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III.—The Lower Ordovician Rocks of Scandinavia, with a Comparison of British and Scandinavian Tremadoc and Arenig Rocks

Published online by Cambridge University Press:  01 May 2009

William G. Fearnsides
William G. Fearnsides*
Affiliation:
Fellow of Sidney Sussex College, Cambridge.
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Extract

As a worker among the Lower Palæozoic rocks of Wales I have for some years devoted a good deal of time to the study of Tremadoc and Arenig rocks, and in common with others have therefore often wished to check the results attained in that district of great thicknesses and tectonic complication by reference to the thinner and more fossiliferous series of the undisturbed areas of Northern Europe. When, therefore, the Senate of the University of Cambridge granted me the Worts Fund for travelling scholars, and instructed me to study the interrelationships of the Tremadoc and Arenig Series in Scandinavia, I at once took advantage of the opportunity, and spent the months of May, June, and July in hammering over those rocks in the field.

Type
Original Articles
Information
Geological Magazine , Volume 4 , Issue 6 , June 1907 , pp. 257 - 267
Copyright
Copyright © Cambridge University Press 1907

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References

page 259 note 1 See also note on this monograph in Geological Magazine, February, 1907, by W. G. Fearnsides, p. 85.

page 261 note 1 The name ‘ orsten ’ is applied by the Swedes to the highly crystalline bitumenbearing concretions which occur among the Alum Shales. These are the Stiukstein or Stinkkalk of the Germans. They have been formed not long subsequently to the time of the deposition of the shales, and often contain many beautifully preserved fossils.

page 263 note 1 G.F.F.S., November, 1906.

page 263 note 2 Wiman (E2) at Vestanå describes a similar sandstone bed 2·08m. in thickness interlaminated with Dictyonema-bearing shales.

page 265 note 1 J. G. Auderson, “Über cambrische und silurische phosphorit-führende Gesteine aus Schweden”: Bull. Geol. Inst. Upsala, vol. ii (1895).

page 265 note 2 J. G. Anderson: Bull. Geol. lust. Upsala, 1895.

page 266 note 1 Bull. Geol. Inst. Upsala, 1895.