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008181129s2018 ||| | | | eng d
020 ▼a 9780438125100
035 ▼a (MiAaPQ)AAI10902911
035 ▼a (MiAaPQ)umichrackham:001255
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 248032
0491 ▼f DP
0820 ▼a 628
1001 ▼a Pu, Xiaofei.
24510 ▼a New Constraints on Temperature, Oxygen Fugacity and H 2O of Subduction Zone Basalts Based on Olivine-Melt Equilibrium.
260 ▼a [S.l.] : ▼b University of Michigan., ▼c 2018
260 1 ▼a Ann Arbor : ▼b ProQuest Dissertations & Theses, ▼c 2018
300 ▼a 516 p.
500 ▼a Source: Dissertation Abstracts International, Volume: 79-12(E), Section: B.
500 ▼a Adviser: Rebecca Ann Lange.
5021 ▼a Thesis (Ph.D.)--University of Michigan, 2018.
520 ▼a Erupted basalts are windows into the deep Earth. This dissertation provides evidence that mantle-derived basalts grow their phenocrysts during rapid ascent to the surface, and that the most Mg-rich olivine in erupted samples approximates the fir
520 ▼a Chapter II develops a new olivine-melt thermometer based on the partitioning of Ni (DNiol/liq), and provides evidence that it is far less sensitive to the effects of pressure and dissolved H2O in the melt than DMgol/liq, which is the basis of mo
520 ▼a Chapter III investigates the sensitivity of DNiol/liq to dissolved H2O in basaltic melts through a series of olivine-melt equilibrium experiments. Four 1-bar experiments, one anhydrous experiment at 0.5 GPa, and five hydrous experiments at 0.5
520 ▼a Chapter IV applies the new Ni-based olivine-melt thermometer developed and tested in Chapter II and III to a set of mantle-derived, high-K melts that erupted within the Colima rift in western Mexico, where a mid-ocean spreading ridge is interact
520 ▼a Chapter V investigates the cause of the relatively high oxygen fugacity (fO2) of the pristine K-rich Colima lavas (Chapter IV). The pre-eruptive oxidation state (Fe3+/Fe2+ ratio), derived from olivine-melt Fe2+-Mg exchange equilibrium, indicate
590 ▼a School code: 0127.
650 4 ▼a Environmental science.
690 ▼a 0768
71020 ▼a University of Michigan. ▼b Earth and Environmental Sciences.
7730 ▼t Dissertation Abstracts International ▼g 79-12B(E).
773 ▼t Dissertation Abstract International
790 ▼a 0127
791 ▼a Ph.D.
792 ▼a 2018
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15000423 ▼n KERIS
980 ▼a 201812 ▼f 2019
990 ▼a 관리자 ▼b 관리자