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In this Ph.D. dissertation we develop a historiographical analysis of one of the most discussed topics in the Palaeolithic field during the last five decades: the Middle to Upper Palaeolithic transition. Our methodology combines the... more
In this Ph.D. dissertation we develop a historiographical analysis of one of the most discussed topics in the Palaeolithic field during the last five decades: the Middle to Upper Palaeolithic transition.
Our methodology combines the epistemological analysis of the discipline’s history –as the base of our study– together with an externalist line of research aimed at evaluating the potential influences of ideological and socio-political factors on the formulation of theories. This methodology has allowed us to develop a comprehensive study of the topic’s history, aimed at examining the relative importance of epistemic factors, external influences and empirical data in the formulation, acceptance, maintenance, and abandon of the interpretations on the Middle to Upper Palaeolithic transition.
The timeframe of our study has been the disciplinary history of the Palaeolithic field since 1852 to 1980. Within this historical period we have defined a series of research programmes following the Methodology of Scientific Research Programmes of the philosopher of science Imre Lakatos. These programmes have made up the main analytical units of our historiographical analysis.
The geographical scope of our study has included the scientific production developed within the mentioned timeframe at the European level, and since the 1950’s at the international level. In addition, we have paid special attention to the discipline’s development in Spain, where we have strengthened an externalist line of research centred in the study of the socio-political, ideological and institutional contexts.
The results obtained in our research has allowed us to propose an historical reconstruction of the Middle to Upper Palaeolithic discussion’s development in which the mutual interaction between epistemic factors, externals influences and empirical data arose as the main driving force in the development of interpretations. However, this multifactorial configuration, although present in all the research programmes and all the historical contexts analysed, acquire different forms through the discipline’s history. In
general terms, we observe an historical evolution, not always linear, from interpretative contexts dominated by both the epistemic characteristics of the research programmes and the external factors in which these are formulated, towards other contexts in which the discovery of new data and the development of new research methods gain greater importance.
Additionally, the conclusions reached in our study have also allowed us to posit some general reflections and critiques on the most current methodologies in the History of Prehistory and Archaeology. Thus, we stand up for a type of comprehensive historiographical analysis based on scientific realism and contrary to the most extreme postmodernist thesis, such as those proposed by social constructivism.
Research Interests:
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A new project has restarted research at Los Casares Cave, in Riba de Saelices, Guadalajara. The study of the Pleistocene deposits still preserved in the Seno A of the cave seeks to establish relationships between the dynamics of... more
A new project has restarted research at Los Casares Cave, in Riba de Saelices, Guadalajara. The study of the Pleistocene deposits still preserved in the Seno A of the cave seeks to establish relationships between the dynamics of settlement of Neanderthals and ecological changes in the central region of the Iberian Peninsula during the Late Pleistocene. Collecting sediment for analysis of various types has provided a small sample of microfauna, including skeletal fragments of lagomorphs, rodents, birds and reptiles. The aims of this work are the study of the microfauna and to propose a preliminary biostratigraphy and paleoenvironmental reconstruction.
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During the execution of the two preliminary surveys required in the permit action undertaken in the plot of the Antonio Lopez street, number 241, several pieces of flint were found. These findings were primari-ly documented in the lower... more
During the execution of the two preliminary surveys required in the permit action undertaken in the plot of the Antonio Lopez street, number 241, several pieces of flint were found. These findings were primari-ly documented in the lower levels of polling 1. After presenting the respective communication of our findings to the competent authority, and given that the surroundings of this area host one of the richest concentra-tions of prehistoric sites in Madrid, we decided to conduct a series of systematic geoarchaeological and pale-ontological works, aimed at getting an in-depth understanding of the site. Obtained results demonstrate that analyzed levels have been reworked, and thus it is complicate to define specific archaeological assemblages corresponding to the geomorphological position of the deposit.
