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Geochemical and petrological interpretation of mantle structure beneath the southwest Slave Province, NWTCarbno, Gary Brent 10 September 2013 (has links)
The Drybones Bay kimberlite has offered an opportunity to compare geophysical
observations of the mantle lithosphere beneath the southwest Slave craton with
geochemical and petrological interpretations through mantle xenoliths and xenocrysts.
Coarse-textured garnet and spinel-garnet peridotite xenoliths, and garnet and garnetclinopyroxene
xenocrysts were analyzed for a suite of trace elements. The Ni-in-garnet
geothermometer (Canil, 1999) yielded equilibration temperatures between 850-1200 DC,
and corresponding depths of 90-160 km, assuming a 41m Wm-2 paleogeotherm. This
method estimates the thickness of the southwest Slave craton in the Ordovician at
approximately 160 km, within the stability field of diamond. Trace element analysis
revealed a distinct geochemical anomaly at a depth of approximately 120 km, which
marks the transition from wehrlite to metasomatized wehrlite and lherzolite. This
anomalous depth has been observed in geophysical studies, and has been interpreted as a
structural discontinuity. / Graduate / 0372
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New governments west of the Alleghenies before 1780 (introductory to a study of the organization and admission of new states) /Alden, George Henry, January 1897 (has links)
Thesis (Ph. D.)--University of Wisconsin, 1896 / "Published by authority of law and with the approval of the regents of the University." Includes bibliographical references (p. 71-74). Also issued in print and microfiche.
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Climate and tectonic controls on sedimentation and deformation in the Fiambalá basin of the Southern Puna Plateau, Northwest ArgentinaMcPherson, Heather M., January 2008 (has links)
Thesis (M.S.)--Ohio State University, 2008. / Title from first page of PDF file. Includes bibliographical references (p. 83-91).
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The federal Indian policy in the Pacific Northwest, 1849-1870Coan, Charles F. January 1920 (has links)
Thesis (Ph. D.)--University of California, May 1920. / Typewritten (carbon copy). "Bibliography of authorities cited": p. 452-463.
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The states of the Old Northwest and the tariff, 1865-1888Miller, Clarence Lee, January 1929 (has links)
Thesis (Ph. D.)--Columbia University, 1929. / Vita. Includes index. Bibliography: p. [185]-189.
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The states of the Old Northwest and the tariff, 1865-1888Miller, Clarence Lee, January 1929 (has links)
Thesis (Ph. D.)--Columbia University, 1929. / Vita. Includes index. Bibliography: p. [185]-189.
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On sacred ground : the landscape literature of the Pacific Northwest /O'Connell, Nicholas. January 1996 (has links)
Thesis (Ph. D.)--University of Washington, 1996. / Vita. Includes bibliographical references (leaves [195]-200).
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A study of the seasonal variation in temperature and salinity along the Oregon-Northern California coastBourke, Robert H. January 1972 (has links)
Thesis (Ph. D.)--Oregon State University, 1972. / Includes bibliographical references (leaves 104-107).
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Satellite and aerial imaging in characterization, hydrologic analysis and modeling of inland watersheds and streamsTeasdale, Gregg N. January 2005 (has links) (PDF)
Thesis (Ph.D. in civil engineering)--Washington State University, December 2005. / Includes bibliographical references.
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The vegetation of the Ennadai Lake Area, N.W.T. studies in subarctic and arctic bioclimatology.Larsen, James Arthur. January 1968 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1968. / Vita. Thesis consists entirely of an article reprinted from Ecological monographs 35 : 37-59. Winter, 1965. [Madison] Department of Meteorology, University of Wisconsin, 1965. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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