Quality of natural waters in carbonate aquifers at a densely populated Odukpani area of cross river state, Southern Nigeria

References

• Adeleye, D. R., & Fayose, E. A. (1978). Stratigraphy of the type section of the Awi Formation, Odukpani area Southeastern Nigeria. Journal of Mining and Geological Engineering, 15, 33–37.
   Google Scholar
• Amadi, P. A., Ofoegbu, C. O., & Morrison, T. (1989). Hydrogeochemical assessment of groundwater quality in parts of the Niger delta, Nigeria. Environmental Geology, 14(3), 195–202.
   Google Scholar
• Anthony, T. B., & Sunday, O. I. (2013). Evaluation of Albian limestone exposed at Dangote cement quarry, Tse-Kucha near Yandev, North Central Nigeria: A geochemical approach. International Journal of Science & Technology, 2, 847–856.
   Google Scholar
• APHA. (1998). Standard methods for the examination of water and waste water (p. 874). Washington: Author.
   Google Scholar
• Azubuike, S. E., Edet, A. E., & Solomon, J. E. (2012). Groundwater chemistry of the Oban Massif, Southeastern Nigeria. Revista Ambi and Agua- Interdisc. Journal of Applied Sciences, 7(1), 51–66.
   Google Scholar
• Dixon, W., & Chiwell, B. (1992). The use of hydrochemical sections to identify recharge areas and saline intrusions in alluvial aquifers, Southeast Queensland, Australia. Journal of Hydrology, 135, 259–274.10.1016/0022-1694(92)90091-9
   Web of Science ®Google Scholar
• Eaton, F. M. (1950). Significance of carbonates in irrigation waters. Soil Science, 39, 123–134.10.1097/00010694-195002000-00004
   Web of Science ®Google Scholar
• Edet, A. E., & Okereke, C. S. (1997). Assessment of hydrogeological conditions in basement aquifers of Precambrian Oban massif, southeastern Nigeria. Journal of Applied Geophysics, 36, 195–204.10.1016/S0926-9851(96)00049-3
   Web of Science ®Google Scholar
• Edet, A. E., Nganje, T. N., Ukpong, A. J., & Ekwere, A. S. (2011). Groundwater chemistry and quality of Nigeria: A status review. African Journal of Environmental Science and Technology, 5(13), 1152–1169.
   Google Scholar
• Essien, N. U., Ukpabio, E. J., Nyong, E. E., & Ibe, K. A. (2005). Preliminary organic geochemical appraisal of Cretaceous Rock unit in the Calabar Flank, Southern Nigeria. Journal of Mining and Geological Engineering, 41(2), 181–191.
   Google Scholar
• Garcia, M. G., Hidalgo, M. V., & Blesa, M. A. (2001). Geochemistry of groundwater in alluvial plain of Tucuman province, Argentina. Hydrogeology Journal, 9, 597–610.10.1007/s10040-001-0166-4
   Web of Science ®Google Scholar
• Giuseppe, S., Sibel, E., & Flavia, F. (2013). Water quality assessment of carbonate aquifers in Southern Latium Region, Central Italy: A case study for irrigation and drinking purposes. Applied Water Science, 4, 115–128.
   Google Scholar
• Iloeje, N. P. (1995). A new geography of Nigeria. Ikeja: Longman Lagos.
   Google Scholar
• Jalali, M. (2005). Major ion chemistry of groundwaters in the Bahar area, Hamadan, western Iran. Environmental Geology, 47, 763–772.10.1007/s00254-004-1200-3
   Web of Science ®Google Scholar
• Nigeria Ministry of Solid Mineral Development. (2000). An inventory of solid mineral potentials of Nigeria, prospectus for investors (p. 15). Abuja: Author.
   Google Scholar
• NSDWQ. (2007). Nigerian standard for drinking water quality (p. 30). Nigerian Industrial Standard NIS 554. Standard Organization of Nigeria.
   Google Scholar
• Odumodu, C. F. (1994). Subsidence and hydrocarbon maturation in the sediments of the Calabar Flank, Southeastern Nigeria. Unpublished M.Sc. Thesis. University of Calabar, Nigeria.
   Google Scholar
• Reigers, T. J. A., & Petters, S. W. (1987). Depositional environments and diagenesis of Albian Carbonates on the Calabar Flank. Journal of Petroleum Geology, 10(3), 283–294.10.1111/jpg.1987.10.issue-3
   Web of Science ®Google Scholar
• Samuel, T. M., Maina, H. M., & Matera, O. N. (2010). Comparative assessment of limestone resources of Guyuk and Ashaka area for Industrial utilization. J. Phys. Sci. Inno., 2, 1–8.
   Google Scholar
• USEPA. (1994). Quality criteria for water. EPA 440/5-86-001. Washington, DC.
   Google Scholar
• Vikas, T. K., Kamra, S. K., Kumar, A., & Vishal, K. (2012). Hydro-chemical analysis and evaluation of groundwater quality for irrigation in Karnal District of Haryana State, India. International Journal of Environmental Science and Technology, 3(2), 756–766.
   Google Scholar
• WHO. (2004). Guidelines for drinking water quality (3rd ed., Vol. 1, p. 515). Geneva: Recommendation.
   Google Scholar
• Youdeowei, P. O., & Nwankwoala, H. O. (2010). Subsoil characteristics and hydrogeology of the export-processing zone, Calabar-Southeastern Nigeria. Journal of Applied Sciences and Environmental Management, 14(2), 11–15.
   Google Scholar