cover image: Memoirs of the Asiatic Society of Bengal. Geographic and Oceanographic Research in Indian Waters

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Memoirs of the Asiatic Society of Bengal. Geographic and Oceanographic Research in Indian Waters

1935

THE TOPOGRAPHY AND BOTTOM DEPOSITS OF THE LACCADIVE SEA.* In the following paper I have attempted to bring together from a variety of sources including my own observations the available information regarding the mode of origin and subsequent history of the present character of the west coast of India and of the great chain of islands and atolls that lies to the west and soutwest of the Indian [...] In the Indian region there are evidences of continued variations in the coast line throughout the Mesozoic period until the final break up of Gondwanaland with the eruption of the Deccan lavas at the close of the Cretaceous period.' Pascoe (1927 p. 214) has given a brief but sufficient description of the general condition as regards the distribution of the land areas at the end of the Carboni [...] At the same time he notes that most of the islands are situated on the east side of the lagoons and that large coral boulders are found on the beach on the east and north-east sides of the islands ; the explanation that he gives of this latter fact namely that it is due to the increased growth of the coral on the south and west sides consequent on the influence of the south-west monsoon while [...] F. 1895 p. 13) remarks that ' the tides are not strong in the Laccadives ; the flood sets to the north-east past the northern reefs and east and south-east in the neighbourhood of the southern ones that is in a course of right angles to the length of the reefs '. In the region of the Maldives the tides are also weak and the main tidal flow so far as the surface currents are concerned would [...] He remarks that The general hard bottom can only be explained by the action of currents and on them lies the solution of the question as to the formation of the atolls and banks of the Maldives '. A study of the records of the nature of the bottom does not however seem to me to justify the conclusion that the bottom in the region of the Maldive plateaux is as a rule hard for out of some eighty
agriculture environment
Pages
44
Published in
India
SARF Document ID
sarf.100203
Segment Pages Author Actions
Cover
i-iv R. B. Sewell view
VII. the Topography and Bottom Deposits of the Laccadive Sea
425-460 R. B. Sewell view
Backmatter
i-iv R. B. Sewell view

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