Adriana Mónica Blasi

Adriana Mónica Blasi
  • PhD
  • Researcher at National University of La Plata

About

108
Publications
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1,516
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Current institution
National University of La Plata
Current position
  • Researcher

Publications

Publications (108)
Article
Concentrations of polycyclic aromatic hydrocarbons were assessed in a sediment core retrieved from Nutrias Lagoon, located within the Rocha Lagoon Protected Area along the SE Uruguayan coast. Using a 210Pb chronology, we reconstructed the historical accumulation of polycyclic aromatic hydrocarbons over the past 123 years (1895–2018). This study, th...
Article
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This research delves into ancient pigment practices among the Goya‐Malabrigo societies in the Upper Delta of the Paraná River during the Late Holocene. Utilising Raman microspectroscopy and X‐ray diffraction, we analysed 33 samples from six archaeological sites and four natural outcrops. Our discoveries uncovered hematite in red pigments across div...
Chapter
The Hangar site is located in the Pampas region and has a high relative occurrence of silicified limestone, a raw material not available in the nearest outcrops usually exploited. The main objective of this chapter is to evaluate and discuss the frequency and use of this rock at Hangar. These data are compared and integrated with information from o...
Article
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Las materias primas líticas presentes en la cuenca media del río Uruguay son frecuentemente mencionadas en la arqueología del noreste argentino y zonas vecinas debido a la existencia de numerosos afloramientos primarios y depósitos secundarios de rocas ígneas, criptocristalinas, metamórficas y sedimentarias óptimas para la talla. Con el objetivo de...
Conference Paper
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RESUMEN La cuenca media del río Uruguay ha sido destacada en la literatura arqueológica sudamericana en diversos tópicos, siendo un área protagónica en cuanto a la resolución de la antigüedad del poblamiento continental y de su desarrollo cultural durante el Holoceno. Un hito fundamental en la generación de la información arqueológica que sustentó...
Book
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E-ATLAS OF HEAVY MINERALS IN LOOSE GRAIN MOUNTING: Practical Guide for the Recognition of Detrital Traslucent Heavy Minerals
Article
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Resumen En este trabajo se exponen los resultados obtenidos del análisis petrográfico realizado sobre 21 muestras de artefactos líticos confeccionados sobre diversas materias primas recuperadas en estratigrafía en el sitio Arroyo Seco 2 (partido de Tres Arroyos, provincia de Buenos Aires). Los fechados radiocarbónicos sitúan a las ocupaciones human...
Chapter
This chapter is focused on the main geological, geomorphological, and sedimentological characteristics of the Piedra Museo locality in order to achieve a better understanding of the significance of the archaeological record. A hierarchical spatial scale analysis (regional scale, areal scale, local scale, site scale) was used to interpret the AEP-1...
Article
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Con la finalidad de contribuir al conocimiento de la evolución paleoambiental y paleoclimática ocurrida desde el Pleistoceno Tardío hasta el Holoceno Tardío en la Pampa Ondulada, noreste de la provincia de Buenos Aires, se presentan los resultados obtenidos en las investigaciones interdisciplinarias efectuadas en la cuenca hídrica Salto-Arrecifes....
Article
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Late Holocene record of the brine shrimp Artemia sp. fecal pellets and cysts in association with evaporitic minerals from Chasicó Lake (Buenos Aires Province, Argentina): implications as paleoenvironmental indicators Fecal pellets and cysts of the brine shrimp Artemia (Crustacea, Branchiopoda, Anostraca) constitute an important component of the bi...
Article
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El presente trabajo se centra en la discusión de los recientes resultados arqueológicos alcanzados en ambas márgenes del litoral (oriental y occidental) de la cuenca media del río Uruguay. Mediante la realización de trabajos sistemáticos de campo y del análisis de múltiples líneas de evidencias se ha generado información novedosa sobre la distribuc...
Article
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This paper focuses on the assessment of recent data recovered in both margins of the middle Uruguay River basin. The new information was generated from fieldwork and laboratory analyses concerning the spatial distribution of lithic, pottery and other archaeological remains, chronological data, and fluvial landform evolution. This research aims to u...
