The granite contains dioritic to tonalitic mafic enclaves.
Bellos, L. I., Toselli, A. J., Rossi, J. N., Grosse, P., de la Rosa, J. D., Castro,A. 2010, 'Caracterización petrográfica y geoquímica y condiciones de deformación del plutónSan Cristóbal, Sierra de Velasco (La Rioja, Argentina)', Estudios Geologicoshttp://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/789/817. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The trondhjemitic and tonalitic end members are metaluminous, magnesian and calcicto calc-alkalic, characteristic of magnesian group charnockites.
H.M. Rajesh 2012, 'A geochemical perspective on charnockite magmatism in Peninsular India', Geoscience Frontiershttp://www.sciencedirect.com/science/article/pii/S1674987112000588. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)