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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 62 (1978)

Issue: 4. (April)

First Page: 693

Last Page: 704

Title: Characteristics of Deep Bahama Channels in Relation to Hydrocarbon Potential: GEOLOGIC NOTES

Author(s): Henry T. Mullins (2), George W. Lynts (3), A. Conrad Neumann (4), Mahlon M. Balls (5)

Abstract:

Exploration for hydrocarbons in the Bahamas has yet to discover economic reserves of oil or gas. Available geophysical and geologic data are insufficient to evaluate fully whether or not the Bahamas have any potential as a hydrocarbon producing area. However, in previous evaluations the deep Bahama channels were not fully considered.

Extensive bottom sampling and seismic reflection profiling of the shallow subsurface in these deep channels reveal that porous deep-water limestones and a variety of potentially attractive structures are present. Deep-water biohermal buildups (lithoherms) and a variety of porous, coarse-grained gravity-flow deposits have been found along the deep bank margins in the northern Bahamas interfingering with deep-basin chalks. Structures such as diapirs, faults, basement highs, and erosional unconformities also are present within the channels. These data suggest that more detailed exploration in the Bahama Channels may be warranted.

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