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The Palaeolithic art of the Iberian interior territories is quantitatively scarce, spatially dispersed and relatively poor in archaeological context. This state-of-the-art is not only a reflection of the Palaeolithic reality, but is also... more
The Palaeolithic art of the Iberian interior territories is quantitatively scarce, spatially dispersed and relatively poor in archaeological context. This state-of-the-art is not only a reflection of the Palaeolithic reality, but is also due to a prolonged lack of investigation in the area, which has been only started to be corrected in recent years. The Plaque of Villalba is one of the few portable Palaeolithic art works known in the Iberian plateau. It was found in 1988 in the upper Duero basin, and despite lacking any kind of archaeological context, it can be considered a masterpiece among the Upper Palaeolithic graphic expression of Iberia. Here we present a new study of the piece using new recording techniques that were not available when it was first studied. These techniques not only include a complete new series of digital photos, but also a 3D scan of the plaque. Our new recording of the engravings of the plaque, more accurate and comprehensive than previous views, enable us to discuss their style and chronology in the context of the Palaeolithic art of inner Iberia.
Résumé: L'art paléolithique des territoires intérieurs de la péninsule Ibérique est quantitativement rare, dispersé dans l'espace et relativement pauvre du point de vue du contexte archéologique. Cette situation reflète la réalité paléolithique, mais elle provient également d'une absence prolongée de recherches dans cette région, qui ne commence à être corrigée que depuis peu. La plaquette de Villalba est l'une des rares oeuvres d'art mobilier connues sur le plateau Ibérique. Elle fut découverte en 1988 dans le bassin supérieur du Duero, et malgré le manque total de contexte archéologique, elle peut être considérée comme un chef-d'oeuvre de l'expression graphique ibérique du Paléolithique supérieur. Nous présentons ici une nouvelle étude de la pièce, grâce à de nouvelles techniques d'enregistrement qui n'étaient pas disponibles au moment où elle fut d'abord étudiée. Ces techniques incluent à la fois une nouvelle série complète de photos digitales et un scannage 3D de la plaquette. Notre nouvel enregistrement des gravures de la plaquette, plus précis et plus complet que les vues précédentes, nous permettent d'aborder leur style et leur chronologie dans le contexte de l'art paléolithique de la partie intérieure de la péninsule Ibérique.
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This article presents an updated state-of-the-art on the problem of the pre-Magdalenian Upper Pa-leolithic settlement of the central area of the Iberian Peninsula. A review of the last published data suggests that classic models depicting... more
This article presents an updated state-of-the-art on the problem of the pre-Magdalenian Upper Pa-leolithic settlement of the central area of the Iberian Peninsula. A review of the last published data suggests that classic models depicting an unpopulated Spanish plateau during the Late Pleniglacial must be reasses-sed. We also offer the first impressions derived from ongoing fieldworks at the Upper Paleolithic site of Peña Capón (Sorbe River valley, Guadalajara, Spain). The archeological sequence recorded in this rock shelter, which broadly confirms previous data and interpretations, will enable us, for the first time in research history of this region, to propose interpretations on human-environment interactions during the Late Pleniglacial based on solid archeological, geological and ecological data. Thus, we will be able to contrast previous propo-sals based on the Paleolithic graphic expressions of interior Iberia, which first demanded the necessity of con-sidering a richer Upper Paleolithic human settlement of the Spanish plateau than traditionally thought.
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In this paper we analyze cave and portable graphic expressions of Tito Bustillo cave (Asturias, Spain) in relation to their archaeological context. We use an integrative approach that considers graphic expressions , archaeological objects... more
In this paper we analyze cave and portable graphic expressions of Tito Bustillo cave (Asturias, Spain) in relation to their archaeological context. We use an integrative approach that considers graphic expressions , archaeological objects and organized underground spaces as integrative parts of the Upper Palaeolithic human behaviors in the caves. We conclude that Tito Bustillo is an outstanding case of humanized cave, in which the underground space was humanized through graphic expressions, permanent structures, topographic marking systems and other daily-life activities since the beginnings of the Upper Palaeolithic. During the Middle and Upper Magdalenian this process of humanization significantly increased, as shown by the development of a large living site sharing spaces with the most decorated areas of the cave.
