U-Pb dating, Lu-Hf isotope systematics and chemistry of zircon from the Morro do Polvilho meta-trachydacite: constraints on sources of magmatism and on the depositional age of the São Roque Group

Autor: Valdecir de Assis Janasi, Ginaldo Ademar da Cruz Campanha, Renato Henrique-Pinto

Publikováno v: Geologia USP. Série Científica, Vol 18, Iss 2 (2018)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

We present new in situ geochronological data of controversial silicic metavolcanic rocks from the lower terrigenous-metavolcanic sequence of the São Roque Group, Ribeira Belt, confirming that they are older than the rocks of higher-metamorphic grade

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5469058afc070b4e43e6cd2a1c9c8316
https://doi.org/10.11606/issn.2316-9095.v18-125793