Landslides north of Tricao Malal village (Northern Neuquén)

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Large landslides of different types not previously recorded are located in the left bank of the Río Curri Leuvú valley, north of the Tricao Malal village. There are situated among the Cerro Palao and the Palao pond and Riscos Negros site to the north. The largest landslides (Malal Cura and Arroyo Mo...

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Autor principal: Díaz, E.F.G.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 2009
Materias:
Curri leuvú
Flows
Malal cura
River
Rotational slide
basalt
Cenozoic
debris flow
fluvial geomorphology
geological survey
geomorphological response
hypothesis testing
landslide
Mesozoic
Miocene
paleoclimate
Postglacial
precipitation intensity
rainfall
rock glacier
sedimentary rock
Argentina
Neuquen
Tricao Malal
Cura
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00044822_v65_n3_p545_Diaz
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paperaa:paper_00044822_v65_n3_p545_Diaz
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spelling paperaa:paper_00044822_v65_n3_p545_Diaz2023-06-12T16:40:26Z Landslides north of Tricao Malal village (Northern Neuquén) Rev. Asoc. Geol. Argent. 2009;65(3):545-550 Díaz, E.F.G. Curri leuvú Flows Malal cura River Rotational slide basalt Cenozoic debris flow fluvial geomorphology geological survey geomorphological response hypothesis testing landslide Mesozoic Miocene paleoclimate Postglacial precipitation intensity rainfall rock glacier sedimentary rock Argentina Neuquen Tricao Malal Cura Large landslides of different types not previously recorded are located in the left bank of the Río Curri Leuvú valley, north of the Tricao Malal village. There are situated among the Cerro Palao and the Palao pond and Riscos Negros site to the north. The largest landslides (Malal Cura and Arroyo Mogolillo landslides) correspond to the multiple rotational progressive type. They are developed on Mesozoic sedimentary rocks, covered by Cenozoic basalt flows. The debris and earth flows are developed in areas covered by the volcanic rocks of the Charilehue Formation (Middle Miocene) and continue north of study reaching the latitudes of the Grande and Medio streams and also the Colimamil stream valley southeast of Cerro Domuyo. The impact of these phenomena in the fluvial system was important and produced ephemeral and permanent blocking as seen in the La Turbia stream with coeval ponding. It is hypothesized that the landslide occurrence is related to excess or long-lasting periods of rain in postglacial times. It is also indicated the presence of rock glaciers in the Cerro Palao. 2009 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00044822_v65_n3_p545_Diaz
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic Curri leuvú
Flows
Malal cura
River
Rotational slide
basalt
Cenozoic
debris flow
fluvial geomorphology
geological survey
geomorphological response
hypothesis testing
landslide
Mesozoic
Miocene
paleoclimate
Postglacial
precipitation intensity
rainfall
rock glacier
sedimentary rock
Argentina
Neuquen
Tricao Malal
Cura
spellingShingle Curri leuvú
Flows
Malal cura
River
Rotational slide
basalt
Cenozoic
debris flow
fluvial geomorphology
geological survey
geomorphological response
hypothesis testing
landslide
Mesozoic
Miocene
paleoclimate
Postglacial
precipitation intensity
rainfall
rock glacier
sedimentary rock
Argentina
Neuquen
Tricao Malal
Cura
Díaz, E.F.G.
Landslides north of Tricao Malal village (Northern Neuquén)
topic_facet Curri leuvú
Flows
Malal cura
River
Rotational slide
basalt
Cenozoic
debris flow
fluvial geomorphology
geological survey
geomorphological response
hypothesis testing
landslide
Mesozoic
Miocene
paleoclimate
Postglacial
precipitation intensity
rainfall
rock glacier
sedimentary rock
Argentina
Neuquen
Tricao Malal
Cura
description Large landslides of different types not previously recorded are located in the left bank of the Río Curri Leuvú valley, north of the Tricao Malal village. There are situated among the Cerro Palao and the Palao pond and Riscos Negros site to the north. The largest landslides (Malal Cura and Arroyo Mogolillo landslides) correspond to the multiple rotational progressive type. They are developed on Mesozoic sedimentary rocks, covered by Cenozoic basalt flows. The debris and earth flows are developed in areas covered by the volcanic rocks of the Charilehue Formation (Middle Miocene) and continue north of study reaching the latitudes of the Grande and Medio streams and also the Colimamil stream valley southeast of Cerro Domuyo. The impact of these phenomena in the fluvial system was important and produced ephemeral and permanent blocking as seen in the La Turbia stream with coeval ponding. It is hypothesized that the landslide occurrence is related to excess or long-lasting periods of rain in postglacial times. It is also indicated the presence of rock glaciers in the Cerro Palao.
format Artículo
Artículo
publishedVersion
author Díaz, E.F.G.
author_facet Díaz, E.F.G.
author_sort Díaz, E.F.G.
title Landslides north of Tricao Malal village (Northern Neuquén)
title_short Landslides north of Tricao Malal village (Northern Neuquén)
title_full Landslides north of Tricao Malal village (Northern Neuquén)
title_fullStr Landslides north of Tricao Malal village (Northern Neuquén)
title_full_unstemmed Landslides north of Tricao Malal village (Northern Neuquén)
title_sort landslides north of tricao malal village (northern neuquén)
publishDate 2009
url http://hdl.handle.net/20.500.12110/paper_00044822_v65_n3_p545_Diaz
work_keys_str_mv AT diazefg landslidesnorthoftricaomalalvillagenorthernneuquen
_version_ 1769810151883145216

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