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In contrast to the coastal areas of the Iberian Peninsula, the Upper Palaeolithic settlement of central Iberia, dominated by the Spanish plateau, is poorly known. Traditional models assume a total or virtual depopulation of the interior... more
In contrast to the coastal areas of the Iberian Peninsula, the Upper Palaeolithic settlement of central Iberia, dominated by the Spanish plateau, is poorly known. Traditional models assume a total or virtual depopulation of the interior of the Iberian Peninsula during the Last Glacial. In this paper we present a detailed investigation of human-environment interactions through the first zooarchaeological, tapho-nomic and isotopic study of the key site of Pe~ na Cap on, a rock shelter located in the southeastern foothills of the Central System range that contains a multi-layered deposit dated to marine isotope stage 2 (MIS 2). Analyses of the faunal assemblages of the Proto-Solutrean (3) and Middle Solutrean (2) layers show that human preferentially hunted horse, deer and iberian ibex living in the vicinity of the rock shelter. Isotope geochemistry of the animal remains of Pe~ na Cap on provides us with the first detailed intra-tooth multi-proxy analysis for this time period in southwestern Europe, providing estimates of climatic conditions, seasonal flucturation of diet, as well as patterns of seasonal mobility. Our results indicate that human presence at Pe~ na Cap on was apparently restricted to relatively warm intervals around the LGM or reflects the presence of an ecological refuge, and provide us with evidence of recurrent human presence in the Iberian interior during the Upper Paleolithic prior to the Magdalenian.
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The currently most widely accepted model of population dynamics in Southwest Europe during the Last Glacial Maximum depicts the Iberian Peninsula as a human refugium. However, this refugium was generally thought to be limited to the... more
The currently most widely accepted model of population dynamics in Southwest Europe during the Last Glacial Maximum depicts the Iberian Peninsula as a human refugium. However, this refugium was generally thought to be limited to the coastal areas of Iberia, while the interior lands of the Spanish plateau were explicitly excluded as areas of significant human settlement. According to what we have termed the “crossing-area model,” these inner territories supposedly had no Solutrean settlements, only ephemeral visits corresponding to the passage of hunter-gatherers en route between the more favored coastal areas. In this paper we test the validity of this model in light of new data from several sites in Central Iberia, namely from the Madrid Basin and the southeastern foothills of the Central System mountain range. We conclude that the crossing-area model does not explain the current data and therefore should be reassessed. Consequently, we propose to open up new avenues of research aimed at approaching the central region of Iberia in its own cultural and ecological terms.
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The recent excavations (2008–2009) conducted at the open-air site of Las Delicias, located in the Manzanares River valley (Madrid), have revealed new important data for the understanding of the human settlement of Central Iberia during... more
The recent excavations (2008–2009) conducted at the open-air site of Las Delicias, located in the Manzanares River valley (Madrid), have revealed new important data for the understanding of the human settlement of Central Iberia during Solutrean times. In this paper, we present a geomorphological and taphonomic study of the Pleistocene deposits of Las Delicias, a technological analysis focused on the bifacial lithic reduction processes documented at the site, new Optically Stimulated Luminescence dates, and new palynological data. Together with the existence of numerous Solutrean lithic assemblages from the early 20th century excavations of the Manzanares terraces, these new data highlight the importance of the Manzanares valley as a focus of Solutrean settlement, not only related to flint procurement but also to foraging activities. Moreover, they require reconsideration of Central Iberia as a virtually unpopulated region during the Late Pleniglacial (MIS 2), and of the associated idea of its cultural dependence on the coastal areas of the Iberian Peninsula. We propose new avenues of research aimed at approaching the central region of Iberia in its own cultural and ecological terms.
