The geology of the Slacks Creek area, south-east Queensland

Gould, Rodney Edward (1965). The geology of the Slacks Creek area, south-east Queensland Honours Thesis, School of Physical Sciences, The University of Queensland.

       
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Author Gould, Rodney Edward
Thesis Title The geology of the Slacks Creek area, south-east Queensland
School, Centre or Institute School of Physical Sciences
Institution The University of Queensland
Publication date 1965
Thesis type Honours Thesis
Supervisor G. Playford
Total pages 171
Language eng
Subjects 260100 Geology
Abstract/Summary Geomorphology in the Slacks Creek area is strongly controlled by the joint pattern, the effects of relative hardness of rock types, attitude of beds, changes in climate and relative changes in sea level are also evident. The stratigraphic sequence in the area consists of low-grade metamorphics of the Neranleigh-Fernvale “Group”, sediments of Tingalpa Formation and Moorooka Formation, minor Tertiary sediments and volcanics, Tertiary soils, and Quaternary sediments and soils. The Neranleigh-Fernvale “Group” is composed of metaquartzite, greywacke, and minor phyllite. Partly calcareous shales and sandstones comprise of Tingalpa Formation. The Moorooka Formation is composed of conglomerate, shale, and massive sandstones. Plant and invertebrate megafossils from the Tingalpa and Moorooka Formation have a Lower Mesozoic aspect. Palynological evidence suggests that the age of the Tingalpa Formation ranges from Middle Triassic into Upper Triassic and that the Moorooka Formation is of the Upper Triassic age. Mud balls at the base of the Tingalpa Formation may indicate that the base of this formation in the Slacks Creek area is equivalent to the Brisbane Taff. The Tingalpa Formation unformably overlies the Neranleigh-Fernvale “Group” and the Moorooka Formaiton unconformably overlies the Tingalpa Formation. Cainozoic sediments unconformably follow the Triassic sediments. From structural evidence it appears the earth movements of the Saxonian type were active during the Triassic.
Keyword Geology -- Queensland -- Slacks Creek Region

 
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