alexa Weathering structure of the east-central Niger Delta, Nigeria
Geology & Earth Science

Geology & Earth Science

Journal of Geology & Geophysics

Author(s): Etim D Uko, Anthony S Ekine, Joseph O Ebeniro, Charles O Ofoegbu

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Refraction experiments were conducted over parts of the east-central Niger Delta in an attempt to provide an interpretation of the region's weathering structure. The velocity and depth of the weathered layer and the velocity of the refractor were calculated from critically refracted arrivals using flat-layer models. An interpretation of the data, carried out using the time-intercept method, shows that the thickness of the low velocity weathered layer in the region is highly variable, from between about 2.9 m and 45.5 m, with a regional average of about 20.0 m. The weathered layer and the refractor beneath it have an average compressional-wave velocity of about 500.0 m/s and 1732.0 m/s, respectively. The knowledge of this weathering structure can be applied in oil and ground water exploration in the area of the study. It is also expected that this structure could be used by groups interested in civil engineering.

This article was published in Geophysics and referenced in Journal of Geology & Geophysics

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