(Late Pleistocene population dynamics in Central Iberia: a new geoarchaeological project): We present a new research project aimed at investigating population dynamics and human-environment interactions during the second half of the Late... more
(Late Pleistocene population dynamics in Central Iberia: a new geoarchaeological project): We present a new research project aimed at investigating population dynamics and human-environment interactions during the second half of the Late Pleistocene in Central Iberia. In this communication we discuss the state-of-the-art on the Middle and Upper Palaeolithic settlement of the Iberian plateau and we propose new avenues of research for testing the validity of the currently accepted interpretations. It is our hypothesis that models on Late Pleistocene population dynamics in the Iberian interior lands are still biased by the poor quantity and quality of data available, especially for the Upper Palaeolithic. Our project is focused on the geoarchaeological study of 3 selected sites located in the Upper Tagus basin (Northern area of Guadalajara province, Spain).Our methods include micromorpholgy, high resolution sedimentology, 14C, OSL and U/Th dating, pollen, phytolith, microfaunal and anthracological analyses, as well as lithic technology, taphonomy and zooarchaeology.
(Preliminary geoarchaeological study of the +8m terrace fluvial deposits of the Manzanares River and Pradolongo stream in the final stage of the middle Manzanares valley (Madrid)): During the execution of the two preliminary surveys... more
(Preliminary geoarchaeological study of the +8m terrace fluvial deposits of the Manzanares River and Pradolongo stream in the final stage of the middle Manzanares valley (Madrid)): During the execution of the two preliminary surveys required in the permit action undertaken in the plot of the Antonio Lopez street, number 241, several pieces of flint were found. These findings were primarily documented in the lower levels of polling 1. After presenting the respective communication of
our findings to the competent authority, and given that the surroundings of this area host one of the richest concentrations of prehistoric sites in Madrid, we decided to conduct a series of systematic geoarchaeological and paleontological works, aimed at getting an in-depth understanding of the site.
(Geochronology of Middle and Late Pleistocene terraces from Tagus river in Toledo, Spain): We present the results of the quartz-OSL and post-IR IRSL dating of different terrace levels located in the vicinity of Toledo (Spain). The... more
(Geochronology of Middle and Late Pleistocene terraces from Tagus river in Toledo, Spain): We present the results of the quartz-OSL and post-IR IRSL dating of different terrace levels located in the vicinity of Toledo (Spain). The results obtained for the upper terraces have not been accurate due to the high environmental radiation and saturation of the samples. However, those obtained from +25-30 m terrace and lower terrace levels, indicate their development between the Marine isotopic stages 9 to 2. Fluvial terrace sedimentation took mainly place during warm isotopic stages (MIS 9, MIS 7, MIS 5). On the contrary a large phase of valley infilling by lateral alluvial deposits is identified to the end of the MIS 5 extending during the following MIS 4 and MIS 3. During the MIS 2 reworking of aeolian deposits presumably developed during the Last Glacial Maximum in the area (c. 22 -21 kyr) fossilize most terrace surfaces down to +30 m.
This study presents the first geochronological data from several research projects focused in the chronostratigraphy of the Tagus fluvial terraces in the environs of Toledo city (Central Spain). The research is centered on Middle to Late... more
This study presents the first geochronological data from several research projects focused in the chronostratigraphy of the Tagus fluvial terraces in the environs of Toledo city (Central Spain). The research is centered on Middle to Late Pleistocene fluvial terraces with palaeontological and Acheulean sites of similar Palaeolithic technology than those showed by the lithic assemblage of the Pinedo site (Máximo Martín Aguado Collection). This study includes the first ISRL and AAR dating for the fluvial levels at +25−30 m including the Acheulean sites of Pinedo (Toledo) and Cien Fanegas (Aranjuez). The obtained ISRL dates (>280 ky and 292±17 ky) indicate that this fluvial level and hence its associated Palaeolithic sites, were formed during the marine isotopic stages MIS 9 and MIS 8, and thus it is possible to correlate them with the Arganda II Unit of the adjacent Jarama valley. However, data from Pinedo suggest that this Acheulean site probably also correspond to the upper Arganda I Unit of the Jarama valley (MIS 11–MIS 9). Although the AAR date (226±37 ky) obtained for the Upper unit of Pinedo has to be carefully considered (due to the scarce stratigraphic data and the low dentine levels found in the Equus sp. analyzed samples), it could indicate that sedimentation of the studied terrace level reached the MIS 7, as may also occur in the Jarama valley (Valdocarros site). In the analyzed sector of the Tagus valley, continuous fluvial sedimentation was favored by the occurrence of Neogene evaporites karst-linked subsidence (upstream) and the presence of an outstanding internal base-level represented by the bedrock incised meander of Toledo (downstream). The dating method used in this study (post-IR- IRSL) has allowed us to obtain the oldest date from fluvial sandy deposits in the Tagus fluvial basin up to the present time.
