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Planar Cross-Stratification Formed by the Lateral Migration of Shallow Streams

Planar Cross-Stratification Formed by the Lateral Migration of Shallow Streams

Authors :
George E. Williams
Source :
SEPM Journal of Sedimentary Research. 36
Publication Year :
1966
Publisher :
Society for Sedimentary Geology, 1966.

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.

Details

ISSN :
15271404
Volume :
36
Database :
OpenAIRE
Journal :
SEPM Journal of Sedimentary Research
Accession number :
edsair.doi...........d8a8a33c21e4aabf0f761dd9ba5618f4
Full Text :
https://doi.org/10.1306/74d7155a-2b21-11d7-8648000102c1865d