Abstract
Dating sediments from Paranaguá Barrier has correlation with the knowledge of the relative sea level in the past, which was one the important cause of the formation of the state of Paranaguá costal plane. This is, of course, of great interest to Quaternary geologists. The Paranaguá Barrier extend for almost 25 km from the coast. The first 7 or 8 km is of Holocene origin, the remaining par…