In this paper we present a new interdisciplinary project focused on the investigation of the Late Pleisto-cene deposits still preserved in the Room A of Los Casares cave (Riba de Saelices, Guadalajara, Spain). We first make a historical... more
In this paper we present a new interdisciplinary project focused on the investigation of the Late Pleisto-cene deposits still preserved in the Room A of Los Casares cave (Riba de Saelices, Guadalajara, Spain). We first make a historical reconstruction of the research carried out in the cave, then we present our objectives, working hypotheses and methods, and finally we show some preliminary results after a first fieldwork season in Los Casares. We have collected soil monoliths for micromorphology and high-resolution sedimentology, sediment samples for palynological and phytolith analyses, as well as charcoal, bone and flowstone samples for chronometric dating. With these data we will investigate the site formation processes, the chronology of the Mousterian occupations, and eventually the adaptations of Los Casares Neandertals to their environment. Our research is framed in a wider project aimed at studying the relations between population dynamics and ecological variations in Central Iberia during the Late Pleistocene.
In this paper we study the development of Formal Recycling and Formal Maintenance processes in three lithic assemblages coming from the Mousterian sequence of El Esquilleu Cave (Cantabria, Spain). Each of these assemblages is dominated by... more
In this paper we study the development of Formal Recycling and Formal Maintenance processes in three lithic assemblages coming from the Mousterian sequence of El Esquilleu Cave (Cantabria, Spain). Each of these assemblages is dominated by a different knapping method (Discoid, Levallois and Quina), and shows a different strategy of resource exploitation. Through the study of raw materials quality, volumetric reduction of cores and tools, and knapping strategies, we show how lithic recycling and maintenance
processes are related to the techno-economic behaviors documented in each occupation.
GIS applications in the geoarchaeological characterization of the Palaeolithic site of Las Delicias (Madrid, Spain) and 3D representation of results. The open-air Palaeolithic site of Las Delicias, located in the Manzanares river... more
GIS applications in the geoarchaeological characterization of the Palaeolithic site of Las Delicias (Madrid, Spain) and 3D representation of results.

The open-air Palaeolithic site of Las Delicias, located in the Manzanares river valley (Madrid, Spain), has been the object of recent archaeological excavations during 2008 and 2009. Field data gathered at the site has been processed through Geographic Information Systems software, and results have been represented in 3D. We have achieved a topographic and archaeological database which has been associated with 3D planimetries through GIS. At the micro-spatial level, this database will allow future studies on different topics, such as the genesis of the deposits and their conservation, displacement patterns of the archaeological objects, refitting of lithic pieces and planning of future excavation seasons at the site.
The archaeological site of Las Delicias (Madrid, Spain) is known since the excavation conducted at the location by H. Obermaier and P. Wernert in the late 1917. It has been one of the classical references for the Palaeolithic of the... more
The archaeological site of Las Delicias (Madrid, Spain) is known since the excavation conducted at the location by H. Obermaier and P. Wernert in the late 1917. It has been one of the classical references for the Palaeolithic of the Madrid region, despite the varied interpretations that have been posited to explain its problematic lithic assemblage. Following a historiographical analysis of the site’s interpretations, we present the results of a research project initiated in the winter of 2008. This project was centered in the excavation of part of the quaternary deposits still present in the area, and its main objective was to gain a better geoarchaeological understanding of the site in order to solve the questions that it has traditionally posed to the discipline. The technological analysis of the lithics, together with the lithological and geomorphological analysis of the deposit, allows us to place Las Delicias in the Solutrean period. Thus, besides some isolated finds, this site becomes the only one in the Manzanares area containing Solutrean industries in a well-defined stratigraphic position and excavated with modern methods. We make some reflections on the implications of our findings for the discussion on the human settlement of Central Iberia during the middle part of the Upper Palaeolithic.
