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IV.—On the Age of the Gebel Ahmar Sands and Sandstone, the Petrified Forest, and the Associated Lavas between Cairo and Suez

Published online by Cambridge University Press:  01 May 2009

T. Barron
T. Barron
Affiliation:
[Published by permission of the Under-Secretary of State for Public Works, and the Director-General of the Survey Department, Egypt.]
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Extract

The geological age of these beds has been the subject of much speculation by various geologists. In 1845 Orlebar claimed to have found the Gebel Ahmar Sandstone at No. 3 Station on the Old Post Road to Suez, overlying Miocene beds containing Scutella Zitteli. O. Fraas in 1867 imagined he could trace a gradual passage between the Upper Moqattam and these beds, and concluded, therefore, that they were of marine origin and Lower Oligocene age, as they had undergone the same general earth-movements as the Eocene beds.

Type
Original Articles
Information
Geological Magazine , Volume 2 , Issue 2 , February 1905 , pp. 58 - 62
Copyright
Copyright © Cambridge University Press 1905

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References

page 58 note 1 Lynch: “Armenia,” vol. ii, p. 229.

page 58 note 2 “ Some observations on the Geology of the District between Cairo and Suez ”: Journ. Roy. Asiatic Soc., 1845.

page 58 note 3 “Aus dem Orient,” 1867, pp. 157–8.

page 58 note 4 “ Geol. Schichtengliederuug d. Mokattam”: Zeitschr. d. Deutsoh. Geol. Gesells., 1883, p. 719 et seq.

page 59 note 1 Three lectures on the Geology of Egypt, 1891.

page 59 note 2 Bull, de l'lnstitut Egyptien, 1893, pp. 393 et seq.

page 59 note 3 “Etude géol. sur le Gebel Ahmar ” (l'lnstitut Egyptien, December, 1891); and “L'age des Forêts pétrifiées des déserts d'Egypte” (Bull. Soc. Khéd. Géographie, sér. v, No. 2, 1898).

page 59 note 4 “Das Oligoeän”: Zeitschr. d. geolog. Gesells., 1909, pp. 477 and 478.

page 61 note 1 Loc. cit.

page 61 note 2 Geol. Mag., 1904, pp. 603–608.