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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Planar Cross-Stratification Formed by the Lateral Migration of Shallow Streams
George E. Williams
ABSTRACT
Planar-tabular cross-stratified sets in the Torridonian sandstones (Precambrian) of northwest Scotland are described whose cross-strata are inclined at wide angles to local paleocurrent directions. Sedimentary structures within the sets suggest that they formed on the point bars of shallow streams. A braided stream environment seems likely, although similar structures have not as yet been observed in the deposits of modern braided streams. The preferred direction of migration of streams could be of great paleogeographic significance.
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