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You searched for subject:(Avulsion deposits). Showing records 1 – 2 of 2 total matches.

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Royal Holloway, University of London

1. Kulikova, Anna. Architecture of distributive fluvial system deposits : quantitative characterisation and implications to reservoir modelling.

Degree: PhD, 2013, Royal Holloway, University of London

Distributive fluvial systems (DFS) have been recently recognised to form a significant proportion of the deposits of modern sedimentary basins. The deposits of ancient DFSs can be preserved in the stratigraphic record and form hydrocarbon reservoirs. Few detailed studies of this type of fluvial systems have been made and facies models for DFSs are incomplete; furthermore sandstone body architecture, crucial for reservoir characterisation, and its controls are poorly understood. This research provides detailed sedimentological and quantitative descriptions of the architecture of two outcrop examples of DFS successions: the Miocene Huesca DFS in Northern Spain and the Jurassic Salt Wash DFS in USA. A detailed fluvial architecture analysis has made it possible to develop unified facies and sandstone body classifications, and to quantify downstream trends in facies and sandstone body architecture. This quantitative outcrop data can potentially be used to characterise DFS deposits in the subsurface. Detailed sedimentological analysis of heterolithic overbank deposits of the Huesca DFS succession revealed that splay progradation was an important avulsion style, but statistical analysis showed no evidence of cyclicity in these deposits. Numerical object modelling was used to investigate controls on the sandstone body architecture. Implications of these studies to reservoir modelling are discussed.

Subjects/Keywords: Distributive fluvial systems; Sandstone body architecture; Avulsion deposits; Numerical modelling; Markov chain analysis

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APA (6th Edition):

Kulikova, A. (2013). Architecture of distributive fluvial system deposits : quantitative characterisation and implications to reservoir modelling. (Doctoral Dissertation). Royal Holloway, University of London. Retrieved from https://pure.royalholloway.ac.uk/portal/en/publications/architecture-of-distributive-fluvial-system-deposits-quantitative-characterisation-and-implications-to-reservoir-modelling(e20c773c-6a81-462e-96c1-25b26a1bba07).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.792147

Chicago Manual of Style (16th Edition):

Kulikova, Anna. “Architecture of distributive fluvial system deposits : quantitative characterisation and implications to reservoir modelling.” 2013. Doctoral Dissertation, Royal Holloway, University of London. Accessed November 28, 2020. https://pure.royalholloway.ac.uk/portal/en/publications/architecture-of-distributive-fluvial-system-deposits-quantitative-characterisation-and-implications-to-reservoir-modelling(e20c773c-6a81-462e-96c1-25b26a1bba07).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.792147.

MLA Handbook (7th Edition):

Kulikova, Anna. “Architecture of distributive fluvial system deposits : quantitative characterisation and implications to reservoir modelling.” 2013. Web. 28 Nov 2020.

Vancouver:

Kulikova A. Architecture of distributive fluvial system deposits : quantitative characterisation and implications to reservoir modelling. [Internet] [Doctoral dissertation]. Royal Holloway, University of London; 2013. [cited 2020 Nov 28]. Available from: https://pure.royalholloway.ac.uk/portal/en/publications/architecture-of-distributive-fluvial-system-deposits-quantitative-characterisation-and-implications-to-reservoir-modelling(e20c773c-6a81-462e-96c1-25b26a1bba07).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.792147.

Council of Science Editors:

Kulikova A. Architecture of distributive fluvial system deposits : quantitative characterisation and implications to reservoir modelling. [Doctoral Dissertation]. Royal Holloway, University of London; 2013. Available from: https://pure.royalholloway.ac.uk/portal/en/publications/architecture-of-distributive-fluvial-system-deposits-quantitative-characterisation-and-implications-to-reservoir-modelling(e20c773c-6a81-462e-96c1-25b26a1bba07).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.792147


Colorado School of Mines

2. Sendziak, Kassandra L. Stratigraphic architecture and avulsion deposits of a low net-sand content fluvial succession : Lower Wasatch formation, Uinta Basin.

