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Abstract:

In the locality of Cerrito Caracoles, situated in the nearby of Zapala city, in the western central region of the Neuquén province, Argentina, the basal part of the Picún Leufú Formation (Jurassic/Cretaceous boundary) crops out. The facies and microfacies association analysis points out to an inner shelf margin environment, with development of well preserved patch reefs. The description of these bodies (coral and algae bafflestone, bryozoan bafflestone and algal boundstone), and of a low relief mound reef (skeletal algal packstone) are presented in this paper. The associated facies are represented by low energy deposits (mudstone), bar complexes (sandy skeletal packstone and skeletal packstone) and channels (skeletal intraclast floatstone and intraclast skeletal ooidal floatstone).

Registro:

Documento: Artículo
Título:Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina
Autor:Armella, C.; Cabaleri, N.; Leanza, H.A.
Filiación:CONICET-UBA, Pabellón INGEIS, Ciudad Universitaria, 1428 Buenos Aires, Argentina
CONICET-SEGEMAR, Av. Julio A. Roca 651, 10o piso, 1322 Buenos Aires, Argentina
Palabras clave:Facies/microfacies analysis; Jurassic/cretaceous boundary; Neuquén Basin; Patch reefs; Picún leufú formation; Sedimentology; algae; Anthozoa; Bryozoa
Año:2008
Número:1
Página de inicio:63
Página de fin:70
Título revista:Revista del Museo Argentino de Ciencias Naturales, Nueva Serie
Título revista abreviado:Rev. Museo Argentino Cienc. Nat. Nuev Serie
ISSN:15145158
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v_n1_p63_Armella

Referencias:

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Citas:

---------- APA ----------
Armella, C., Cabaleri, N. & Leanza, H.A. (2008) . Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie(1), 63-70.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v_n1_p63_Armella [ ]
---------- CHICAGO ----------
Armella, C., Cabaleri, N., Leanza, H.A. "Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina " . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie, no. 1 (2008) : 63-70.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v_n1_p63_Armella [ ]
---------- MLA ----------
Armella, C., Cabaleri, N., Leanza, H.A. "Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina " . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie, no. 1, 2008, pp. 63-70.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v_n1_p63_Armella [ ]
---------- VANCOUVER ----------
Armella, C., Cabaleri, N., Leanza, H.A. Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina . Rev. Museo Argentino Cienc. Nat. Nuev Serie. 2008(1):63-70.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v_n1_p63_Armella [ ]