@article{reis_nadeau_fraga_betiollo_faraco_reece_lachhman_ault_2017,  title={Stratigraphy of the Roraima Supergroup along the Brazil-Guyana border in the Guiana shield, Northern Amazonian Craton - results of the Brazil-Guyana Geology and Geodiversity Mapping Project},  volume={47},  ISSN={2317-4889},  url={https://doi.org/10.1590/2317-4889201720160139},  DOI={10.1590/2317-4889201720160139},  number={1},  journal={Brazilian Journal of Geology},  publisher={Sociedade Brasileira de Geologia},  author={Reis, Nelson Joaquim and Nadeau, Serge and Fraga, Leda Maria and Betiollo, Leandro Menezes and Faraco, Maria Telma Lins and Reece, Jimmy and Lachhman, Deokumar and Ault, Randy},  year={2017},  month={Jan},  pages={43–57} }