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Abstract:

Upper Jurassic calcareous nannofossil assemblages have been studied from strata cored over basement blocks now buried under the Iberia Abyssal Plain (Ocean Drilling Program Leg 173 Sites 1065 and 1069). The youngest Jurassic assemblages at each site are Tithonian in age, the same as those at nearby Leg 149 Site 901, an age that predates the breakup of the Iberia continental margin. The paucity of the assemblages, the prevalence of coccospheres, and the relatively high organic contents of the fine clastic sediments in which they occur are characteristic of a restricted interior basin that had little communication with the open ocean. During the major rifting episode (a Berriasian event), the Jurassic sequences were dispersed along with their underlying blocks of presumed continental crust across the ocean-continent transition of the Iberia Abyssal Plain, probably as a result of detachment faulting.

Registro:

Documento: Artículo
Título:Jurassic calcareous nannfossils from prefit sediments drilled during ODP Leg 173, Iberia Abyssal plain, and their implications for rift tectonics
Autor:Concheryo, A.; Wise S.W., Jr.
Filiación:Cat. De Paleontologia, Departamento de Ciencias Geologicas, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
Palabras clave:Jurassic; nannofossil; Ocean Drilling Program; rifting; tectonic setting; Atlantic Ocean
Año:2001
Volumen:173
Página de inicio:1
Página de fin:24
Título revista:Proceedings of the Ocean Drilling Program: Scientific Results
Título revista abreviado:Proc. Ocean Drill. Program Sci. Res.
ISSN:08845891
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08845891_v173_n_p1_Concheryo

Referencias:

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Citas:

---------- APA ----------
Concheryo, A. & Wise S.W., Jr. (2001) . Jurassic calcareous nannfossils from prefit sediments drilled during ODP Leg 173, Iberia Abyssal plain, and their implications for rift tectonics. Proceedings of the Ocean Drilling Program: Scientific Results, 173, 1-24.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08845891_v173_n_p1_Concheryo [ ]
---------- CHICAGO ----------
Concheryo, A., Wise S.W., Jr. "Jurassic calcareous nannfossils from prefit sediments drilled during ODP Leg 173, Iberia Abyssal plain, and their implications for rift tectonics" . Proceedings of the Ocean Drilling Program: Scientific Results 173 (2001) : 1-24.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08845891_v173_n_p1_Concheryo [ ]
---------- MLA ----------
Concheryo, A., Wise S.W., Jr. "Jurassic calcareous nannfossils from prefit sediments drilled during ODP Leg 173, Iberia Abyssal plain, and their implications for rift tectonics" . Proceedings of the Ocean Drilling Program: Scientific Results, vol. 173, 2001, pp. 1-24.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08845891_v173_n_p1_Concheryo [ ]
---------- VANCOUVER ----------
Concheryo, A., Wise S.W., Jr. Jurassic calcareous nannfossils from prefit sediments drilled during ODP Leg 173, Iberia Abyssal plain, and their implications for rift tectonics. Proc. Ocean Drill. Program Sci. Res. 2001;173:1-24.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08845891_v173_n_p1_Concheryo [ ]