02336oam 2200565 450 991070980040332120180614100045.0(CKB)5470000002472237(OCoLC)896811241(OCoLC)995470000002472237(EXLCZ)99547000000247223720141123d1988 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierPetrology and physiographic evolution of the Ocate volcanic field, north-central New Mexico /by J.M. O'Neill and H.H. MenhertWashington :Department of the Interior, U.S. Geological Survey,1988.1 online resource (x, various pagings) illustrations, maps +1 plateU.S. Geological Survey professional paper ;1478-A-BTitle from title screen (viewed October 16, 2014).Includes bibliographical references.Pt. A. The Ocate volcanic field--description of volcanic vents and the geochronology, petrography, and whole-rock chemistry of associated flows / by J. Michael O'Neill and Harald H. Mehnert -- Pt. B. Late Cenozoic physiographic evolution of the Ocate volcanic field / by J. Michael O'Neill.Volcanic ash, tuff, etcSangre de Cristo Mountains (Colo. and N.M.)Volcanic ash, tuff, etcNew MexicoGeology, StratigraphicCenozoicCenozoic Geologic PeriodfastGeology, StratigraphicfastVolcanic ash, tuff, etcfastNew MexicofastUnited StatesSangre de Cristo MountainsfastVolcanic ash, tuff, etc.Volcanic ash, tuff, etc.Geology, StratigraphicCenozoic Geologic Period.Geology, Stratigraphic.Volcanic ash, tuff, etc.O'Neill J. Michael1412719Mehnert Harald H.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910709800403321Petrology and physiographic evolution of the Ocate volcanic field, north-central New Mexico3514468UNINA