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  • skep115 skep115 Jan 5, 2013 8:56 AM Flag

    rare earth article ... good read

    The relatively small market for rare earths is one constraint for would-be miners, with the elements used in only small quantities in end products. Global demand of 115,000 tonnes this year is forecast to rise to 200,000-240,000 tonnes by 2020, according to rare earths consultancy Imcoa.

    Depressed equity markets have also put pressure on so-called resources juniors -- the exploration and early stage development companies -- across the sector.

    "For resources juniors, the belief is that as many as 500 small-cap exploration companies will disappear over the next 12 months, unless there is an improvement in their ability to raise equity capital," says Peter Cashin, chief executive of Quest Rare Minerals.

    In trying to pick rare-earth miners with better long-term prospects, investors and analysts are increasingly focusing on projects that target production of the so-called "heavies" -- a rarer subset of the elements.

    In particular, the US Department of Energy has designated five of the 17 rare earths as "critical", with supply deficits expected until 2018.

    Neodymium, a light rare earth, and dysprosium, a heavy, are used in permanent magnets for wind turbines or electric vehicles.

    Europium, terbium and yttrium, all heavies, are used in flatscreen electronics and energy-saving lightbulbs, areas projected to have strong demand growth.

    Molycorp and Lynas look set to satisfy demand for light elements, with room for a third operator, such as Canada's Iamgold, which could quickly start up byproduct production at an existing mine.

    But analysts point to Quest's Strange Lake project in Quebec, as well as projects run by Tasman Metals in Sweden, Matamec Explorations and Avalon Rare Metals in Canada and Alkane Resources in Australia, as those nearest to going in to production of heavy rare earths.

    "Most of the deposits that are richer in the heavy rare earths contain rare-earth-bearing minerals that have never been processed before," notes Mr Hatch at Technology Metals Research. "With enough time and money, companies can eventually find a technical solution. For some of these projects, however, the cost of production could outweigh the value of the material that you produce."

    Also of concern is the extent to which new technology or alternative materials will reduce manufacturers' usage of rare earths -- especially if their prices start to rise again.

    Investors will therefore be looking for companies that can crack the metallurgy of processing heavy rare earths and secure investment or offtake agreements with end users.

    "The difference this time round is that there is increased investor knowledge about the lights versus the heavies and which elements are really critical," says Ms Dennis at Dundee Securities.

    "Investors understand that the end markets for these elements are small and there are more companies available for investment than will be needed by the market at the end of the day."

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