Data for: Late Tonian within-plate mafic magmatism and Ediacaran partial melting and magmatism in the Costeiro Domain, Central Ribeira Belt, Brazil

The supplementary material number 1 (SM1) contains the descriptions of the analyzed samples for geochemistry and the supplementary material number 2 (SM2) contains descriptions of the analyzed samples for geochronology. The supplementary materials number 3 and 4 (SM3 and SM4) contain cathodoluminescence images from all zircon grains analysed.