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Graptolites with Associated Sedimentary Grooving

Published online by Cambridge University Press:  01 May 2009

J. D. D. Smith
J. D. D. Smith
Affiliation:
Geological Survey and Museum, Exhibition Road, London, S.W. 7.
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Abstract

Two graptolites with associated grooving in the sediment are recorded; these structures are thought to be caused by the thecae grooving the sediment during movement of the graptolite by a flow of overlying mud.

Type
Articles
Information
Geological Magazine , Volume 94 , Issue 5 , October 1957 , pp. 425 - 428
Copyright
Copyright © Cambridge University Press 1957

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References

REFERENCES

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