Análise petrográfica e proveniência do Arenito Pedreira ...
In the south-west portion of the Parana Basin, there is a unit informally called Pedreira Sandstone. In order to define the stratigraphic relations and to characterize this unit, two boreholes were evaluated and representative samples were selected for petrographic analysis and modal counting of the constituents in order to define its provenance. The Pedreira …
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