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ucin1060891813.pdf (18.51 MB)
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Abstract Header
THE ORIGIN OF ALKALIC BASALTS FROM HALEAKALA VOLCANO, EAST MAUI, HAWAII
Author Info
CRAVEN, KERI
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1060891813
Abstract Details
Year and Degree
2003, MS, University of Cincinnati, Arts and Sciences : Geology.
Abstract
Studies of volcanic rocks from Hawaii reveal that the islands were formed through four distinct stages of volcanism. The origin of alkalic rocks produced during the last stage of development is not completely understood. Alkalic basalts can be generated at both high and low pressures. A new method of constraining pressure-temperature conditions of formation was developed, using the compositions of alkalic rocks from Haleakala Volcano. Initial P-T calculations indicated that the rocks formed from low degrees of melting over a range of pressures in the mantle (polybaric melting). Using a trace element modal melting equation and highly incompatible element concentrations, the degree of melting required to produce the Haleakala alkalic magmas was estimated. The results of these calculations indicate that low degrees of melting in the spinel peridotite zone of the mantle under polybaric conditions was required to produce the Haleakala alkalic basalts.
Committee
Dr. Attila Kilinc (Advisor)
Pages
70 p.
Subject Headings
Geology
Keywords
mantle peridotite melting
;
Magma Generation
;
alkali basalt
;
trace &
;
rare earth elements
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Citations
CRAVEN, K. (2003).
THE ORIGIN OF ALKALIC BASALTS FROM HALEAKALA VOLCANO, EAST MAUI, HAWAII
[Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1060891813
APA Style (7th edition)
CRAVEN, KERI.
THE ORIGIN OF ALKALIC BASALTS FROM HALEAKALA VOLCANO, EAST MAUI, HAWAII.
2003. University of Cincinnati, Master's thesis.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1060891813.
MLA Style (8th edition)
CRAVEN, KERI. "THE ORIGIN OF ALKALIC BASALTS FROM HALEAKALA VOLCANO, EAST MAUI, HAWAII." Master's thesis, University of Cincinnati, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1060891813
Chicago Manual of Style (17th edition)
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Document number:
ucin1060891813
Download Count:
481
Copyright Info
© 2003, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.