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FORAMINIFERAL BIOSTRATIGRAPHY AND PALEOENVIRONMENT OF WELL BL-1X, DEEP OFFSHORE, NIGER DELTA BASIN, NIGERIA
(Journal of Natural and Applied Sciences, 2022-06) Usman, H. O.; Unuevho, C .I.; Chukwuma-Orji, J. N.; Alkali, Y. B.
Foraminiferal biostratigraphic analysis was carried out using one hundred and sixty (160) ditch cutting samples from BL-1X well, deep off-shore Niger Delta basin Nigeria. The interval studied is 7710 – 13020 ft belonging to the Agbada Formation. Lithologically, the section varies from shaly-sand to sandy-shale to shale. Biozonation included four planktonic zones, the proposed planktonic zones are: Globgerinoides extremus - G. humerosa zone – interval zone, Globorotalia acostaensis zone – taxon range zone, Globorotalia foshi peripherronda – Globigerinatella insueta – interval zone, Catapsydrax stainforthi zone – taxon range zone which are correlatable with the zones of previous workers. Samples from the section was dated early to late Miocene based on paleontological evidences. Sediments of well BL-1X were deposited in the lower-upper bathyal environment based on environmentally restricted benthic species.
Biostratigraphy and Depositional Environments of Wells BB-3, D-01 and BL-1X Deep Offshore, Niger Delta Basin, Nigeria: Insights from Palynological Studies
(Journal of Natural and Applied Sciences, 2022-06) Usman, H.O.; Unuevho, C. I.; Chukwuma-Orji, J. N.; Alkali, Y. B.
Biostratigraphic studies was carried out on BB-33, D-01 and BL-1X wells deep offshore Niger Delta Basin Nigeria. Palynological analysis was carried out on 295 ditch cuttings samples (BB-3 =82, D-01 =109, and BL-1X = 104). Open hole geophysical log data was also provided for the studied intervals 10700-15600 ft, 8060-16800 ft and 7900-13000 ft in BB-3, D-01 and BL-1X wells respectively belonging to the Agbada Formation. Lithologically, the section varies from alternation of sand and shale units with carbonaceous debris, mica flakes, ferruginised materials and glauconites at some intervals as accessory minerals. Palynomorphs recovered from the analyzed intervals were mainly Zonocotites ramonae, Monoporites annulatus, fungal spores/hypae, species of Sapotaceoidaepollenites and Laevigatosporites and were found to dominate the microfloral assemblage of the analyzed intervals. Sphaeromorph, acritarch, species of Leoisphaeridia coupled with Pediastrium, Botryococuss, Operculodinium centrocarpum, Lingulodinium machaerophorum, Achomosphaera ramulifera, Spiniferites ramosus and indeterminate dinoflagellate cysts were the marine indicators present. Samples from the section are dated early Miocene to early Pliocene age based on the independent paleontological evidences. The deduced depositional environments of the strata penetrated by the wells range from outer neritic through bathyal to deep marine.
Assessment of Drinking Water Quality from Chanchaga Area, Minna, Niger State, Nigeria
(Caliphate Journal of Science & Technology (CaJoST), 2020-05-30) Bisiriyu, Muhammad T.; Koleola, Abidemi A.; Kolo, Muhammad; Ibrahim, Mohammed
he accessibility to safe drinking water is essential to prevent water-borne
diseases like diarrhoea and cholera; thus, this study assessed the quality of
drinking water sources available to the inhabitants of the Chanchaga area, Minna,
Niger State. A total of twelve water samples consisting of four boreholes, four
wells, and four tap water, including one from Chanchaga water works were
collected and analysed for some physicochemical parameters and heavy metals
using standard procedures. The results showed that the average
physicochemical properties of tap, well and borehole water samples
respectively, were pH, 6.60, 6.62 and 6.67, turbidity 1.58, 3.42 and 3.15 NTU,
total suspended solids, 0.03, 0.09 and 0.00 mg/L, total dissolved solids, 0.96,
4.68 and 1.14 mg/L, total solids, 0.99, 4.79 and 1.14mg/L, electrical
conductivity, 158.25, 799.25 and 778.25 µЅ/cm, alkalinity, 13.50, 50.00, and
117.50 mg/L, chloride,18.75, 74.00 and 47.25mg/L, total hardness65.50, 227.75
and 149.50 mg/L, while the heavy metal concentrations in tap, borehole and well
water samples were Cu, 0.02, 0.20 and 0.33 mg/L, Mn, not detected, 0.23 and
0.32, Pb was not detected in all the samples and Fe, 0.21, 3.10 and 2.12 mg/L
respectively. All the parameters analysed were below the maximum permissible
limits specified by WHO except the total hardness of well water and
concentration of Fe in well and borehole water, which were above the maximum
permissible limits. It can be concluded that the three sources of water at
different locations in the study area are safe for human consumption at the time
this research was conducted.
