MESOZOIC MAGMATISM IN EAST URUGUAY: PETROLOGICAL CONSTRAINTS RELATED TO THE SIERRA SAN MIGUEL REGION
This work presents new results of a detailed geological and structural investigation focusing the easternmost Uruguayan Mesozoic magmatic occurrences related to the south Atlantic opening.Lithological descriptions, their stratigraphic relationships Coaster Set and complimentary lithochemical characterizations carried out in the San Miguel region (E