02023oam 2200517 450 991070703180332120160330071930.0(CKB)5470000002461172(OCoLC)889599940(OCoLC)995470000002461172(EXLCZ)99547000000246117220140829d1989 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierChemical data for flows and feeder dikes of the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho, and their bearing on a petrogenetic model /by Thomas L. Wright, Margaret Mangan, and Donald A. Swanson[Reston, Va.] :Department of the Interior, U.S. Geological Survey,1989.Washington :United States Government Printing Office.1 online resource (iv, 71 pages) illustrations, mapsU.S. Geological Survey Bulletin ;1821Title from title screen (viewed Aug. 20, 2014).Includes bibliographical references.BasaltNorthwest, PacificAnalysisPetrogenesisNorthwest, PacificBasaltAnalysisfastPetrogenesisfastPacific NorthwestfastBasaltAnalysis.PetrogenesisBasaltAnalysis.Petrogenesis.Wright Thomas L(Thomas Llewellyn),1935-1387065Mangan Margaret T.Swanson Donald A(Donald Alan),1938-Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707031803321Chemical data for flows and feeder dikes of the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho, and their bearing on a petrogenetic model3529512UNINA