Evaluation and Chemometric Analysis of the Mineral Profile of Locally Prepared Soups in Minna, Niger State, Nigeria
(J. Chem Soc. Nigeria, 2020-02-07) Salau, R. B.; Bisiriyu, M. T.; Abdullahi, Zalihat; Andrew, Alheri; Aremu, M. O.; Olushola, I. O.; Mohammed, A. K.
Minerals are an indispensable part of a complete diet for humans. This study was conducted to evaluate the
presence of five of these minerals; three essential minerals (Sodium, Calcium, and Potassium), two trace
minerals (Iron, and Copper) and a toxic metal (Lead) present in local soups in Minna, Niger State. The
samples were purchased locally in triplicates from restaurants in Minna, Niger State. The soups were
homogenised, weighed, dried, and then digested with proportionate combinations of HNO3, H2O2 and deionised water.
The elements were determined using Atomic Absorption and Flame Emission
Spectrophotometers. Microsoft Excel and MATLAB/PLS tool box software were used for Chemometrics
analysis. Results indicate that Dahyen kubewa and Miyanya kuwa have prominent content of studied
elements with relatively higher values, making them good sources of essential mineral elements. The average
concentrations of Na, K, Ca, Cu and Fe were respectively found within the ranges of 6.12–6.14, 0.67-
8.68, 4.84-45.30, 0.00-0.008 and 0.06-0.014 mgg-1. The values of the element expressed per serving
dishes of the samples were appreciable relative to recommended daily intakes. This implies that the foods
can be relevant in the management of Mineral Deficiency Diseases (MDD). Fe and Cu were below the
toxic limit, and lead was not detectable. The foods were found to be generally safe for consumption.
Correlation analysis showed that Na and Ca or K, as well as Fe and Cu, have a high correlation. These
elements, therefore, constitute the unique element signature of the local soups in Minna. The Hierarchical
Cluster Analysis of the mineral content data revealed two close substitute food pairs: Miyan yakuwa and
Danyen kubewa as well as Miyan kuka and Miyan karkashi. The result implies that in cases of
unavailability or scarcity of one of the pairs, the other paired food can be consumed. The paired foods
have equivalent mineral content. The Principal Component Analysis loading-score biplot indicated that
Miyan yakuwa, Danyen kubewa. Miyan agushi and Miyan taushe are calcium, sodium, and potassium
rich soups. The result also reveals that Jan miya is relatively rich in copper and iron..Miyan kuka and
Miyan Karkashi particularly have lower concentration of elements.
An Assessment of Groundwater Quality in Tudun Fulani, Niger State, Nigeria
(Sule Lamido University Journal of Science and Technology (SLUJST), 2020-12) Bisiriyu, Muhammad Taoheed; Ganiyu, Mustapha Adekomi; Audu, Lawal Idris; Abdullahi, AbdulHakam Safiu; Animashaun, Iyanda Murtala
groundwater is the main source of drinking water in Tudun Fulani community in Bosso, Niger
State, Nigeria. Objective: this study was conducted to assess the physicochemical and heavy metal characteristics
of groundwater used for drinking and other domestic purposes in the area with a view to determining its
suitability for these purposes. Method: twelve water samples comprising of seven hand-dug wells and five
boreholes were collected from different locations in the area. Physicochemical parameters (pH, turbidity,
electrical conductivity, total dissolved solids (TDS), total suspended solids (TSS), total solids (TS), alkalinity, total
hardness, chloride) and heavy metals (lead, manganese, copper and iron) contents were determined using
standard methods. Results: the results showed that the pH, electrical conductivity, TDS, TSS, TS turbidity,
alkalinity, total hardness and chloride ranged between 5.72 – 7.32, 252.5 – 1098 μS/cm, 58 – 11.35 mg/L, 0.001 –
0.108 mg/L, 1.05 – 7.33 NTU, 10.60 - 104.20 mg/L, 26.6 – 170.2 mg/L, and 28.17 – 86.9 mg/L, respectively. The
heavy metal analysis revealed lead, manganese, copper, and iron to range between 0.001-0.009 mg/L, 0.01-0.28
mg/L, 0.010 - 0.050 mg/L and 0.100 – 0.430 mg/L, while manganese and lead were not detected in one and six of the
samples, respectively. Conclusion: the values of the parameters analysed in this study were below and within the
permissible limits set by the World Health Organisation (WHO) for most of the water samples investigated; hence,
the groundwater is suitable for drinking and for other life-supporting activities. However, only four samples
(W1,W5 W6, and W7) were within the range of 100 - 300 mg/L set by WHO for total hardness. In addition, the pH
values of water samples W4, W5, B4, and B5 were below the recommended standard, while the electrical
conductivity of W5, turbidity of W3, W5 and iron contents of W2 and W7 were above the maximum limit set by
WHO. Therefore, it is recommended that the indiscriminate discharge of wastes be checked in locations of W2 and W7
as high iron content in drinking water poses serious health risks to consumers.