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Sgarbi, P. and Valenca, J. 1991. Petrography and General Chemical Features of Potassic Mafic to Ultramafic Alkaline Volcanic Rocks of Mata da Corda Formation, Minas Gerais State, Brazil. International Kimberlite Conference: Extended Abstracts. 5, (Feb. 1991), 359–360. DOI:https://doi.org/10.29173/ikc2569.