Article
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ANALYSIS AND DATING OF THE FAUNISTIC COLLECTION OF THE CAÑADA ROCHA SITE (DE LUJÁN, BUENOS AIRES PROVINCE). Bone remains from the Ameghino collection deposited in the La Plata Museum from the Cañada Rocha site are analyzed. Two new dates, physicochemical analysis, and new isotopic results performed on 12 samples of the collection are presented. The...
Article
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The Santa María valley is located in the northern sector of the Sierras Pampeanas in Northwest Argentina. In spite of its arid characteristics, it was a densely populated area during the Pre-hispanic period. The populations developed an agropastoral economy, taking advantage of the wetter epochs that characterized some periods. The study of fluvio-...
Article
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En este estudio se presenta la comparación de depósitos de ambientes silicoclásticos actuales con los correspondientes al Pleistoceno-Holoceno del SE de la costa bonaerense donde se ha reconocido actividad microbiana en los sedimentos. Se comparan las diversas características sedimentológicas de las acumulaciones, entre ellas la fábrica, granulomet...
Article
Earthworks are one of the most distinctive archaeological features in the wetland landscapes of South America. Herein, we provide a case study from one of the southernmost expressions of this earthworking phenomenon, the Paraná River Delta. In this flood-prone wetland, occupation strategies included the construction and habitation of earth-mounds a...
Article
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In this paper, we present the results of the geoarchaeological studies carried out in two archaeological localities of the Upper Delta of the Paraná River (Argentina). The main objective of these studies is to depict the pre-Hispanic strategies involved in the colonization and settlement of southern South America wetlands. Paraná Delta is one of th...
Data
Earthworks are one of the most distinctive archaeological features in the wetland landscapes of South America. Herein, we provide a case study from one of the southernmost expressions of this earthworking phenomenon, the Paraná River Delta. In this flood-prone wetland, occupation strategies included the construction and habitation of earth-mounds a...
Chapter
Full-text available
A depositional unit called DU2 identified for the period MIS 3 (ca—30,000–60,000 year B.P.) formed by only one sedimentary facies (F3) was found in the Luján and Salto-Arrecifes rivers basins. F3 is a fluvio–lacustrine unit that overlies in erosive unconformity over eolian sediments with ages of 56,400 ± 6500 and 50,400 ± 10,200 years B.P. and is u...
Article
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Abstract The Arroyo Seco 2 site contains a rich archaeological record, exceptional for South America, to explain the expansion of Homo sapiens into the Americas and their interaction with extinct Pleistocene mammals. The following paper provides a detailed overview of material remains found in the earliest cultural episodes at thismulti-component s...
Data
Excavation grids at the Arroyo Seco 2 site (2015). (TIF)
Data
Examples of extinct Pleistocene bone with extensive natural modifications. (A) indeterminate megamammal fragment with extensive weathering (not dated). (B) ulna from Equidae sp. with close-up of carnivore punctures (no dated). (C) carpal bone of Toxodon plantensis with weathering and large rodent marks, dated 11,750 ± 70 yr B.P. (CAMS-16389) and 11...
Data
Google Earth file (.KMZ) of the location of the Arroyo Seco 2 site. (KML)
Data
The taphonomic modifications identified on extinct Pleistocene mammals. (DOCX)
Data
Examples of extinct Pleistocene bone with evidence of fresh fractures. (A-C) indeterminate megamammal fragments (not dated). (TIF)
Data
Quartzite artifacts from the base of Unit Y and Unit S. (A) retouched flake (Unit S; 1.08 m below surface; FCS.AS2.11247); (B) retouched flake (Unit Y; 0.76 m below surface; FCS.AS2.11247); (C) retouched flake (Unit Y; 0.77 m below surface; FCS.AS2.11351); (D) retouched flake (Unit S; 1.03 m below surface; FCS.AS2.11257); (E) core (Unit Y; 0.70 m b...
Conference Paper
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En ambientes transicionales actuales del SE de la provincia de Buenos Aires se ha reconocido en los últimos años la formación de diversos rasgos y estructuras sedimentarias inducidas por la actividad microbiana (ESIAM). La observación simultánea de los procesos dinámicos que tienen lugar en el área permitió no sólo la clasificación de las estructur...
Article
The results of the analysis of hair remains from a hunter-gatherer grave from northern Patagonia are presented in this paper. One of the samples analyzed consisted in hair that remained attached to the hide used to manufacture a small pouch left in the burial pit as a funerary offering. The second sample was taken from the inside of the same pouch....