In the summer of 2011 several test pits were made in the Higueral-Guardia Cave (Málaga, Spain). The sondages have determined the existence of an important Upper and Middle Paleolithic archaeological sequence, still under study. However,... more
In the summer of 2011 several test pits were made in the Higueral-Guardia Cave (Málaga, Spain). The sondages have determined the existence of an important Upper and Middle Paleolithic archaeological sequence, still under study. However, the illegal digging activity in the cave have significantly limited the possibilities of interpretation of the Solutrean levels. In this paper we present some preliminary results of the field work, and at the same time, establish a discussion about the value of such records in order to establish deeper anthropological interpretations. Aspects such as the intensity of the occupation, the diachronic value of the archaeological record, or the functionality of the site are discussed.
La utilización de la Historia como vehículo legitimador de los regímenes totalitarios ha sido un tema ampliamente estudiado en las últimas décadas. En el caso de la dictadura franquista, cuestiones como la unificación territorial y... more
La utilización de la Historia como vehículo legitimador de los regímenes totalitarios ha sido un tema ampliamente estudiado en las últimas décadas. En el caso de la dictadura franquista, cuestiones como la unificación territorial y religiosa tras la llamada Reconquista, o el pasado imperial español, han sido extensamente investigados como formas de justificación histórica de la dictadura. Sin embargo, apenas existen estudios en profundidad sobre el papel que jugó la Prehistoria más antigua en esta empresa legitimadora. Presentamos aquí las conclusiones obtenidas en el análisis historiográfico de las publicaciones científicas, divulgativas y escolares generadas durante la dictadura franquista sobre dos problemáticas estrechamente relacionadas: (1) el inicio del Paleolítico Superior en la Península Ibérica y (2) la aparición en dicho territorio del morfotipo humano anatómicamente moderno. El tratamiento de estas problemáticas por parte de los investigadores de la época demuestra la influencia de la ideología del régimen en las conclusiones obtenidas. El escenario dibujado por dichas conclusiones es el de una Península Ibérica racial y étnicamente homogénea desde el inicio del Paleolítico Superior, lo cual se relaciona con la arribada de poblaciones que, en el marco teórico de un evolucionismo de corte "espiritualista", son consideradas biológica y moralmente superiores a las pre-existentes, correspondientes al morfotipo Neandertal. Este escenario contribuye, en su justa medida, a consolidar los pilares ideológicos, nacionalistas y católicos, de la dictadura de Franco.
The Peña Capón rockshelter contains an archaeological deposit known since 1970 that was the object of a preliminary study in the late 1990’s. In this paper we present a revision of the archaeological material from level 3 that... more
The Peña Capón rockshelter contains an archaeological
deposit known since 1970 that was the object of a
preliminary study in the late 1990’s. In this paper we
present a revision of the archaeological material from
level 3 that includes the technological and typological
study of the lithics and bone tools, the zooarchaeological
and taphonomic analysis of the faunal remains, the record
of engravings on bones, and the radiocarbon dating of
several bone samples. The data obtained has allowed us to
relate the level 3 to the Protosolutrean industries with Vale
Comprido points defined in the Portuguese Estremadura,
a matter that constitutes an important breakthrough within
the Meseta area, where little is known about the Upper
Palaeolithic prior to the Middle Solutrean. The results
are consistent with the definition of the Protosolutrean
as a transitional industry between the Gravettian and
the Solutrean. Furthermore, the verification of a human
settlement in the foothills of the Central System range
during the Upper Pleniglacial (MIS 2) strongly points
to the abandonment of the classic hypothesis that posit
a depopulation of inner Iberia during the coldest stages
of the last glacial cycle.
"The Peña Capón rock shelter contains an archaeological deposit known since the 1970’s that was the object of a preliminary study in the late 1990’s. We have recently conducted a new analysis of the known materials, that includes the... more
"The Peña Capón rock shelter contains an archaeological deposit known since the 1970’s that was the object of a preliminary study in the late 1990’s. We have recently conducted a new analysis of the known materials, that includes the technological and typological study of the lithics, the taphonomic and archaeozoological analysis of the faunal remains and the radiocarbon dating of several bone samples.

