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[null,"1.","Record Nr.",null,"UNINA9910706963903321"]
[null,null,"Autore",null,"Schmidt Robert Gordon <1924->"]
[null,null,"Titolo",null,"The potential for porphyry copper-molybdenum deposits in the Eastern United States : a descriptive resumé of deposits of the porphyry type and an evaluation of potential areas for discovery of new deposits / / by Robert Gordon Schmidt"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : United States Department of the Interior, Geological Survey, , 1978"]
[null,null,"Descrizione fisica",null,"1 online resource (v, E31 pages) : illustrations, maps"]
[null,null,"Collana",null,"Geological Survey professional paper ; ; 907E"]
[null,null,"Soggetti",null,"Copper ores - United States"]
[{"$nulls":4},"Molybdenum ores - United States"]
[{"$nulls":4},"Porphyry - United States"]
[{"$nulls":4},"Copper ores"]
[{"$nulls":4},"Molybdenum ores"]
[{"$nulls":4},"United States"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from title screen (viewed October 6, 2014)."]
[{"$nulls":4},"\"A descriptive resume of deposits of the porphyry type and an evaluation of potential areas for discovery of new deposits.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages E29-E31)."]