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New evidence of an Ediacaran age for the Bambui Group in southern Sao Francisco...

Paula-Santos, Gustavo Macedo; Babinski, Marly; Kuchenbecker, Matheus; Caetano-Filho, Sergio [UNESP]; Trindade, Ricardo Ivan

Made available in DSpace on 2018-11-26T15:27:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-09-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Extensive carbonate-siliciclastic successions of the Bambui Group, which overlie Neoproterozoic glaciogenic diamictites, cover most of the southern Sao Francisco craton (eastern Brazil). This group records sedimentation in a foreland setting...

Date: 2018   |   Origin: Oasisbr

Ion Exchange Chromatography and Mass Bias Correction for Accurate and Precise Z...

Araújo, Daniel F.; Boaventura, Geraldo R.; Viers, Jerôme; Mulholland, Daniel S.; Weiss, Dominik; Araújo, Débora; Lima, Bárbara; Ruiz, Izabel

Precise and accurate d66/64Zn data for environmental reference materials (RMs) including rocks, sediments, soils and plants are presented in order to improve the metrological traceability and analytical control of Zn isotope ratio determinations in future environmental studies. Previously developed ion exchange chromatography protocols were adjusted to enable faster sample throughput and instrumental mass bias ...

Date: 2018   |   Origin: Oasisbr

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