This revision has allowed us to assign the level 3 to an intermediate stage between the Gravettian and the Solutrean. This matter constitutes an important breakthrough within the
Meseta area, where little is known about the initial and middle phases of the Upper Palaeolithic. We present the preliminary results obtained from the study of this level and discuss its possible relations to other areas of the Iberian Peninsula, paying special attention to its striking resemblances to the assemblages defined as Protosolutrean in the central Atlantic region of Portugal."
The archaeological site of Las Delicias, known since the excavation conducted by H. Obermaier and P. Wernert in the late 1917, has been one of the classical references for the Palaeolithic of the Madrid region, despite the varied... more
The archaeological site of Las Delicias, known since the excavation conducted by H. Obermaier and P. Wernert in the late 1917, has been one of the classical references for the Palaeolithic of the Madrid region, despite the varied interpretations of its problematic lithic assemblage. We present here the results of a research project carried out in 2008-2009, whose main objective was to gain a better geoarchaeological understanding of the site through the excavation of part of the quaternary deposits still present in the area. The geomorphological, palaeoenvironmental and chronometric analyses of the excavated layers, together with the study of the lithics, allow us to place Las Delicias in the Solutrean period, thus becoming the only site in the Manzanares area –besides some isolated finds– containing industries of this technocomplex in a well-defined stratigraphic position.
We present a state of the question on the North African Aterian, examining different hypotheses that posit some kind of relationship of this technocomplex with the Solutrean of the Iberian Peninsula via the Strait of Gibraltar. Despite... more
We present a state of the question on the North African Aterian, examining different hypotheses that posit some kind of relationship of this technocomplex with the Solutrean of the Iberian Peninsula via the Strait of Gibraltar. Despite the fact that palaeoenvironmental conditions of the Strait area during the last glaciation would have allowed the movement of humans in several moments, the current archaeological record, besides some techno-typological similarities, does not allow us to conclude any kind of Aterian contribution in the formation of the peninsular solutrean industries. Furthermore, some reflections about the evolution of the lithic industries from the Initial Upper Palaeolithic are made, pointing out the necessity of undertaking a theoretical and methodological renovation, in order to gain a better understanding of the processes of technological evolution in the Upper Paleolithic and their relationships with prior contexts.
Despite recent developments (e.g. Baquedano et al. 2012; Álvarez-Alonso et al. 2013; Baena et al. 2015), the Middle Palaeolithic occupation of interior Iberia is poorly known, especially in caves. Only a few sites in the uplands of the... more
Despite recent developments (e.g. Baquedano et al. 2012; Álvarez-Alonso et al. 2013; Baena et al. 2015), the Middle Palaeolithic occupation of interior Iberia is poorly known,
especially in caves. Only a few sites in the uplands of the Spanish plateau have yielded reliable geomorphological, palaeoecological and chronometric data. Thus, the chronological framework of the Neandertal settlement in this area, and the relations between ecological variability and techno-economic behaviours developed by these human societies, are currently in need of new data. Classical debates on the Neanderthal settlement of inner Iberia, such as the long-claimed Mousterian late survival south of the Ebro
basin, or the nature of human adaptations to the harsh environments of the plateau, are currently under dispute (Kehl et al. 2013; Baena et al. 2015).

We present the first results of a new interdisciplinary project conducted at the Middle Palaeolithic site of Los Casares (Northern Guadalajara, Spain). Los Casares is a limestone cave located in the Upper Tagus River basin, in an elevated area (1050 above sea level) of the southern Spanish plateau close to the Iberian range (Figs. 1 and 2). Although the Mousterian deposit was first excavated in the 1960´s (Barandiarán 1973), modern geoarchaeological, taphonomic, chronometric, palaeoecological and techno-economic analyses are still lacking. We excavated and sampled in an interior chamber of the cave named 'Seno A' (Figs. 3 and 4) (Alcaraz-Castaño et al. 2015).
