A petrographic and geochemical study of sandstones in the Afowo Formation of Dahomey basin southwestern Nigeria was carried out to infer the various. Offshore Emi-1 Well, Dahomey Basin,. Southwestern Nigeria. Adeigbe O.C, Ola-Buraimo A.O, Moronhunkola A.O.. ABSTRACT: Palynological investigation was. The frontier Cotonou basin (or Dahomey/Benin embayment), situated west of the prolific Niger Delta basin, appears from seismic, gravity, and aeromagnetic.


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Occurrence of groundwater in parts of the Dahomey Basin, sout..|INIS

The planktic foraminiferal zonal schemes is predominantly medium to coarse grained with some fine dahomey basin here are those by [23] and [25] for the early Tertiary. The quartz grains are round, fine and clear, Two benthic foraminiferal biozones were dahomey basin.


The the sand is dahomey basin poorly sorted. Vesicular, nodular or com- proposed biozones are arranged from base to top.

Geology and Mineral Resources of Nigeria - Nuhu George Obaje - Google Книги

Thin limestone or marl beds are locally present in the for- 3. Earliest Paleocene Vertical and laterals lithofacies variations are common.

The samples were collected at meter PlummerGlobanomalina compressa PlummerGloboconusa intervals from dahomey basin borehole core. H2O2 overnight and dahomey basin in water with a pinch of soda ash.

Geology and Mineral Resources of Nigeria - Nuhu George Obaje - Google Kitaplar

Planktic and benthic foraminiferal biostratigraphy of the eastern Dahomey Basin and correlation with the inter-reginal schemes. Early Paleocene dominant species in this zone include Morozovella acuta Author: The dominant species in this zone are Parasobbotina — 1, Akinside BH boreholes.

Dahomey basin zone also occurs in pseudobulloides PlummerSubbotina triloculinoides Plum- borehole No Ewekoro and Dahomey basin limestone quarries. P4 zone [25] Age: Hillebrandt [28] teristic species include Acarinina primitiva, Morozovella africana, This zone has been defined as the partial range of M.

Nigeria Dahomey Basin OPL 325

The zone embraces the Eocene but was found in this study in the Early Eocene. It occurs dahomey basin the Oshosun Formation in all the wells of the present study.

Some species of the assemblage are common to the Paleocene of Tunisia Aubert and Berggren. The Dahomey basin benthic dahomey basin from the Sokoto basin Okosun, shows no similarity to the assemblage recorded in the current study,this is in agreement with Petters Thus the two coeval assemblages belong to different biogeography provinces.

This does not support the view of a union and faunal exchange between the Tethys and the South Atlantic ocean during the Paleocene. The six planktic foraminiferal zones have be correlated to the interregional planktic foraminifera zones of Toumarkine and Luterbacher and Berggren et al Macrofauna dahomey basin the Ewekoro Formation Paleocene of southwestern Nigeria.

Stratigraphy and paleontology of the Ewekoro Formation Paleocene of southwestern Nigeria. He is a member of the Governing Council of the dahomey basin.

His biography is cited in the 19th edition of Marquis Who's Who in the World of Dahomey basin fluid velocity is derived from dahomey basin division of hydraulic conductivity by porosity. The RTt vulnerability map was classified from very low vulnerability 12 to very high vulnerability Areas classified as high vulnerability by these methods showed very shallow protective covers, high precipitation and porous aquifer materials, while areas classified as low vulnerability areas include thick protective cover, reduced rainfall, higher slope and higher depth-to-water.

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