Article
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The aim of this paper is to discuss the origin of a series of cavities from an area of the Atlantic coast in the Pampean Region known as the Caracolero from Claromecó (Tres Arroyos County, Buenos Aires Province, Argentina) which, have been interpreted as human footprints. They are located on a rock that outcrops on the littoral abrasion platform. T...
Chapter
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In this chapter we present the distribution of the agricultural Prehispanic settlements (100-1536 AD) of the central section of the Quilmes Ranges. We started by the photointerpretation of the geomorphology of the area and the characterization of its basins constructing a GIS. Pedestrian surveys were made and superficial potsherds were collected as...
Chapter
Full-text available
A depositional unit called DU2 identified for the period MIS 3 (ca—30,000–60,000 year B.P.) formed by only one sedimentary facies (F3) was found in the Luján and Salto-Arrecifes rivers basins. F3 is a fluvio–lacustrine unit that overlies in erosive unconformity over eolian sediments with ages of 56,400 ± 6500 and 50,400 ± 10,200 years B.P. and is u...
Article
Full-text available
Coastal microrelief vs. human ichnites in El Caracolero (Claromecó, Argentina) The aim of this paper is to discuss the origin of a series of cavities from an area of the Atlantic coast in the Pampean Region known as the Caracolero from Claromecó (Tres Arroyos County, Buenos Aires Province, Argentina) which, have been interpreted as human footprint...
Article
Full-text available
RESUMEN Las estructuras monticulares en tierra, generalmente conocidas en la cuenca del Plata como " cerri-tos " , constituyen el registro arquitectónico más característico del Holoceno. En la región del delta del río Paraná, la presencia de estas estructuras ha sido reconocida por diferentes autores desde finales del siglo XIX, y desde entonces se...
Article
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The earthen mound structures, known in the Plata Basin as "cerritos" are the most common and characteristic architectural structures register during the Holocene. At the regio of the upper Delta of the Paraná River, the presence of these structures has been recognized by differen authors since the late nineteenth century and since then it has been...
Data
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Article
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This paper introduces the results of the study of the silicifications from the Meseta del Fresco (Fresco Formation), a vast source of chert in La Pampa province (Argentina), that was widely used by hunter-gatherer groups from the Pampas as a source of raw material. For it, the petrographic analysis of different thin sections, both from geological s...
Article
Full-text available
Las construcciones monticulares en tierra constituyen uno de los registros característicos de la arqueología de las Tierras Bajas sudamericanas. La presencia de estos rasgos en el Delta del río Paraná y el registro cultural preservado en el interior de las mismas, captó la atención académica desde finales del siglo XIX. Desde ese tiempo y hasta el...
Article
Full-text available
This paper introduces the results of the study of the silicifications from the Meseta del Fresco (Fresco Formation), a vast source of chert in La Pampa province (Argentina), that was widely used by hunter-gatherer groups from the Pampas as a source of raw material. For it, the petrographic analysis of different thin sections, both from geological s...
Article
Full-text available
The construction of earth mounds (locally called cerritos or túmulos), are one of the main characteristics of the South American Lowland archaeology record. The presence of this landscape feature in the Paraná River Delta and the archaeological materials from them captured academic attention since the end of the 19th Century. From that time until t...
Presentation
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Miss 3 in the Boanerense Pampa Ondulada. Cronology ages.
Article
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Pre-Hispanic mounds, known as “cerritos,” “cerritos de indios,” or “aterros” across southeastern South America, are one of the most conspicuous and well-studied cultural manifestations in lowlands archaeology. Nevertheless, in the Upper Delta of the Paraná River, mounds are rarely studied, and even their anthropic origin is under debate. This could...
Article
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The evolution of littoral palaeoenvironments in the southern Pampas region of Argentina towards the end of the early Holocene and the beginning of the mid Holocene is discussed, and the formation processes of the archaeological site of La Olla are analysed. This site is located in the intertidal zone of the present beach and is remarkably well-pres...
Conference Paper
Full-text available
The Argentine Continental Margin contains a very extensive Contourite Depositional System (CDS), one of the largest worldwide (Hernández Molina et al., 2008, 2009). Following these pioneering papers, other contributions were related to different regional aspects of the CDS (Gruetzner et al., 2012; Hernández Molina et al., 2012 a; Muñoz et al., 2012...
