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Latin American Journal of Sedimentology and Basin Analysis ISSN: 1669-7316 [email protected] Asociación Argentina de Sedimentología Argentina DEGIOVANNI, Susana; TRIPALDI, Alfonsina CASE STUDIES ON THE QUATERNARY AND GEOMORPHOLOGY OF ARGENTINA: PREFACE Latin American Journal of Sedimentology and Basin Analysis, vol. 20, núm. 2, diciembre-, 2013, pp. 65 -66 Asociación Argentina de Sedimentología .png, Argentina Available in: http://www.redalyc.org/articulo.oa?id=381737015001 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative LATIN AMERICAN JOURNAL OF SEDIMENTOLOGY AND BASIN ANALYSIS | VOL. 20 (2) 2013, 65-66 © Asociación Argentina de Sedimentología - ISSN 1851-4979 CASE STUDIES ON THE QUATERNARY AND GEOMORPHOLOGY OF ARGENTINA: PREFACE Susana DEGIOVANNI 1 - Guess Editor y Alfonsina TRIPALDI 2 - Associate Editor 1 Dept. de Geología, Universidad Nacional de Río Cuarto. Ruta Nac. Nº 36, Km 601. X5804BYA, Río Cuarto, Córdoba, Argentina. [email protected] 2 IGEBA-CONICET, Dept. de Cs. Geológicas, Universidad de Buenos Aires. Pab. 2, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina. [email protected] During the last decades there was a worldwide valleys of La Pampa province, Argentina”, Lorenzo renew interest in the study of the Quaternary and et al. deal with unconsolidated and barely exposed the Geomorphology, associated to the growing deposits closely related to a distinctive geomorphic concern regarding the environment, the landscape feature of the western Pampas, the transverse valleys use and the uncertainty about the climate change. that cross west-east that region of Argentina. These Argentina was not an exception and many regions valleys have received variable interpretations but of all the provinces were the subject of geologic there is no consensus in the geologic community research to establish the Quaternary evolution of about their origin; the mentioned paper discusses the landscape, and, in many cases, the significance novel evidence that can help to elucidate the of the inferred paleoclimatic changes. Meanwhile, evolution of this landscape. some members of the geologic community of In a second contribution, “Paleoenvironmental Argentina started to congregate and as a result analysis and interpretation of upper Quaternary the 1st Argentinian Congress of Quaternary and sequences in summit planation surfaces of center- Geomorphology (CACyG for its Spanish acronym) south of sierra de Comechingones, Córdoba, Argen- was held in Santa Rosa (La Pampa), in the year tina”, Andreazzini et al. present a case study of loess 1999. Since then, five of those meetings were /loessoid sequences situated at high altitude (1750 organized and the following one will find us next -1600 m a.s.l.) in central Argentina, loess mantles year, 8-12 April of 2015, in Ushuaia. Some of the that are less known and studied than those of the contributions presented during the 5th CACyG Pampean plain. The authors provide the geomorphic (held in Río Cuarto during 2012) dealing with context, the sedimentology and chronology of the Quaternary and Geomorphology topics were deposits, along with their paleoenvironmental and selected to send an extended version to the Latin paleoclimatic implications. American Journal of Sedimentology and Basin Ojeda et al., authors of “Eolian deposits associa- Analysis to be published as an Special Issue. As a ted with the alluvial plain of the Desaguadero River, result of that initiative we are here presenting this Mendoza Province, Argentina”, focus attention on the Special Issue “Case studies on the Quaternary and eolian component of alluvial plains developed under Geomorphology of Argentina” with four original arid-semiarid climates, showing the importance papers that received the standard peer-review of of sand and clay (lunette) dunes in the infilling of the LAJSBA and embrace different areas of central these fluvial systems. A detailed characterization to north Argentina, from the Andean piedmont to of the landscape is there presented together with the Pampean plain, the Pampean Ranges and up to a proposed evolution of the studied area of the the tropical Mesopotamia. Desaguadero River plain during the Quaternary. In the first article, “Sedimentology and strati- Finally, the last paper, “New microscopic eviden- graphy of upper Miocene deposits from the transverse ces of the autochthony of the ferrallitic pedological Recibido 5 de junio de 2014 - Aceptado 26 de junio de 2014 65 Susana DEGIOVANNI y Alfonsina TRIPALDI mantle of the Misiones Province, Argentina” by We would like to thank to the Editor G. Veiga and Moretti and Morrás, offers novel information about to the Asociación Argentina de Sedimentología for the origin of the archetypal red soils of Misiones. kindly give us the opportunity of publishing these The autochthonous or allochthonous origin of these contributions that, we hope, will be of interest to materials is there discussed, based on the analysis the scientific community and will stimulate further of thin sections and the previously published infor- research about Quaternary and Geomorphology in mation. Argentina. 66 LATIN AMERICAN JOURNAL OF SEDIMENTOLOGY AND BASIN ANALYSIS | VOL. 20 (2) 2013, 65-66.