01902nam 2200409 a 450 991070092420332120111018084208.0(CKB)5470000002413788(OCoLC)757512237(EXLCZ)99547000000241378820111018d2011 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierRare earth element mineralogy, geochemistry, and preliminary resource assessment of the Khanneshin carbonatite complex, Helmand Province, Afghanistan[electronic resource] /Robert D. Tucker ... [and others] ; prepared in cooperation with the Task Force for Business and Stability Operations, under the auspices of the U.S. Department of Defense and the Afghanistan Geological SurveyReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2011.1 online resource (v, 51 pages) illustrations (chiefly color), maps (chiefly color)Open-file report ;2011-1207USGS Afghanistan project product ;no. 200Title from title screen (viewed on Oct. 18, 2011).Includes bibliographical references (pages 49-51).Rare earth metalsAfghanistanHelmandCarbonatitesAfghanistanHelmandRare earth metalsCarbonatitesTucker Robert D126204Geological Survey (U.S.)U.S. Task Force for Business and Stability Operations.Afghanistan.Department of Geological Survey.GPOGPOBOOK9910700924203321Rare earth element mineralogy, geochemistry, and preliminary resource assessment of the Khanneshin carbonatite complex, Helmand Province, Afghanistan3534776UNINA