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Observations on Upper Silurian Graptolites

Published online by Cambridge University Press:  01 May 2009

J. R. Earp
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Extract

As a result of a recent controversy not itself directly palaeontological, the graptolite zones of the Ludlow have come in for much implied criticism (e.g. Jones, 1937, p. 280). Unless this criticism is faced, the well-known zonal work of E. M. R. Wood (1900) will sooner or later fall into disrepute, and a considerable volume of stratigraphical work on the Upper Silurian of North Wales will likewise share this fate.

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Type
Articles
Information
Geological Magazine , Volume 81 , Issue 4 , August 1944, pp. 181 - 185
Copyright
Copyright © Cambridge University Press 1944

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References

BIBLIOGRAPHY

Earp, J. R., 1938. “The Higher Silurian Rocks of the Kerry District, Montgomeryshire,” Quart. Journ. Geol. Soc., xciv, 125.CrossRefGoogle Scholar
Jones, O. T., 1937. “On the Sliding or Slumping of Sub-marine Sediments in Denbighshire, North Wales, during the Ludlow Period,” Quart. Journ. Geol. Soc., xciii, 241.Google Scholar
Straw, S. H., 1937. “The Higher Ludlovian Rocks of the Builth District,” Quart. Journ. Geol. Soc., xciii, 406.CrossRefGoogle Scholar
Watney, G. R., and Welch, E. G., 1911. “On the Salopian Rocks of Cautley and Ravenstonedale,” Quart. Journ. Geol. Soc., lxvii, 215.Google Scholar
Wood, E. M. R., 1900. “On the Ludlow Formation and its Graptolite Fauna,” Quart. Journ. Geol. Soc., lvi, 415.CrossRefGoogle Scholar