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[null,"1.","Record Nr.",null,"UNINA9910709678203321"]
[null,null,"Autore",null,"Harlan Stephen S."]
[null,null,"Titolo",null,"Paleomagnetic and ⁴°Ar/³⁹Ar geochronologic data from Late Proterozoic mafic dikes and sills, Montana and Wyoming / / by Stephen S. Harlan, John Wm. Geissman, and Lawrence W. Snee"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : United States Government Printing Office, , 1997"]
[null,null,"Descrizione fisica",null,"1 online resource (16 pages) : illustrations, maps"]
[null,null,"Collana",null,"U.S. Geological Survey professional paper ; ; 1580"]
[null,null,"Soggetti",null,"Geology, Stratigraphic - Proterozoic"]
[{"$nulls":4},"Geochronometry - Montana"]
[{"$nulls":4},"Geochronometry - Wyoming"]
[{"$nulls":4},"Sills (Geology) - Montana"]
[{"$nulls":4},"Dikes (Geology) - Wyoming"]
[{"$nulls":4},"Dikes (Geology)"]
[{"$nulls":4},"Geochronometry"]
[{"$nulls":4},"Geology, Stratigraphic"]
[{"$nulls":4},"Proterozoic Geologic Period"]
[{"$nulls":4},"Sills (Geology)"]
[{"$nulls":4},"Montana"]
[{"$nulls":4},"Wyoming"]
[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","\"Paleomagnetic and 40Ar/39Ar results from mafic dikes and sills in northwestern Wyoming and western Montana indicate that they were emplaced during a regional magmatic event at 780 to 770 Ma.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 14-16)."]