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Exhumation of the Western Cyclades: A Thermochronometric Investigation of Serifos, Aegean Region (Greece)

Vogel, Heidi A.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1251392586

Abstract Details

2009, Master of Science (MS), Ohio University, Geological Sciences (Arts and Sciences).
The western Cycladic island of Serifos (Aegean region, Greece) is an exhumed Aegean metamorphic core complex (MCC) exposing greenschist- to lower amphibolite-facies metamorphic rocks cross-cut by two separate magmatic intrusions: an older, S-type mylonitic orthogneiss that syn-kinematically intruded into a mid-crustal shear zone; and a younger, undeformed I-type granodiorite that intruded post-kinematically into shallow crust. Thermochronometric constraints presented here elucidate the timing of cooling and exhumation of the MCC through mid-crustal levels. 40Ar/39Ar thermochronology performed on white micas reveal two distinct cooling age populations: (1) metamorphic rocks of the Cycladic Blueschist Unit (CBU) yielded 35-28 Ma cooling ages; and (2) rocks from within the mylonitic orthogneiss yielded 9-8 Ma cooling ages. These results represent two episodes of exhumation and cooling, commencing in the Early Oligocene with extrusion of the CBU-equivalent rocks and culminating in the Late Miocene with development of an MCC, and indicate rapid multistage exhumation of the western Cyclades.
Gregory Nadon, PhD (Advisor)
Douglas Green, PhD (Committee Member)
Keith Milam, PhD (Committee Member)
69 p.
Geology
40Ar/39Ar thermochronology; exhumation; Aegean; Cyclades; Serifos; metamorphic core complex

Recommended Citations

Citations

  • Vogel, H. A. (2009). Exhumation of the Western Cyclades: A Thermochronometric Investigation of Serifos, Aegean Region (Greece) [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1251392586

    APA Style (7th edition)

  • Vogel, Heidi. Exhumation of the Western Cyclades: A Thermochronometric Investigation of Serifos, Aegean Region (Greece). 2009. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1251392586.

    MLA Style (8th edition)

  • Vogel, Heidi. "Exhumation of the Western Cyclades: A Thermochronometric Investigation of Serifos, Aegean Region (Greece)." Master's thesis, Ohio University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1251392586

    Chicago Manual of Style (17th edition)

ohiou1251392586
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© 2009, all rights reserved.
This open access ETD is published by Ohio University and OhioLINK.