Abstract
The present work aims to study quartz crystals taken from sediments of the Archipelago of Mariuá, AM, using the techniques of XRD and TL. The results will be correlated with studies of geochronology and sediment provenance. For this, around 20 samples will be collected from river terraces of the middle Rio Negro, which covers the archipelago, as well as sediments from aeolian dunes found …