Large scale inclined strata consisting of shale, siltstone, and fine-to-medium sandstone occur directly over the main Liddell Coal Seam and below the Arties Coal Seam in the Foybrook-Liddell-Howick area within the Upper Permian Singleton Coal Measures, Sydney Basin, N.S.W. Results of the study of: the stratigraphic content within which the large scale inclined strata occur; the nature of the external regional form of the crossbed set; the lithology and the internal organization of the inclined strata is presented. A model incorporating the inclined bedding structure as the product of 'mobile differential compaction is seen to be totally inadequate in the light of field evidence and observation. Comparison with and recognition of the characteristic features of 'Gilbert-type delta' deposits indicate that the large scale inclined bedding structure has a primary depositional origin and is, in fact, a set of crossbeds developed by the introduction of sediment-laden waters into a non-marine deltaic environment.
Table of Contents1. Introduction -- 2. Location and geological setting of the study area -- 3. The anomalous bedding structures at Foybrook: generative models and their expectations -- 4. Stratigraphic context of the large scale inclined bedding stuctures in the Foybrook-Liddell-Howick area -- 5. Nature of the inclined bedding structure in the study area -- 6. Generalized summary section -- 7. Interpretation of the inclined strata as products of mobile differential compaction -- 8. Characteristics of delta deposits -- 9. Interpretation of the inclined strata as deposits of a Gilbert-type delta -- 10. An environmental model for the large scale heterolithic crossbeds -- Appendices.
NotesBibliography: p. 140-143
"A thesis submitted in partial fulfilment of the requirements for the Degree of Bachelor of Arts (Honours) in the School of Earth Sciences, Macquarie University, North Ryde".
Awarding InstitutionMacquarie University
Degree TypeThesis bachelor honours
DegreeThesis (BA (Hons)) , Macquarie University
Department, Centre or SchoolSchool of Earth Sciences
Year of Award1976
Principal SupervisorP. J. Conoghan
RightsCopyright disclaimer: http://www.copyright.mq.edu.au/
Copyright C.F.R. Parbury 1976
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JurisdictionNew South Wales
Extent1 online resource (143 p.) ill