Post-LGM sedimentation on the outer shelf–upper slope of the northernmost part of the São Paulo Bight, southeastern Brazil
✍ Scribed by Michel Michaelovitch de Mahiques; Ilson Carlos Almeida da Silveira; Silvia Helena de Mello e Sousa; Marcelo Rodrigues
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 838 KB
- Volume
- 181
- Category
- Article
- ISSN
- 0025-3227
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✦ Synopsis
Sedimentary and isotope data as well as 14 C AMS dating on 15 box cores were used to identify the main post-Last Glacial Maximum (LGM) processes in the outer shelf and upper slope of the northernmost part of the Sa ¬o Paulo Bight, southeastern Brazil. Results show slight but significant variations in calcium carbonate, total sulphur and nitrogen contents as well as carbon and oxygen isotope ratios. Sedimentation rates, varying from 5 to 184 mm kyr 31 are controlled by the shelf and upper slope morphology, the Brazil Current meander dynamics, and the Coastal Water offshore motion.