Autogenic Processes: Avulsion and Architecture

  • Andrew MiallEmail author
Part of the Springer Geology book series (SPRINGERGEOL)


Fluvial architecture is constructed from channels and floodplains. In Chap. 2 we focused on the formation and classification of channels. In this chapter we discuss the formation of floodplains and the relationships between channels and floodplains. According to Nanson and Croke (1992), floodplains are constructed by six processes: lateral point-bar accretion, overbank vertical accretion, braid channel accretion, oblique accretion, counterpoint accretion, and abandoned channel accretion. Not all of these processes occur in every fluvial system; for example, lateral point-bar accretion and braid channel accretion tend to characterize contrasting fluvial styles, the meandering and braided style, respectively, although as noted earlier, the two processes are not entirely mutually exclusive.


Sand Body Fluvial System Facies Zone Channel Body Crevasse Splay 
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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Department of Earth SciencesUniversity of TorontoTorontoCanada

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