Cohesive breccias and microbreccias in quartzites in the Buenos Aires ranges: Similitude, differences, and an approximation to their tectonic links

• Main Authors: Massabie, Armando Carlos, Nestiero, Osvaldo E.
• Language: unknown
• Published: 2008
• Subjects: Breccias; Fault rocks; Microbreccia cohesive; Sierras de Buenos Aires; breccia; deformation mechanism; extensional tectonics; fault zone; faulting; greenschist facies; metamorphism; outcrop; Precambrian; protolith; quartzite; tectonic setting; Argentina; Buenos Aires [Argentina]; Sierras Australes; Sierras Septentrionales; South America; Wall Rocks; South Atlantic Ocean
• Online Access: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v63_n2_p163_Massabie; https://hdl.handle.net/20.500.12110/paper_00044822_v63_n2_p163_Massabie

Quartzitic sandstones of the sierras Bayas Group in Sierras Septentrionales of Buenos Aires are studied. Outcrops of these deformed rocks are observed at sierras Bayas and Barker localities, where quartzitic sandstones from Precambrian units are present. These rocks are compared with similar fault b...