Title: APTIAN-ALBIAN PLANKTIC FORAMINIFERA FROM DSDP SITE 364 (OFFSHORE ANGOLA): BIOSTRATIGRAPHY, PALEOECOLOGY, AND PALEOCEANOGRAPHIC SIGNIFICANCE
Abstract: Research Article| October 01, 2013 APTIAN–ALBIAN PLANKTIC FORAMINIFERA FROM DSDP SITE 364 (OFFSHORE ANGOLA): BIOSTRATIGRAPHY, PALEOECOLOGY, AND PALEOCEANOGRAPHIC SIGNIFICANCE Karlos G. D. Kochhann; Karlos G. D. Kochhann 4 1ITT FOSSIL—Instituto Tecnológico de Micropaleontologia, Universidade do Vale do Rio dos Sinos, Bloco 6K, Av. UNISINOS, 950, 93022-000, São Leopoldo, RS, Brazil 4Correspondence author. E-mail: [email protected] Search for other works by this author on: GSW Google Scholar Eduardo A. M. Koutsoukos; Eduardo A. M. Koutsoukos 2Institut für Geowissenschaften, Universität Heidelberg, Im Neuenheimer Feld 234, 69120 Heidelberg, Germany Search for other works by this author on: GSW Google Scholar Gerson Fauth; Gerson Fauth 1ITT FOSSIL—Instituto Tecnológico de Micropaleontologia, Universidade do Vale do Rio dos Sinos, Bloco 6K, Av. UNISINOS, 950, 93022-000, São Leopoldo, RS, Brazil Search for other works by this author on: GSW Google Scholar Alcides N. Sial Alcides N. Sial 33 NEG-LABISE, Departamento de Geologia, Universidade Federal de Pernambuco, 50670-000, Recife, PE, Brazil Search for other works by this author on: GSW Google Scholar Journal of Foraminiferal Research (2013) 43 (4): 443–463. https://doi.org/10.2113/gsjfr.43.4.443 Article history received: 16 Oct 2012 accepted: 16 Jun 2013 first online: 03 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation Karlos G. D. Kochhann, Eduardo A. M. Koutsoukos, Gerson Fauth, Alcides N. Sial; APTIAN–ALBIAN PLANKTIC FORAMINIFERA FROM DSDP SITE 364 (OFFSHORE ANGOLA): BIOSTRATIGRAPHY, PALEOECOLOGY, AND PALEOCEANOGRAPHIC SIGNIFICANCE. Journal of Foraminiferal Research 2013;; 43 (4): 443–463. doi: https://doi.org/10.2113/gsjfr.43.4.443 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentBy SocietyJournal of Foraminiferal Research Search Advanced Search Abstract This work presents a taxonomic, biostratigraphic and paleoecological study of planktic foraminifera recovered from the Aptian–Albian carbonate-dominated succession of Deep Sea Drilling Project (DSDP) Site 364, located in the Kwanza Basin (offshore Angola). Twenty-nine planktic foraminiferal species were identified, enabling the identification of late Aptian–late Albian biozones, from the Hedbergella trocoidea Zone to the Pseudothalmanninella ticinensis Zone. A major unconformity from the latest early–earliest late Albian was identified in core 31, with the Microhedbergella rischi Zone in direct contact with the Pseudothalmanninella ticinensis Zone. The recovered assemblages are characterized by open marine epipelagic dwellers and indicate predominant mesotrophic environmental conditions throughout the studied stratigraphic succession. Aptian planktic foraminiferal assemblages have a tropical/subtropical paleobiogeographic affinity, supporting a surface-water connection between the central proto-Atlantic Ocean and the northern South Atlantic Ocean (north of the Walvis Ridge-Rio Grande Rise) by the late Aptian. Trends in isotopic values for δ13C suggest a late Aptian age (Globigerinelloides algerianus Zone) for the stratigraphic interval from core 42 to ~core 37, where age-diagnostic foraminiferal species are missing. Black shale levels in cores 42–39 are probably the local expression of the "late Aptian anoxic event." You do not currently have access to this article.
Publication Year: 2013
Publication Date: 2013-10-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 20
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