Browsing Scholarly Works by Subject "Miocene"

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  • Cenozoic Stratigraphy of the Owyhee Region, Southeastern Oregon 
    Kittleman, Laurence R.; Green, Arthur R.; Hagood, Allen R.; Johnson, Arvid M.; McMurray, Jay M.; Russell, Robert G.; Weeden, Dennis A. (Museum of Natural History, University of OregonMuseum of Natural History, University of Oregon, 1965-12)
    Late Cenozoic terrestrial sedimentation and volcanism produced more than 6000 ft of complexly interstratified rocks in the Owyhee region, southeastern Oregon. Deposition upon a basement of peripherally exposed Paleozoic ...
  • The early Miocene Cape Blanco flora of coastal Oregon 
    Emerson, Lisa Francis, 1979- (University of Oregon, 2009-09)
    This dissertation establishes the age, depositional environment, composition, and climatic conditions for the Cape Blanco flora. The paleotemperature estimated by the Cape Blanco flora, the Temblor flora of California, and ...
  • Early Miocene Cape Blanco Flora of Oregon 
    Emerson, L.F.; Retallack, G.J.; Hughes, B.G. (Museum of Natural History, University of Oregon, 2022-08)
    Deposition of the shallow marine sandstone of Floras Lake was interrupted by a transient del-taic progradation of redeposited volcanic tuff, which contains the Cape Blanco flora. Dating by 40Ar/39Ar on fresh plagioclase ...
  • Hawk Rim: A Geologic and Paleontological Description of a New Barstovian Locality in Central Oregon 
    McLaughlin, Win (University of Oregon, 2012)
    Hawk Rim represents a new mid-Miocene site in Eastern Oregon. This time period offers a rare chance to observe dramatic climatic changes, such as sudden warming trends. The site is sedimentologically and stratigraphically ...
  • New mammutids (Proboscidea) from the Clarendonian and Hemphillian of Oregon - a survey of Mio-Pliocene mammutids from North America 
    Koenigswald, W. von; Widga, C.; Gohlich, U.B. (Museum of Natural History, University of Oregon, 2023-05)
    A survey of Miocene-Pliocene Mammutidae from North America is provided. Two important but undescribed specimens from Unity (Clarendonian) and Hermiston (Hemphillian) are reported, and a previously described mandible from ...
  • NOTES ON SOME UPPER MIOCENE SHREWS FROM OREGON 
    Hutchison, John Howard (Museum of Natural History, University of OregonMuseum of Natural History, University of Oregon, 1966-03)
    Skull Springs and Quartz Basin, two localities of Barstovian (late Miocene) age in Malheur County, Oregon, have produced relatively abundant jaws and teeth of shrews (family Soricidae Gray). The subfamily Heterosoricinae ...
  • Paleosol Records of Middle Miocene Climate Change 
    Metzger, Christine (University of Oregon, 2013-10-10)
    The middle Miocene thermal maximum (~16 Ma) was a period of global climate unusually warm and wet for the Neogene and is of interest as a paleo-analog for future climate change from anthropogenic global warming. In ...

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