Late Miocene Origin of the Benguela Upswelling System off Northern Namibia
- 18 April 1980
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 208 (4441), 283-285
- https://doi.org/10.1126/science.208.4441.283
Abstract
Deep Sea Drilling Project cores collected at site 362/362A suggest the time of initiation of the Benguela upwelling system off northern Namibia. Studies of sediment accumulation rates, diatom abundances, microfossil temperature preferences (for planktic foraminifers, calcareous nannoplankton, and silicoflagellates), productivity (expressed as the organic carbon content), and phosphorus incorporation in calcareous skeletons all suggest that major, sustained upwelling began in the early late Miocene. Upwelling brought cold, nutrient-rich waters to the surface, and the modern Benguela system dates from this time (about 10 million years before the present).This publication has 2 references indexed in Scilit:
- The Origin and Palaeoenvironment of the Namib Desert BiomeJournal of Biogeography, 1975
- The geology of the continental shelf between Luderitz and Cape Town (Southwest Africa), with special reference to Tertiary strataJournal of the Geological Society, 1973