@article{article057c8669, title = {Melanite-bearing nepheline syenite fragments and 40Ar/39Ar age of phlogopite megacrysts in conduit breccia from the Poços de Caldas Alkaline Massif (MG/SP), and implications}, author = {Vlach, Silvio Roberto Farias and Ulbrich, H. and Ulbrich, Mabel N. C. and Vasconcelos, Paulo Marcos}, year = {2018}, doi = {10.1590/2317-4889201820170095}, journal = {Brazilian Journal of Geology} }