Fluvial form in modern continental sedimentary basins: Distributive fluvial systems: Reply

A. J. Hartley*, G. S. Weissmann, G. J. Nichols, L. A. Scuderi

*Corresponding author for this work

Research output: Contribution to journalComment/debatepeer-review

18 Citations (Scopus)


we refer readers to Hartley et al. (2010) and Weissmann et al. (2010b). As noted by Sambrook Smith et al., we avoided discussing marine marginal fl uvial systems. We took this approach because we
wished to focus on sedimentary basins exempt from direct marine infl uence and to remove ambiguity associated with accommodation generated by a marine base-level rise. Sambrook Smith et al. suggest that degradational terrains are preserved in the rock record and discuss a number of examples. We fully acknowledge the importance of incised valley fills
due to sea-level change in the rock record (Weissmann et al., 2010b). It is not clear, however, whether the examples of the ancestral Mississippi and Tertiary of the Gulf Coast, highlighted by Sambrook Smith et al., were distributive or tributive in nature. Valley-fi ll deposits are preserved as the
initial phase of aggradation in these basins; however, we would argue that as the basin fills, the depositional pattern becomes distributive. We also
argue that, with the exception of incised valley fi lls, fl uvial deposits in degradational terrains are very rarely preserved within fluvial basin-fill
successions, and that DFS dominate the rock record.
Original languageEnglish
Pages (from-to)e231-e231
Number of pages1
Issue number12
Publication statusPublished - 1 Dec 2010


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