Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina

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...

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Autores principales: Armella, C., Cabaleri, N., Leanza, H.A.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_15145158_v_n1_p63_Armella
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spelling todo:paper_15145158_v_n1_p63_Armella2023-10-03T16:19:48Z Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina Armella, C. Cabaleri, N. Leanza, H.A. Facies/microfacies analysis Jurassic/cretaceous boundary Neuquén Basin Patch reefs Picún leufú formation Sedimentology algae Anthozoa Bryozoa 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). JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_15145158_v_n1_p63_Armella
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Facies/microfacies analysis
Jurassic/cretaceous boundary
Neuquén Basin
Patch reefs
Picún leufú formation
Sedimentology
algae
Anthozoa
Bryozoa
spellingShingle Facies/microfacies analysis
Jurassic/cretaceous boundary
Neuquén Basin
Patch reefs
Picún leufú formation
Sedimentology
algae
Anthozoa
Bryozoa
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
topic_facet Facies/microfacies analysis
Jurassic/cretaceous boundary
Neuquén Basin
Patch reefs
Picún leufú formation
Sedimentology
algae
Anthozoa
Bryozoa
description 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).
format JOUR
author Armella, C.
Cabaleri, N.
Leanza, H.A.
author_facet Armella, C.
Cabaleri, N.
Leanza, H.A.
author_sort Armella, C.
title Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina
title_short Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina
title_full Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina
title_fullStr Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina
title_full_unstemmed Patch reefs facies in the Picún Leufú Formation (Jurassic/Cretaceous boundary) in the Zapala region, Neuquén Basin, Argentina
title_sort patch reefs facies in the picún leufú formation (jurassic/cretaceous boundary) in the zapala region, neuquén basin, argentina
url http://hdl.handle.net/20.500.12110/paper_15145158_v_n1_p63_Armella
work_keys_str_mv AT armellac patchreefsfaciesinthepicunleufuformationjurassiccretaceousboundaryinthezapalaregionneuquenbasinargentina
AT cabalerin patchreefsfaciesinthepicunleufuformationjurassiccretaceousboundaryinthezapalaregionneuquenbasinargentina
AT leanzaha patchreefsfaciesinthepicunleufuformationjurassiccretaceousboundaryinthezapalaregionneuquenbasinargentina
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