Sedimentary, tectonic, and sea-level controls on submarine fan and slope-apron turbidite systems |
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| Authors: | Dorrik A V Stow David G Howell and C Hans Nelson |
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| Institution: | (1) Grant Institute of Geology, University of Edinburgh, Edinburgh, Scotland;(2) U.S. Geological Survey, 345 Middlefield Road, 94025 Menlo Park, CA |
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| Abstract: | To help understand factors that influence submarine fan deposition, we outline some of the principal sedimentary, tectonic,
and sea-level controls involved in deep-water sedimentation, give some data on the rates at which they operate, and evaluate
their probable effects. Three depositional end-member systems, two submarine fan types (elongate and radial), and a third
nonfan, slope-apron system result primarily from variations in sediment type and supply. Tectonic setting and local and global
sea-level changes further modify the nature of fan growth, the distribution of facies, and the resulting vertical stratigraphic
sequences.
Margin setting represents fan and/or source area |
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