reduce the amount of rare earth metals that could be exported. This year the plan is to reduce exports further. The Ministry of Industry and Information Technology has cut authorized production targets this year by another 8.1%.

Companies outside China now face the very real possibility not only of paying higher prices but of not being able to buy the raw materials they need at all. (This seems to be a key goal in China’s strategy. By restricting exports, China would force high technology companies that need these rare earths to relocate production to China—accelerating the transfer of intellectual property to Chinese companies. It’s no secret that China wants to create major wind, solar, and hybrid car industries.)

That’s possibility made it possible to raise money to start or restart a rare earth mine outside of China. For example, Chevron (CVX) sold Molycorp Minerals, which it had acquired when it bought Unocal, to a group of private investors that included Goldman Sachs in 2008. Molycorp will need those deep pockets since it has to drain 95 million gallons of water out of the open pit mine and then strip away tons of rock before it can begin mining in 2012. Initially Molycorp will process 1,000 tons of or a day, or enough, the company estimates to produce 20,000 metric tons of rare earth oxides annually.

Two Australian companies, Lynas and Arafura, were relatively close to production until the global financial crisis pulled the financial rug out from under then. A planned bond offering by Lynas failed and Arafura raised less money than it had hoped in its initial public offering.

The Chinese stepped into the gap, buying 25% of Arafura and offering to buy 51.7% of Lynas. That second offer, which would give the Chinese majority control, has sent Australia into a frenzy coming as it does on the heels of the detention in China of four staffers from miner Rio Tinto (RTP) on charges of stealing state secrets. The Australian government has until September 17 to rule on the bid.

In other countries Ucore Uranium is at work on a project in Alaska, Great Western Minerals is working to refurbish the Steenkampskraal mine in South Africa.

Be very careful when you evaluate any of these highly speculative stocks. Great Western Minerals only submitted its application to update the mine’s paper work in April and it is still updating its feasibility study. The risk is very real that some of these projects will never get to actual production.

Why bother? Because Chinese production is projected to reach 160,000 metric tons a year by 2015 or so. That would be up from 139,000 tons in 2008.

But global demand is projected to rise even faster resulting in an annual short fall of 40,000 tons by 2015.

The two companies that I’d be most interested in watching are

Molycorp, should it ever go from a private to public company. The Mountain Pass mine is a huge proven reserve and the group of private investors is solid.

And Lynas, if the deal with China is for something less than majority control.

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2 comments

  • gusspresso24 on 11 September 2009

    excellent article. thanks.

  • viwi on 11 September 2009

    Jim, it is very nice for you to pick up this topic. I think there is still a lot of potential here; however, I am surprised to see most of those rare-earth-metal companies in red.

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