dc.contributor.advisor	Wickens, H. de V.	en_ZA
dc.contributor.advisor	Hodgson, D. M.	en_ZA
dc.contributor.author	Neethling, J. M.	en_ZA
dc.contributor.other	University of Stellenbosch. Faculty of Science. Dept. of Earth Sciences.
dc.date.accessioned	2009-02-17T10:23:25Z	en_ZA
dc.date.accessioned	2010-06-01T08:44:25Z
dc.date.available	2009-02-17T10:23:25Z	en_ZA
dc.date.available	2010-06-01T08:44:25Z
dc.date.issued	2009-03	en_ZA
dc.description	Thesis (MSc (Earth Sciences))--University of Stellenbosch, 2009.	en_ZA
dc.description.abstract	Fan 3 is one of four basin-floor fans that form part of the Tanqua Karoo Fan Complex in South Africa. It can be subdivided into several sandstone lobes, based on the presence of thin-bedded siltstone intervals above and below major sandstone packages. Six lobes are identified in the mid fan section, as well as two older groups of thin, low-volume turbidite deposits at the base. Some of the lobes are further divided into an upper and lower lobe-element based on depositional behaviour. The volumetrically and spatially larger lobes have a finger-like appearance in plan view, which is attributed to multiple lobe-scale axial zones. This is especially visible towards the eastern margins of Lobes 2, 4 and 5. The stratigraphy and facies distribution are presented on several 2D panels. Computer generated isopach maps are presented for each lobe, lobe-element and interlobe unit. Autogenic control on the depositional pattern of the Fan 3 lobe complex was inferred from the palaeoflow patterns of the composing lobes and lobe-elements. The majority of the lobes show a north-eastern palaeoflow direction in the south, with a gradual westward shift in the north. Inferred controls are basin-floor topography, the presence of pre-existing lobes, and characteristics of the depositional flow, such strength, density, sediment load, palaeoflow direction.	en_ZA
dc.identifier.uri	http://hdl.handle.net/10019.1/2249
dc.language.iso	en	en_ZA
dc.publisher	Stellenbosch : University of Stellenbosch
dc.rights.holder	University of Stellenbosch
dc.subject	Lobes	en_ZA
dc.subject	Axial zones	en_ZA
dc.subject	Finger-shaped deposits	en_ZA
dc.subject	Dissertations -- Geology	en
dc.subject	Theses -- Geology	en
dc.subject.lcsh	Formations (Geology) -- South Africa.	en_ZA
dc.subject.lcsh	Geology, Stratigraphic	en_ZA
dc.subject.lcsh	Submarine fans -- South Africa	en_ZA
dc.title	Stratigraphic evolution and characteristics of lobes : a high-resolution study of Fan 3, Tanqua Karoo, South Africa	en_ZA
dc.type	Thesis	en_ZA

Stratigraphic evolution and characteristics of lobes : a high-resolution study of Fan 3, Tanqua Karoo, South Africa

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