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V.—The Twt Hill Conglomerate and the Base of the Cambrian

Published online by Cambridge University Press:  01 May 2009

R. D. Roberts
R. D. Roberts
Affiliation:
Clare College, Cambridge.
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Extract

A few words of explanation are required to enable those not familiar with the Carnarvon district fully to appreciate the importance of Prof. Bonney's confirmation of the view respecting the age of the Twt Hill conglomerate first put forward by Prof. Hughes, and afterwards advocated by myself. The controversy possesses a general interest, apart from the fact that the stratigraphical position of a certain bed is now fixed, inasmuch as it shows how cautious it is needful to be in dealing with these ancient rocks without the most thorough and careful mapping of the whole area.

Type
Original Articles
Information
Geological Magazine , Volume 9 , Issue 3 , March 1882 , pp. 114 - 118
Copyright
Copyright © Cambridge University Press 1882

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References

page 114 note 1 See GEOL. MAG. 12. 1882, p. 18.Google Scholar

page 114 note 2 See GEOL. MAG. Vol. VIII. 12. II. p. 194 and p. 439.Google Scholar

page 117 note 1 See GEOL. MAG. 12 II. Vol. VII. p. 300.Google Scholar

page 117 note 2 There is no question that these Anglesea conglomerates are Cambrian; for Prof. Hughes has mapped them over the whole area, and found them in some sections to be fossiliferous, and to pass up into fossiliferous sandstones.

page 118 note 1 Geol. Mag. 12. II. Vol. VII. p. 300.Google Scholar

page 118 note 2 Geol. Mag. 12. II. Vol. IX. p. 20.Google Scholar