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Stratigraphy and Structure of the Southern Myally Block, Mount Isa Inlier, Queensland.

thesis
posted on 2019-08-14, 01:34 authored by Richard Arthur Baston
The oldest sedimentary unit exposed on the southern Myally Block is the 1050m thick Quilalar Formation, which overlies the Kalkadoon Granite and Leichhardt Volcanics. Deposition was in a marine environment. Sea-level variations were responsible for alternating periods of shelf and shoreface conditions during deposition or the lower portion. A decrease in siltstone and an increase in sandy and stromatolitic carbonate in the upper portion represents the establishment of shallower marine or lagoonal conditions. These conditions are laterally extensive, and the formation has therefore been interpreted as a sagphase sequence, deposited after a period of crustal extension. […]

History

Campus location

Australia

Year of Award

1991

Department, School or Centre

Earth, Atmosphere and Environment

Additional Institution or Organisation

Department of Earth Sciences

Course

Master of Science

Degree Type

Masters

Faculty

Faculty of Science

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    Categories

    Keywords

    structural geologyQueenslandMount Isa Inlierstratigraphic analysisEarth Sciences not elsewhere classified

    Licence

    In Copyright

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