| http://www.w3.org/ns/prov#value | - ty of this resource.???R??os G??mez reported that requests for authorisation of rare earths exploration have been submitted by companies from Australia and Canada, largely as a result of China???s cuts in export quotas since 2010.In the Sumampa region in southern Santiago del Estero, he told a press conference, ???there are companies exploring for rare earths, and there is a plan to reactivate the
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