References
- Long, K., Gosen, B., Foley, N., Cordier, D. (2010): The principal rare Earth Elements Deposits of the United States: A summary of domestic deposits and a global perspective. U.S. Geological Survey Scientific Investigations Report 2010–5220, 96 p.
- Dostal, J. (2017): Rare earth element deposits of alkaline igneous rocks. Resources, 6(34), pp. 1–2, DOI: 10.3390/resources6030034.
- Omotunde, V.B., Olatunji, A.S., Abdus-Salam, M.O. (2020): Rare earth elements assessment in the granitoids of part of Southwestern Nigeria. European Journal of Environment and Earth Sciences, 1(5), pp. 1–10.
- Rahaman, M.A. (1976): Review of the Basement Geology of Southwestern Nigeria. In: Geology of Nigeria, Kogbe, C.A. (ed.). Elizabethan Publ. Co.: Lagos, pp. 41–48.
- Nigerian Geological Survey Agency (2004): Geological map of Nigeria, scale 1:2,000,000. Geological Survey of Nigeria, Abuja.
- Nyakairu, G.W.A., Koeberl, C. (2001): Mineralogical and chemical composition and distribution of rare earth elements in clay-rich sediments from Central Uganda. Geochemistry Journal, 35, pp. 13–28.
- Roy, P.D., Smykatz-Kloss, W. (2007): REE geochemistry of the recent playa sediments from the Thar Desert, India: an implication to playa sediment provenance. Chemie der Erde-Geocheistry, 67, pp. 55–68.
- Oyinloye, A.O., Obasi, R. (2006): Geology, geochemistry and geotectonic setting of the Pan-African granites and charnockites around Ado-Ekiti, southwestern Nigeri. Pakistan Journal of Scientific and Industrial Research, 49(5), pp. 299–308.
- Ukaegbu, V.U., Ekwueme, B.N. (2005): Petrogenetic significance of rare earth element behavior in the basement rocks of southern Obudu Plateau, Bamenda Massif, southeastern Nigeria. Chinese Journal of Geochemistry, 24, pp. 129–135.
- Feng, R., Kerrich, R. (1990): Geochemistry of fine-grained clastic sediments in the Archean Abitibi greenstone belt, Canada: Implications for provenance and tectonic setting. Geochimica et Cosmochimica Acta, 54(4), pp. 1061–1081.
- Papike, J.J., Shearer, C.K., Simon, S.B., Shimizu, N. (1988): Lunar pyroxenes: Crystal chemical rationalization of REE zoning, pattern, and shapes and abundances—an ion microprobe investigation. Abstracts of the Lunar and Planetary Science Conference, 19, pp. 901–902.
- Weill, D.F., Drake, M.J. (1973): Europium anomaly in plagioclase feldspar: Experimental results and quantitative model, Science, 180(4090), 1059–1060, DOI: 10.1126/science.180.4090.1059.
- Boynton, W.V. (1984): Cosmochemistry of the rare earth elements: Meteorite studies. In: Rare Earth Element Geochemistry, Henderson P. (ed.). Elsevier: New York, pp. 63–114, DOI: 10.1016/B978-0-444-42148-7.50008-3.
- Ross, P.S., Bédard J.H. (2009): Magmatic affinity of modern and ancient subalkaline volcanic rocks determined from trace-element discriminant diagrams. Canadian Journal of Earth Sciences, 46(11), pp. 823–839, DOI: 10.1139/E09-054.
- Bowden, P., Bennett, J.N., Whitley, J.E., Moyes, A.B. (1979): Rare earths in Nigerian mesozoic granites and related rock. Physics and Chemistry of the Earth, 11, pp. 479–491, DOI: 10.1016/0079-1946(79)90045-4.
- Valdecir, J. (1993): Petrogenesis and tectonic setting of the Neoproterozoic Capituva k-syenitic massif, SW Minas Gerais, Brazil. Revista Brasileira de Geociencias, 23, pp. 129–138.
- Najime, T., Abaa, S.I., Magaji, S. (2012): Petrology and rare earth elements (REE) distribution patterns of magmatic rocks in Gboko Area, Lower Benue Trough Nigeria: implication for tectonic evolution. Global Journal of Geological Sciences, 10(1), pp. 47–58.
- Yang, X., Yang, X.Y., Zheng, Y., Le Bas, M. (2003): A rare earth element-rich carbonatite dyke at Bayan Obo, Inner Mongolia, North China. Mineralogy and Petrology, 78, pp. 93–110.
- Sridhar, N., Mallikarjuna, R., Reddy, Nagendrababu, G. (2018): Quartz syenites from the Prakasam alkaline province, Southern India; A comparative study with special emphasis on their rare earth element contents. Journal of India Geophysical Union, 22(5), pp. 507–517.
- Ukaegbu, V.U., Beka, F.T. (2007): Petrochemistry and geotectonic significance of enderbite-charnockite association in the Pan-African Obudu plateau, southeastern Nigeria. Journal of Mining and Geology, 43(1), pp. 1–14.
- Mbongue, N.J.L., Ngnotue, T., Nlend, N., Suh, C.E. (2014): Origin and evolution of the formation of the Cameroon Nyong series in the western border of the Congo Craton. Journal of Geosciences and Geomatics, 2(2), pp. 62–75.
- Oroh, S. (2018): Geochemical and petrogenetic study of the charnockitic rocks of Akure and Ekiti areas, southwestern, Nigeria. M. Sc. Thesis. University of Ibadan, Department of Geology, 128 p.
- Field, D., Drury, S.A., Cooper, D.C. (1980): Rare-earth and LIL element fractionation in high grade charnockitic gneisses, south Norway, Lithos, 13(3), pp. 281–289.
- Weaver, Barry L. (1980): Rare earth elements geochemistry of Madras granulites. Contributions to Mineralogy and Petrology, 71(3), pp. 271–279.