Sedimentology and architecture of the Douglas Creek terminal splay, Lake Eyre, central Australia

Autor:	John A. Fisher, Carmen Barbara Elke Krapf, Tobias H. D. Payenberg, Simon C. Lang, Gary Nichols
Rok vydání:	2008
Předmět:	Shore geography geography.geographical_feature_category Stratigraphy Dry lake Trough (geology) Sediment Geology Silt Paleontology Transition zone Facies Sedimentology Geomorphology
Zdroj:	Sedimentology. 55:1915-1930
ISSN:	1365-3091 0037-0746
DOI:	10.1111/j.1365-3091.2008.00974.x
Popis:	Douglas Creek terminal splay, sited on the western shoreline of Lake Eyre North, central Australia, covers a surface area of approximately 4 km2 with a down-system length of 2·5 km from the distributary channels terminus to the splay fringe. Two distributary channels feed two sediment lobes which have amalgamated to form the terminal splay. Three primary facies associations have been identified sub-dividing the creek terminus into distributary channel, proximal and distal splay sections. Proximal splay sediments are characterized by erosionally based, relatively thick (> 100 mm), stacked sheets of coarse to medium sand which commonly display trough and planar cross-bedding, whereas the distal splay is characterized by thin (generally
Databáze:	OpenAIRE
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