Article
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The Andean cordillera, and its piedmont in the central western Argentina, has been long considered as one of the main source areas of detritus for the Chaco–Pampean plain sand dune fields and loess/loess-like deposits of central Argentina. The main goal of this study is to evaluate the composition of the late Pleistocene-Holocene alluvial deposits...
Conference Paper
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peritidales a tidales. (Noffkea et al., 2003; Cuadrado y Pizanni, 2007). Debido a la falta de hallazgos de facies biosedimentarias en el cuaternario de la región costera pampeana se presentan imágenes de Microscopia de Barrido (MEB) de facies con biofilms y matas microbianas halladas en la sucesión sedimentaria que conforma el sitio arqueológico La...
Article
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New remains of Heleobia ameghini (Doering, 1884) are analysed. This is an extinct late Pleistocene gastropod species recovered from alluvial sections along the middle course of the Luján River. Detailed observations allowed establishing the main diagnostic characteristics of the species; these are compared with the data provided in the original des...
Conference Paper
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El poblamiento temprano de la Patagonia se desarrolló en un momento de cambios ambientales notorios relacionados con el final de la última glaciación (Miotti y Salemme 2004). Los cambios en la humedad ambiental efectiva, la temperatura media y la cobertura vegetal que se han dado en este periodo influyeron en la disponibilidad de sedimento plausibl...
Article
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This article synthesizes the first results of the archaeological and geoarchaeological research at the archaeological locality of Los Tres Cerros, in particular one of its sites (Los Tres Cerros 1: LTC1). The sedimentological analysis of the site and its surroundings is presented, together with a discussion on its formation processes. In addition t...
Article
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La cuenca del río Areco integra la red de drenaje de la Pampa Ondulada, NE de la provincia de Buenos Aires. Los procesos geomórficos marinos, fluvio-lacustres y eólicos actuaron sobre los sedimentos loéssicos y loessoides de la Formación Pampeano (Pleistoceno) dejando, con diferentes grados de desarrollo, el registro sedimentario del Pleistoceno ta...
Chapter
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Con el objetivo de reconstruir la evolución climática durante el Holoceno, se llevarona cabo análisis multi-proxies en once testigos de fondo de seis lagunas costeras del sudeste de Uruguay. Dentro de los indicadores biológicos se hizo especial hincapié en el análisis de silicofitolitos. Se calcularon índices de temperatura y humedad a partir de la...
Article
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The Areco River Basin is part of the drainage system of Pampa Ondulada region, NE Buenos Aires Province. Geomorphic processes that it formed, acted on the loessoid sediments of the Pampeano Formation (Pleistocene) building a morphology contrasting with those of the surrounding environment. In the upper and middle basin there are fluvial successions...
Article
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El objetivo de este trabajo es definir unidades depositacionales y realizar inferencias paleoambientales a partir del análisis de facies y del contenido paleobiológico (moluscos, fitolitos y diatomeas) de depósitos acotados cronológicamente entre ca. <70.000 años y 11.000 años AP., Estadios Isotópicos de Oxígeno (EIO) 4 a 2, para la cuenca media de...
Article
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The sedimentary sequences exposed in cutbanks of the middle course of the Luján river preserve important paleoenvironmental information on the late Quaternary climatic evolution of the north-eastern Pampean region. The objective of this paper is to define depositional units and infer the paleoenvironmental conditions from the analysis of the sedime...
Article
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The sedimentary deposits exposed in cutbanks along the Lujan River are considered to be the late Quaternary type locality for geological and paleontological studies of the northeastern Pampas of Argentina. The stratigraphic nomenclatures and sequences proposed for over a century have been used to correlate with sedimentary successions from other re...
Article
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The sedimentary deposits exposed in cutbanks along the Luján River are considered to be the late Quaternary type locality for geological and paleontological studies of the northeastern Pampas of Argentina. The stratigraphic nomenclatures and sequences proposed for over a century have been used to correlate with sedimentary successions from other re...
Article
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We present examples of geological research directed towards the resolution of archaeological problems. The existing approaches are characterized as either multi-disciplinary or inter-disciplinary, evaluating the degree of involvement with the spe-cific archaeological questions being asked. We also remark the perceived limitations in this kind of ap...
