Ademoroti, C.M.A. 1996. Environmental Chemistry and Toxicology. Foludex Press Ltd.,Ibadan. Nigeria. 215pp
Ako, T.A, Onoduku, U.S., Oke, S.A., Adamu, I.A., Ali, S.E., Mamodu, A. and Ibrahim, A.T. 2014. Environmental impact of artisanal gold mining in Luku, Minna, Niger State, North Central Nigeria. Journal of Geosciences and Geomatics 2 (1): 28-37.
Azubike, A.L. 2011. The Technology of peaty soils in Mozambique and Angola. Transactions of the 5thInternational Congress of Soil Science, Leopoldville 3: 398-401.
Berzas, N.J., Garcia-Bermejo, L.F., Rodriguez, M. and Doimeadios, R.C. 2003. Distribution of mercury in aquatic environment at Almaden, Spain. Environmental Pollution 122: 261-271.
Bradshaw, A.D. 1997. Restoration of mined lands - using natural process. Ecological Engineering 8: 255-269.
Cava-Montesinos, P., Ródenas-Torralba, E., Morales-Rubio, A., Cervera, M.L. and Guardia, M. 2004. Vapour atomic fluorescence determination of mercury in milk by slurry sampling using multi commutation. Analytical Chimica Acta 506 (2) : 145-153.
Frumkin, H., Letz, R., Williams, P.L., Gerr, F., Pierce, M., Sanders, A., Elon, L., Mannings, C.C., Woods, J.S., Hertzberg, V.S., Mueller, P. and Taylor, B.B. 2001. Health effects of long term mercury exposure among chloralkali plants workers. American Journal of Industrial Medicine, 39: 1-18
Guo, J., Dai, X., Xu, W. and Ma, M. 2008. Over expressing GSHI and As PCSI simultaneously increases the tolerance and accumulation of cadmium and arsenic in Arabidopsis thaliana. Chemosphere 72: 1020-1026.
Ling, C., Ching-ying, Y., Hung-Chang, L., Hsing-Jasine, C., Ming-Jers and Bor-Cheng, H. 2006. Effect of mother’s consumption of traditional Chinese herbs on estimated infant daily intake of lead from breast milk. Science of the Total Environment 354: 120-126.
Messer, R.L., Lockwood, P.E., Tseng, W.Y., Edwards, K., Shaw, M., Caughman, G.B., Lewis, J.B. and Wataha, J.C. 2005. Mercury (II) alters mitochondrial activity of monocytes at sublethal doses via oxidative stress mechanisms. Journal of Biomedical Materials Research Part B 75: 257-263.
Nagajyoti, P.C., Lee, K.D. and Sreekanth, T.V.M. 2010. Heavy metals, occurrence and toxicity for plants: a review. Environmental Chemistry Letters 8 (3): 199-216.
Nwajiuba, C.U. 2000.Socio-Economic Impact of Solid Minerals Prospecting on host communities. A study of Okaba, KogiState, Nigeria. Technical Report to the Nigerian Coal Corporation, Enugu, Nigeria, p 59.
Obaje, N.G. and Abaa, S.I.1996. Potential for coal-derived gaseous hydrocarbons in the Benue Trough of Nigeria. Journal of Petroleum Geology 19(1): 77-94.
Obaje, N.G., Nzegbuna, A.I., Moumouni A. and Ukaonu, C.E. 2005. Geology and Mineral Resources of Nasarawa State, Nigeria.A preliminary Investigation. Paper presented at the 4th Nasarawa State Agricultural and Solid Minerals Exposition held at Agyaragu, Nasarawa State, Nigeria, 21-23 March, pp. 1-27.
Opafunso, Z.O. 2011. Overview of Artisanal and Small Scale Mining of Gold Operations in Nigeria. Lecture at Federal University of Technology, Akure, Ondo State, Nigeria, 2011.
Osher, L.J., Leclerc, L., Wiersma, G.B., Hess, C.T. and Guiseppe, V.E. 2006.Heavy metal contamination from historic mining in upland soil and estuarine sediments of Egypt Bay, Maine, USA. Estuarine, Coastal and Shelf Science 70 (1-2): 169-179.
Pandey, D.D. and Kumar, S. 1996, Impact of cement dust pollution on biomass, chlorophyll,nutrients and grain characteristics of wheat. Environmental Ecology 14(4): 872-875.
Ratcliffe, D. 1974. Ecological effects of mineral exploitation in the United Kingdom and their significance to nature conservation. Royal Security of London Proceedings. Series A 339: 355-372.
Sanita di Toppi, L. and Gabbrielli, R. 1999. Response to cadmium in higher plants. Environmental and Experimental Botany 41: 105-130.
Taylor, S.R. and McLennan, S.M. 1985. The Continental Crust: its Composition and Evolution. Blackwell Scientific Publication, Oxford.
Thomas, J.C., Malick, F.K., Endreszl, C., Davies, E.C. and Murray, K.S. 1998. Distinct responses to copper stress in the halophyte Mesembryanthemum crystallium. Physiologia Plantarum 102: 360-366.
Veiga, M.M. 2003. Mercury in artisanal gold mining in Latin America: facts, fantasies and solutions, UNIDO Expert Group Meeting - Introducing new technologies for abatement of global mercury pollution deriving from artisanal gold mining, Vienna, Austria.
Wedepohl, K.H. 1995. The composition of the continental crust.Geochim Cosmochim Acta 59 (7), 1217-1232.
Wojcik, M. and Tukiendorf, 2004. A. Phytochelatin synthesis and cadmium localizati on in wild type of Arabidopsis thaliana. Plant Growth Regulation 44: 71-80.
World Health Organization (WHO).1996. Lead, cadmium and mercury. In: Trace elements in human nutrition and health. Geneva: WHO