ISLA Federico Ignacio
capítulos de libros
Sea level changes during the Marine Isotopic Stage 3 in Argentina
ISLA, F.; SCHNACK E ,J
The isotopic stage 3 in Argentina and Southern South America 60,000 to 25,000
Lugar: amsterda; Año: 2016; p. 147 - 154
Marine Isotopic Stage 3 (MIS 3) was a period of rapid climatic changes and sea-level fluctuations. Regarding these fluctuations some doubts were based on the limit of the radiocarbon dating method (about 50,000 years B.P.). However, the modelling of the isotopic oxygen ratios is also indicating sea-level fluctuations. In this sense, only at certain depths it is possible to accept these ages at stable coasts, and taking note about the taphonomic conditions within the sequence. Shells located at depths higher than 60 m on stable and wide continental shelves as that of the Northern Patagonia have been analysed here in that sense.