01933oam 2200577 450 991070402330332120151103142037.0(CKB)5470000002437424(OCoLC)889723525(EXLCZ)99547000000243742420140901d1984 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeochemical features and ⁴⁰Ar/³⁹Ar age of tholeiitic and mafic-alkalic dikes in Aroostook County, northeastern Maine /by David Gottfried [and three others][Reston, Va.] :Department of the Interior, U.S. Geological Survey,1984.[Washington, D.C.] :United States Government Printing Office.1 online resource (iii, 23 pages) illustrationsU.S. Geological Survey bulletin ;1612Title from title screen (viewed Aug. 28, 2014).Includes bibliographical references (pages 22-23).BasaltMaineAroostook CountyDikes (Geology)MaineAroostook CountyGeochemistryMaineAroostook CountyGeological timeBasaltfastDikes (Geology)fastGeochemistryfastGeological timefastMaineAroostook CountyfastBasaltDikes (Geology)GeochemistryGeological time.Basalt.Dikes (Geology)Geochemistry.Geological time.Gottfried David1398152Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704023303321Geochemical features and ⁴⁰Ar3460940UNINA