Article
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We present examples of geological research directed towards the resolution of archaeological problems. The existing approaches are characterized as either multi-disciplinary or inter-disciplinary, evaluating the degree of involvement with the specific archaeological questions being asked. We also remark the perceived limitations in this kind of app...
Chapter
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INTRODUCCIÓN En este trabajo exploramos el aporte de la geoarqueología para discusiones sobre biogeografía humana a par-tir de un caso procedente del campo volcánico Pali Aike (CVPA), localizado en Patagonia meridional. Los temas biogeográfi cos generales con los cuales se vincula nuestro trabajo geoarqueológico específi co incluyen los patrones de...
Chapter
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Anexo 1. Difewncia de colaración de los sedimentos en el sitio la arcillosa: un indicador tofanóinicu ANEXO 1. DIFERENCIA DE COLORACIÓN DE LOS SEDIMENTOS EN EL SITIO LA ARCILLOSA: UN INDICADOR TAFON~MICO Adriana M. Blasi El análisis del sedimento hospedante de los restos humanos hallados en La Arcillosa ha tenido por finali-1 iad su caracterización...
Article
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We present stratigraphic and geoarchaeological evidences from the Orejas de Burro 1 archaeological site, located in the southern part of the Pali Aike Lava Field (Santa Cruz province, Argentina). We develop discussions about formation processes of the sedimentary deposits, the chronology of the archaeological assemblages found in these deposits, an...
Conference Paper
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En este trabajo se presentan los resultados obtenidos del estudio sedimentológico de los depósitos superficiales y subsuperficiales del Bañado Santa Teresa (alrededores de la Laguna Negra), Departamento de Rocha–Uruguay. Este estudio forma parte de investigaciones tendientes a la reconstrucción paleoambiental-paleoclimática de la planicie costera d...
Article
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Sedimentological, malacological, and pollen analyses from 14C-dated alluvial sections from the Luján River provide a detailed record of environmental changes during the Holocene in the northeastern Pampas of Argentina. From 11,200 to 9000 14C yr B.P., both sedimentary and biological components suggest that the depositional environment was eutrophic...
Article
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The is El Siasgo Creek is a tributary stream of the Salado River system, located in the north-east part of Buenos Aires province. In its lower basin, the river cuts a great depression, a remnant of an old infilled deflation basin, in which mainly aquatic sedimentary environments have operated from the Upper Pleistocene. At present, this depression...
Article
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A combined macromorphological and micromorphological approach was used to identify and differentiate paleosols at a representative exposure of the Pleistocene sedimentary succession in the northern Pampas of Buenos Aires (La Plata area). Five pedological units (Pu), which apparently represent four discrete paleosols plus the surface soil, were init...
Article
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largo y 0,7 km de ancho. Al norte del estrechamiento se sitúa el cuerpo menor, denominado "La Cañada" y hacia el sur el mayor o "laguna del Siasgo". En los sedimentos clásticos hospedantes de este paleoambiente léntico múltiple aparece una importante acumulación de yeso intrasedimentario en distintos niveles estratigráficos (Formaciones Lobos, Lujá...
Article
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RESUMEN fl objetivo del trabajohasido profundizar elconoómiento geolimnológico delalagunaClmscomús y evaluar el estado de colmatación de este ambiente lén!&xpeeano de 30 km', poco profundo y 4 tal efecto, se establecieron las caractensticas : fisiográficas y geomorfológicas de la laguna y su cuenca. Asimismo, el ambiente fue caracterizado en su rno...
Technical Report
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Mapas Figuras y tablas del Informe Tecnico- Geolimnologia laguna de San Vicente
Article
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Our sedimentological study of Lobos Lake sediments has shown that, below modern deposits, there is a clastic and biological record of three different paleoenvironments: two aquatic (freshwater and mixohaline respectively) and one subaereal. This record documents the climatic and geomorphologic changes that affected the basin during its evolution up...
Article
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The aim is to reconstruct the sedimentological history of the Late Pleistocene-Holocene eolian deposits of southern Buenos Aires province. Hence, a preliminary model is proposed in order to analyze the different stages of the sedimentological cycle. The deposits include sandy loess, fine sand sheets and dunefields.The southern Buenos Aires province...

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