1. Cronan DS, Glasby GP, Moorby SA, Thomson J, Knedler KE, Mc Dougall JC (1982) A submarine hydrothermal manganese deposit from the S.W. Pacific Island arc. Nature 298:456–458
2. George CF, Macdonald DIM, Spagnolo M (2019) Deltaic sedimentary environments in the Niger Delta, Nigeria. J African Earth Sci 160:103592
3. Jagannadha Rao M, Venkata Ramana J, Venu Gopal R, Chandra Rao M (2005) Geochemistry and ore-minerology of ilmenite from beach placers of the Visakhapatnam-Bhimunipatnam deposit, Andhra Pradesh. J Geol Soc India 66(2):147
4. Lei KY, Liu CY, Zhang L, Wu BL, Cun XN, Sun L (2017) Element geochemical characteristics of the Jurassic mudstones in the Northern Ordos Basin: implications for tracing sediment sources and paleoenvironment restoration. Acta Sedimentol Sin 35(3):621–636
5. Madhusudhana Rao Ch (1983) Geochemistry of the sediments of the central western continental shelf of India. Ph.D. Thesis. Andhra University, Waltair (Unpublished)