Duwatsu
 Duwatsu |
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Duwatsu dai ana samun su a wasu jahohin Najeriya, kaman kano, katsina, jigawa, zamfara da sauran su.
Manazarta
[gyara sashe | gyara masomin]Haldar, S. K. (2013). "Introduction". Introduction to Mineralogy and Petrology. Elsevier Science. pp. 1–37. ISBN 9780124167100.
O'Hara, Kieran D. (2018). "The Structure of Geological Revolutions". A Brief History of Geology (1 ed.). Cambridge University Press. pp. 247–259.