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Book Chapter

Previous Studies of the Maldives Carbonate Platform

Published:
January 01, 2004

Abstract

Early expeditions to the Maldives included bathymetric surveys as well as studies of the ecology of the coral reefs and associated fauna (see summaries in Ciarapica and Passeri, 1993, and Purdy and Bertram, 1993). A myriad of atolls in the Maldives stimulated some of the greatest scientific minds to develop the theories of atoll formation (Darwin, 1842; Agassiz, 1903). The low-lying atolls, however, provided little clue about the history of the Maldives beyond the Holocene. This situation changed when oil companies became interested in the hydrocarbon potential of the Maldives. From 1968 to 1978, a consortium led by Elf Aquitaine held an exploration license over the Inner Sea Basin and much of the archipelago. Between 1971 and 1974, Elf acquired 6750 km of 2-D deep-marine and shallow-water seismic data, 2700 km of which was collected in the atoll lagoons.

In 1976, Elf drilled the NMA-1 (TD 2221 m) water-bearing well in the lagoon of the North Male atoll. The drilling encountered porous carbonate rocks and a potential source rock before penetrating late Paleocene basalts. In 1987, ODP Leg 115 drilled several sites in the equatorial Indian Ocean, including three in the Maldives (Backman et al., 1988). The NMA-1 well, the ODP sites, and a significant portion of the seismic data acquired by the Elf consortium were studied by Aubert and Droxler (1992) and by Purdy and Bertram (1993).

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Contents

AAPG Studies in Geology

Seismic Expressions and Interpretation of Carbonate Sequences: The Maldives Platform, Equatorial Indian Ocean

Andrei V. Belopolsky
Andrei V. Belopolsky
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;
André W. Droxler
André W. Droxler
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American Association of Petroleum Geologists
Volume
49
ISBN electronic:
9781629810508
Publication date:
January 01, 2004

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