Degree: MS(M.S.), Geology and Geological Engineering, 2007, Colorado School of Mines

This study documents the stratigraphic architecture of channel and floodplain strata of low net-sand content fluvial deposits in outcrops of the lower Wasatch Formation, Desolation Canyon, Uinta Basin, Utah. The lower Wasatch Formation has a net sand-content of 0.27 and contains predominantly floodplain strata (79% in the field area). Three types of crevasse splays are recognized in this field area based on their physical relationship to adjacent channel-belt strata. Associated coeval splays are laterally adjacent and are physically connected to a channel-belt element, indicating that the crevasse splay was deposited coeval with the channel fill. Unassociated splays are spatially isolated from channel-belt elements and are interpreted to represent a failed avulsion. Associated non-coeval splays underlie the channel-belt element and are interpreted to be genetically related to the overlying channel-belt element, and therefore are a record of a successful avulsion. Three distinct types of associated non-coeval splays are identified in this study area based on physical, observable characteristics: type I, type II, and type III. A conceptual model is proposed that describes longitudinal changes in associated non-coeval splay deposits where type I, type II, and type III splay units represent proximal, medial, and distal positions in splay deposits relative to the source channel, respectively. Decreases in the following characteristics of splays occur with increased distance from the source channel: (1) thickness of splay unit, (2) thickness and abundance of splay beds, (3) net-sand content, (4) grain size, and (5) erosion. The occurrence of floodplain and channel-belt strata in a vertical transect through the outcrop are evaluated to: (1) determine whether the dominant avulsion style is aggradational or incisional, and (2) relate channel story type (i.e. downstream versus lateral accreting) to avulsion style. The correlation between the abundance of splay beds and the abundance of overlying channel-belt elements is interpreted to indicate that the succession resulted from predominantly aggradational avulsion processes. The occurrence of splay beds below channel-belts containing predominantly downstream-accreting stories is interpreted to indicate that these channels resulted from predominantly aggradational avulsion processes. The lack of splay beds below channel-belts containing predominantly lateral-accreting stories is interpreted to indicate that these channels resulted from predominantly incisional avulsion processes. Advisors/Committee Members: Pyles, David R. (advisor), Sarg, J. F. (J. Frederick) (committee member), Bracken, Bryan (committee member), Pranter, Matthew J. (committee member).

Subjects/Keywords: Wasatch formation; Uinta Basin; Statigraphic architecture; Fluvial stratigraphy; Floodplain stratigraphy; Avulsion deposits; Wasatch Formation; Sedimentation and deposition  – Utah; Fluvial geomorphology; Geology, Stratigraphic; Floodplains

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Sendziak, K. L. (2007). Stratigraphic architecture and avulsion deposits of a low net-sand content fluvial succession : Lower Wasatch formation, Uinta Basin. (Masters Thesis). Colorado School of Mines. Retrieved from http://hdl.handle.net/11124/79359

Chicago Manual of Style (16th Edition):

Sendziak, Kassandra L. “Stratigraphic architecture and avulsion deposits of a low net-sand content fluvial succession : Lower Wasatch formation, Uinta Basin.” 2007. Masters Thesis, Colorado School of Mines. Accessed November 28, 2020. http://hdl.handle.net/11124/79359.

MLA Handbook (7th Edition):

Sendziak, Kassandra L. “Stratigraphic architecture and avulsion deposits of a low net-sand content fluvial succession : Lower Wasatch formation, Uinta Basin.” 2007. Web. 28 Nov 2020.

Vancouver:

Sendziak KL. Stratigraphic architecture and avulsion deposits of a low net-sand content fluvial succession : Lower Wasatch formation, Uinta Basin. [Internet] [Masters thesis]. Colorado School of Mines; 2007. [cited 2020 Nov 28]. Available from: http://hdl.handle.net/11124/79359.

Council of Science Editors:

Sendziak KL. Stratigraphic architecture and avulsion deposits of a low net-sand content fluvial succession : Lower Wasatch formation, Uinta Basin. [Masters Thesis]. Colorado School of Mines; 2007. Available from: http://hdl.handle.net/11124/79359

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