Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia
This item is only available electronically. Many regional disconformities or 'sequence boundaries' have now been identified throughout the late Proterozoic Wilpena sediments of the Adelaide Geosyncline, South Australia. The most prominent of these appears near the base of the Wonoka Format...
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ftunivadelaidedl:oai:digital.library.adelaide.edu.au:2440/131148 2023-05-15T13:51:54+02:00 Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia Meredith, K. School of Physical Sciences Adelaide Geosyncline, Flinders Ranges, South Australia 1997 application/pdf http://hdl.handle.net/2440/131148 en eng http://hdl.handle.net/2440/131148 Honours Geology Late Proterozoic stratigraphy Wonoka Formation canyons sedimentary environment structural deformation Thesis 1997 ftunivadelaidedl 2023-02-05T19:36:37Z This item is only available electronically. Many regional disconformities or 'sequence boundaries' have now been identified throughout the late Proterozoic Wilpena sediments of the Adelaide Geosyncline, South Australia. The most prominent of these appears near the base of the Wonoka Formation and has been related to the formation of incised valleys or 'canyons'. Early interpretations of these canyons suggested they were of submarine origin, cut and filled in a deepwater environment. However, more recent work has focused on a subaerial model whereby the incisions were cut fluvially. Work was carried out on the Waukarie Creek Canyon Complex in the Southern Flinders Ranges. Observations gained from field mapping tend to favour a subaerial origin for canyon development. Some localities were found that provide evidence that there was some tectonic activity, expressed by deformation of sediments, prior to the formation of the Wonoka canyons. Palaeocurrents from flute casts and current ripples show that numerous reversals were found throughout the canyon, substantiating a tectonic influence on the formation of the canyons. This activity may be approximately coeval with the Beardmore Orogeny of Antarctica. The compressional Cambro-Ordovician Delamerian Orogeny subsequently deformed the sedimentary prism in a complex array of north-south trending tight folds and reverse faults. Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 1997 Thesis Antarc* Antarctica The University of Adelaide: Digital Library Beardmore ENVELOPE(174.900,174.900,-83.350,-83.350) Flinders ENVELOPE(-66.667,-66.667,-69.267,-69.267) |
institution |
Open Polar |
collection |
The University of Adelaide: Digital Library |
op_collection_id |
ftunivadelaidedl |
language |
English |
topic |
Honours Geology Late Proterozoic stratigraphy Wonoka Formation canyons sedimentary environment structural deformation |
spellingShingle |
Honours Geology Late Proterozoic stratigraphy Wonoka Formation canyons sedimentary environment structural deformation Meredith, K. Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia |
topic_facet |
Honours Geology Late Proterozoic stratigraphy Wonoka Formation canyons sedimentary environment structural deformation |
description |
This item is only available electronically. Many regional disconformities or 'sequence boundaries' have now been identified throughout the late Proterozoic Wilpena sediments of the Adelaide Geosyncline, South Australia. The most prominent of these appears near the base of the Wonoka Formation and has been related to the formation of incised valleys or 'canyons'. Early interpretations of these canyons suggested they were of submarine origin, cut and filled in a deepwater environment. However, more recent work has focused on a subaerial model whereby the incisions were cut fluvially. Work was carried out on the Waukarie Creek Canyon Complex in the Southern Flinders Ranges. Observations gained from field mapping tend to favour a subaerial origin for canyon development. Some localities were found that provide evidence that there was some tectonic activity, expressed by deformation of sediments, prior to the formation of the Wonoka canyons. Palaeocurrents from flute casts and current ripples show that numerous reversals were found throughout the canyon, substantiating a tectonic influence on the formation of the canyons. This activity may be approximately coeval with the Beardmore Orogeny of Antarctica. The compressional Cambro-Ordovician Delamerian Orogeny subsequently deformed the sedimentary prism in a complex array of north-south trending tight folds and reverse faults. Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 1997 |
author2 |
School of Physical Sciences |
format |
Thesis |
author |
Meredith, K. |
author_facet |
Meredith, K. |
author_sort |
Meredith, K. |
title |
Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia |
title_short |
Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia |
title_full |
Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia |
title_fullStr |
Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia |
title_full_unstemmed |
Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia |
title_sort |
geological history of the waukarie creek canyon complex, southern flinders ranges, south australia |
publishDate |
1997 |
url |
http://hdl.handle.net/2440/131148 |
op_coverage |
Adelaide Geosyncline, Flinders Ranges, South Australia |
long_lat |
ENVELOPE(174.900,174.900,-83.350,-83.350) ENVELOPE(-66.667,-66.667,-69.267,-69.267) |
geographic |
Beardmore Flinders |
geographic_facet |
Beardmore Flinders |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
http://hdl.handle.net/2440/131148 |
_version_ |
1766255949137313792 |