Abstract:
In this paper are discussed the first absolute ages obtained for Holocene lacustrine deposits found in the upper reach of the Jáchal River. The Quaternary record has been divided in three informal alloformations, each one of them characterizing different stages in the evolution of the intramontane quaternary fill. Lacustrine sediments belonging to the alloformation 2 and fluvial terraces corresponding to the alloformation 3 were dated in this contribution. According to the obtained ages the lacustrine episode would have begun in the Early Holocene (8930±50 AP) and continued at least by 2400 years (until 6,497±45 AP). As a consequence of the damming break took place a large hiatus until the formation of the fluvial terraces corresponding to the alloformation 3 which were dated in 978±20 AP and 525±32 AP. © 2005 Asociación Geológica Argentina.
Registro:
Documento: |
Artículo
|
Título: | First absolute ages for holoceno lacustrine deposits of the Jáchal River, Precordillera of San Juan |
Autor: | Colombo, F.; Limarino, C.; Busquets, P.; Solé De Porta, N.; Heredia, N.; Rodríguez-Fernández, R.; Alvarez-Marron, J. |
Filiación: | Dpt. Estratigrafia, Paleontologia y Geociencias Marinas, Universidad de Barcelona, c/Martí i Franqués s/n, E-08028 Barcelona, Spain CONICET, Departamento de Geología, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina Instituto Geológico, Minero de España. Parque Científico de León, Av. Real, 1, E-24006 León, Spain Instituto Geológico, Minero de España, C/Calera 1. Tres Cantos, E-28760 Madrid, Spain Instituto de Ciencias de la Tierra Jaume Almera, CSIC, c/Solé i Sabarís, s/n, E-08028 Barcelona, Spain
|
Palabras clave: | Holoceno; Lacustrine; Precordillera; fill; geochronology; hiatus; Holocene; intramontane basin; lacustrine deposit; river terrace; Argentina; Jachal River; Precordillera; San Juan [Argentina]; South America |
Año: | 2005
|
Volumen: | 60
|
Número: | 3
|
Página de inicio: | 605
|
Página de fin: | 608
|
Título revista: | Revista de la Asociacion Geologica Argentina
|
Título revista abreviado: | Rev. Asoc. Geol. Argent.
|
ISSN: | 00044822
|
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v60_n3_p605_Colombo |
Referencias:
- Busquets Buezo, P., Colombo Piñol, F., Heredia, N., Rodriguez Fernandez, R., Sole de Porta, N., Alvarez Marron, J., El Holoceno del valle del río Jáchai, Precordillera Andina (San Juan, Argentina): Caracterización sedimentológica, estratigráfica y palinológica (2002) 15° Congreso Geológico Argentino, Actas, 1, pp. 765-770. , El Calafate
- Colombo, F., Busquets, P., Ramos-Guerrero, E., Sole de Porta, N., Verges, J., Ragona, D., Geodynamic implications of the Quaternary terraces along the San Juan river area, San Juan province, Argentina (1997) 1° Latinamerican Congress of Sedimentology, 1 (5), pp. 211-213. , Actas , Caracas
- Colombo, F., Busquets, P., Ramos, E., Vergés, J., Ragona, D., Quaternary alluvial terraces in an active rectonic region: The San Juan River Valley Andean Ranges, San Juan Province, Argentina (2000) Journal of South American Earth Sciences, 13 (7), pp. 611-626
- Furque, G., Descripción Geológica de la Hoja 16c Jáchal (1979) Servicio Geológico Nacional, Boletín, 164. , 79p
- Jordan, T.E., Drake, R.E., Naeser, C.W., Estratigrafía del Cenozoico medio en la Precordillera a la latitud del río Jáchal, San Juan, Argentina (1993) 12° Congreso Geológico Argentino y 2° Congreso de Exploración de Hidrocarburos, 2, pp. 132-141. , Adas, Mendoza
Citas:
---------- APA ----------
Colombo, F., Limarino, C., Busquets, P., Solé De Porta, N., Heredia, N., Rodríguez-Fernández, R. & Alvarez-Marron, J.
(2005)
. First absolute ages for holoceno lacustrine deposits of the Jáchal River, Precordillera of San Juan . Revista de la Asociacion Geologica Argentina, 60(3), 605-608.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v60_n3_p605_Colombo [ ]
---------- CHICAGO ----------
Colombo, F., Limarino, C., Busquets, P., Solé De Porta, N., Heredia, N., Rodríguez-Fernández, R., et al.
"First absolute ages for holoceno lacustrine deposits of the Jáchal River, Precordillera of San Juan "
. Revista de la Asociacion Geologica Argentina 60, no. 3
(2005) : 605-608.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v60_n3_p605_Colombo [ ]
---------- MLA ----------
Colombo, F., Limarino, C., Busquets, P., Solé De Porta, N., Heredia, N., Rodríguez-Fernández, R., et al.
"First absolute ages for holoceno lacustrine deposits of the Jáchal River, Precordillera of San Juan "
. Revista de la Asociacion Geologica Argentina, vol. 60, no. 3, 2005, pp. 605-608.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v60_n3_p605_Colombo [ ]
---------- VANCOUVER ----------
Colombo, F., Limarino, C., Busquets, P., Solé De Porta, N., Heredia, N., Rodríguez-Fernández, R., et al. First absolute ages for holoceno lacustrine deposits of the Jáchal River, Precordillera of San Juan . Rev. Asoc. Geol. Argent. 2005;60(3):605-608.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v60_n3_p605_Colombo [ ]