Title page for ETD etd-05052008-100519


Type of Document Dissertation
Author Osleger, David Allen
URN etd-05052008-100519
Title CYCLOSTRATIGRAPHY OF LATE CAMBRIAN CYCLIC CARBONATES: AN INTERBASINAL FIELD AND MODELLING STUDY, U.S.A.
Degree PhD
Department Geosciences
Advisory Committee
Advisor Name Title
Read, James Fredrick Committee Chair
Bambach, Richard K. Committee Member
Eriksson, Kenneth A. Committee Member
Gilinsky, Norma L. Committee Member
Glover, Lynn III Committee Member
Keywords
  • Fischer plots
  • subtidal cycles
  • Late Cambrian
Date of Defense 1995-08-01
Availability restricted
Abstract
An interbasinal study of Late Cambrian cyclic carbonate successions in the Appalachian and Cordilleran passive margins, the Texas cratonic

embayment and the southern Oklahoma aulacogen has provided controls on the simultaneous development of peritidal to subtidal meter-scale cycles and

the larger scale depositional sequences on which they are superimposed.

Fining-upward peritidal cycles grade seaward into coarsening-upward, shallow to deep subtidal cycles that form a continuum across the carbonate platforms and are genetically linked to one another by shared lithofacies. Eustacy appears to exert the dominant control on the simultaneous development of peritidal and subtidal cycles on different carbonate platforms. Based on the

recognition of dominant periodicities on power spectra derived from time series of subtidal cycles, high frequency eustatic oscillations may be controlled by Milankovitch astronomical rhythms.

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