The Mesoproterozoic to early Neoproterozoic passive margin Lajeado Group and Apiai Gabbro, Southeast

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The Lajeado Group in the Ribeira Belt,southeastern Brazil,corresponds to an open-sea carbonate platform,comprised of seven overlapping siliciclastic and carbonatic formations,intruded in its upper portion by the Apiai Gabbro.These rocks have a Neoproteroz
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