International Journal of Geography and Geology

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Online ISSN: 2305-7041
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No. 1

Paleoredox Conditions of Paleocene to Miocene Rocks of Eastern Benin (Dahomey) Basin, Nigeria: Implications for Chemostratigraphy

Pages: 24-35
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Paleoredox Conditions of Paleocene to Miocene Rocks of Eastern Benin (Dahomey) Basin, Nigeria: Implications for Chemostratigraphy

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DOI: 10.18488/journal.10.2021.101.24.35

Adelabu, I. O. , Opeloye, S. A. , Oluwajana, O. A. , Ogbahon, O.A.

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Olabode, S. O., & Mohammed, M. Z. (2016). Depositional facies and sequence stratigraphic study in parts of Benin (Dahomey) Basin SW Nigeria: Implications on the re-interpretation of tertiary sedimentary successions. International Journal of Geosciences, 7(02), 210-228. Available at:

Oluwajana, O. A., Adebambo, B. A., Olawuyi, G. T., Ewuji, J. O., Adejayan, B. A., Ayodele, O. D., & Adedokun, T. A. (2021). Paleoecologic implications of foraminiferal assemblages in the upper cretaceous-Paleogene Strata, Eastern Dahomey (Benin) Basin, Southwestern Nigeria. Arabian Journal of Geosciences, 14 (9), 1-16. Available at:

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Adelabu, I. O. , Opeloye, S. A. , Oluwajana, O. A. , Ogbahon, O.A. (2021). Paleoredox Conditions of Paleocene to Miocene Rocks of Eastern Benin (Dahomey) Basin, Nigeria: Implications for Chemostratigraphy. International Journal of Geography and Geology, 10(1): 24-35. DOI: 10.18488/journal.10.2021.101.24.35
The major oxides and trace elements, of two wells spanning the Paleocene – Miocene of the Benin Basin, were used to infer the varying paleoredox conditions during deposition of the different rock units and identify the chemostratigraphic boundaries. The major oxides revealed four boundaries in these wells, while trace elements suggest five and three chemostratigraphic boundaries for BH and AJ wells respectively. The information from V/Sc, Ni/V and V/(V+Ni) ratios indicates the prevalence of oxic conditions in the sandy upper 25m of the BH well and the interval between 1046 – 1485m of the AJ well. The redox sensitive trace elements of the shaly middle parts of the BH well suggest dysoxic – anoxic conditions and in most parts of the AJ well.
Contribution/ Originality
This study is one of the very few studies which have investigated the variations in oxygenation levels in some Post-Cretaceous sediment of the Benin Basin, Nigeria. The study outlines how the distribution of redox sensitive elements was used to suggest paleoredox conditions and identify chemostratigraphic boundaries.

Groundwater Occurrence and Development in the Daura Area of Katsina State, Extreme Northern Nigeria

Pages: 9-23
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Groundwater Occurrence and Development in the Daura Area of Katsina State, Extreme Northern Nigeria

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DOI: 10.18488/journal.10.2021.101.9.23

Owolabi Ajayi , Charles I. Konwea , Jamiu A. Alimi

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Ahmad, M. T., & Daura, H. A. (2019). Domestic water consumption under unimproved water supply in semi-arid region of northern Nigeria. Sustainable Water Resources Management, 5(2), 415-424. doi:

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Owolabi Ajayi , Charles I. Konwea , Jamiu A. Alimi (2021). Groundwater Occurrence and Development in the Daura Area of Katsina State, Extreme Northern Nigeria. International Journal of Geography and Geology, 10(1): 9-23. DOI: 10.18488/journal.10.2021.101.9.23
Groundwater resources of the Cretaceous Gundumi Formation and the underlying crystalline basement rocks have always been the source of water supply in Daura. Records of thirty-one boreholes drilled in the area between 1959 and 1996 were reviewed to deduce the hydrogeology of the area. The lithology of the study area obtained from strata logs and geophysical survey comprises decomposed crystalline rocks overlain by basal conglomerate, loosely cemented gravely sandstone, ferruginous sandstone and clay horizons, capped in places by laterite or silty fine sands. The area is divided into the northern and southern wellfields with average thicknesses of the Gundumi Formation of 50 m and 35 m, respectively. The average yield of the productive boreholes is 4.1 lps. The aquifer of the Gundumi Formation in the Daura area has low to moderate groundwater potential. However, the low capacities of the production boreholes are adequate to sustain the domestic water requirements of the population. Borehole site selection should be based on geophysical investigation, while the drilling rig should be capable of both rotary and downhole-hammer drilling. The borehole completion materials should be resistant to corrosion because of the low pH of the groundwater. The quality of the groundwater is generally suitable for domestic uses, though aeration or lime treatment may be necessary in some cases because of the slightly acidic nature of the groundwater.
Contribution/ Originality
This study is one of the very few studies which have investigated the aquifer properties, groundwater potential and quality in the Daura area of Katsina State, Nigeria using geophysical, borehole and physicochemical data, in a view to appraise the groundwater resources, improve borehole siting, construction and development in the area.

Evaluation of Groundwater Quality Using Water Quality Index in Gadilam River Basin, Tamil Nadu, India

Pages: 1-8
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Evaluation of Groundwater Quality Using Water Quality Index in Gadilam River Basin, Tamil Nadu, India

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DOI: 10.18488/journal.10.2021.101.1.8

K. Mohammed Rizwan , V. Thirukumaran

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K. Mohammed Rizwan , V. Thirukumaran (2021). Evaluation of Groundwater Quality Using Water Quality Index in Gadilam River Basin, Tamil Nadu, India. International Journal of Geography and Geology, 10(1): 1-8. DOI: 10.18488/journal.10.2021.101.1.8
The current research is to assess the groundwater quality the Gadilam river which is draining in the northern part of the Tamil Nadu and to examine its suitability for irrigation uses. The groundwater quality parameters are derived from 120 groundwater samples collected throughout the basin out of which 50 samples are from Archaean formation, 34 samples are from Quaternary formation, 35 samples are from Tertiary formation and the remaining one sample is from Cretaceous formation. In addition to that, this study involves comparing the determined cations and anions levels with the various standards for drinking. The variability of parameters of the groundwater quality is explored by using statistical method. The conclusion of this research reveals that the groundwater quality parameters like Calcium (Ca2+), Magnesium (Mg2+), Nitrate (NO32-), Fluoride (F-), Sulphate (SO42-), Bi-carbonate (HCO3-) and Percentage of Hydrogen (pH) values are observed within limiting value for WHO 2011 in all the formations during this season. WQI values for the Archaean, Quaternary and Tertiary formations are found lesser than 100 meq/L in all stations in monsoon seasons. Based on WQI, these sample stations are coming under the category of “Excellent” and “Good”.
Contribution/ Originality
This study is one of very few studies which have investigated and compared the water quality Index for different geological formations of Gadilam river basin.