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The Basal Complex Question in Jamaica

Published online by Cambridge University Press:  01 May 2009

C. T. Trechmann
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Extract

A Question of considerable importance in the geology of the Greater Antilles has lately re-arisen and concerns the following alternatives:— 1. Whether in Jamaica an old granitic and metamorphic pre-Mesozoic (possibly pre-Palaeozoic) basement exists and can be recognized in the present structure of the island. 2. Whether the granite, serpentine, marble, and other igneous and metamorphosed rocks of the island are the result of Cretaceous and Tertiary intrusion and metamorphism.

Type
Original Articles
Information
Geological Magazine , Volume 73 , Issue 6 , June 1936 , pp. 251 - 267
Copyright
Copyright © Cambridge University Press 1936

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References

page 252 note 1 Sawkins, J. G., Quart. Journ. Geol. Soc., xix, 1863, p. 35.CrossRefGoogle Scholar

page 252 note 2 “Report of the Geology of Jamaica,” Mem. Geol. Survey, London, 1869, p. 113.Google Scholar

page 252 note 3 The Geologist, 1864, pp. 226–7.Google Scholar

page 252 note 4 “The Geology and Physical Geography of Jamaica,” Bull. Mus. Comp. Zool., Harvard, xxxiv, 1899, pp. 1–226.Google Scholar

page 252 note 5 Quart. Journ. Geol. Soc., lxxxv, 1929, pp. 440–492.Google Scholar

page 252 note 6 “Final report of the Government Geological Department,” Supplement to the Jamaica Gazette, 27th 03, 1925, pp. 23–35.Google Scholar

page 253 note 1 Geol. Mag., LIX, 1922, p. 428.Google Scholar

page 255 note 1 “The Rudistids of Southern Mexico,” Occasional Papers California Acad. Sciences, 1928, xiv, p. 8.Google Scholar

page 256 note 1 I am indebted to Dr. H. D. Thomas and Mr. W. N. Edwards of the British Museum (Natural History) for kindly helping me with these rock slices.

page 256 note 2 Molengraaff, G. J. H., Geologie en geohydrologie van Het Eiland Curaçao, Delft, 1929, pp. 22 and 29, pl. v.Google Scholar

page 257 note 1 The precise nature of this ferromagnesian mineral has not yet been determined.

page 262 note 1 Specimens of these and other rocks mentioned in this paper were collected, and may be investigated by anyone interested.

page 262 note 2 Dr. Matley calls the place “Golden Hill”, but “Golden Spring ” is the name that appears on Sawkins's map.

page 266 note 1 Science, 75, 03, 1932, pp. 342–3.CrossRefGoogle Scholar

page 266 note 2 “Introduction to Geology of Porto Rico,” Dept. Geol. Columbia University Publications, xxvii, No. 35, 1919, p. 19.Google Scholar