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TheNanlingregionisoncofthcmostimportantpartsofthewcstPacificmetallogeniczone,andaworld-famousconcentratedregionofnon-ferreousmetals,raremetalsandrarecarthelenlentsorede-posits.Formationofalargeamountofmctallicorcdepositsinthcregionisconccntratedinthcdiwas