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For years, it has been assumed that a population hiatus existed in the interior lands of the Iberian Peninsula (the Spanish plateau or Meseta) (Fig. 1) from the end of the Middle Palaeolithic to the final stages of the Upper Palaeolithic.... more
For years, it has been assumed that a population hiatus existed in the interior lands of the Iberian Peninsula (the Spanish plateau or Meseta) (Fig. 1) from the end of the Middle Palaeolithic to the final stages of the Upper Palaeolithic. This has been traditionally explained as a consequence of the harsh ecological conditions of the Meseta during the Last Glaciation until the end of the Last Glacial Maximum. However, it is our hypothesis that models of population dynamics in this area are probably biased by the poor quantity and quality of data available, especially for the Upper Palaeolithic. Recent data coming from the south-eastern foothills of the Central System Range and the Madrid basin have questioned the classic interpretations (Alcaraz-Castaño 2015; Alcaraz-Castaño et al. 2013, in press; Baena & Carrión 2002)
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Historically, the inner territories of the Iberian Peninsula, dominated by the upland regions of the Central Spanish plateau and the Central System range, have been depicted as a nearly depopulated area during the Late Pleniglacial or... more
Historically, the inner territories of the Iberian Peninsula, dominated by the upland regions of the Central Spanish plateau and the Central System range, have been depicted as a nearly depopulated area during the Late Pleniglacial or Marine Isotopic Stage 2, and especially during the Last Glacial Maximum. This is in contrast with the common consideration of the Iberian coastal areas as part of a southwestern European ecological refugium during the harshest periods of the last glacial cycle. This model has been affirmed in recent surveys, and only very recently has faced some important challenges, coming from new field data. Here we discuss these new data and propose new hypotheses and avenues of research on the human-environment interactions in Central Iberia around the LGM.

The aforementioned data come basically from 2 sites located in the Tagus River basin: (1) Las Delicias, a classic open-air site in the Manzanares valley (Madrid) that has been recently re-excavated, and (2) Peña Capón, a rock shelter close to the southern foothills of the Central System range (Sorbe valley, Guadalajara), where recent analyses of lithic and bone materials have been developed. Geoarchaeological, chronometric and palaeoecological information coming from these sites allow positing preliminary hypotheses concerning the settlement of Central Iberia during MIS 2, and namely during Solutrean times.

Las Delicias hosts a Middle or Upper Solutrean lithic workshop, and the Peña Capón rock shelter functioned as a hunting camp during several moments within MIS 2, including at least Protosolutrean and Middle Solutrean times. These data, together with other Solutrean findings in the region, imply the existence of territorial organization, and hence some degree of stable settlement. Therefore, they call into question the classic model of the Meseta as a depopulated or crossing area during the Late Pleniglacial. In contrast, we hypothesize that the human occupation of Central Iberia during MIS 2 was more stable than previously thought, and probably included the settlement of some areas during the LGM and other harsh climatic and environmental events of the last glacial cycle.
It is soon to conclude whether these human occupations (1) were related to relatively favorable episodes around or within the LGM, (2) were favored by the existence of ecological refugia, or (3) reflect the adaptability of hunter-gatherers to harsh environments. Although current data does not allow to decide on such possibilities, future field work, planned to be done very soon, will contribute to investigate these and other key topics related to human-environment interactions around the LGM. This research will focus on site formation processes, both at the macroscopic and microscopic level, and also on gaining more chronometric and palaeoecological data at Las Delicias and Peña Capón.

Current information is still insufficient for building solid models on human-environment interactions during the LGM in Central Iberia. However, it allows, for the first time in the discipline’s history, to propose hypotheses based on valuable empirical data. Our imminent new field research on the Late Pleniglacial of this area will contribute to increase our knowledge of a long-standing underestimated archaeological record.
The Peña Capón rock shelter contains an archaeological deposit known since the 1970’s that was the object of a preliminary study in the late 1990’s. We have recently conducted a new revision of the known material that includes the... more
The Peña Capón rock shelter contains an archaeological deposit known since the 1970’s that was the object of a preliminary study in the late 1990’s. We have recently conducted a new revision of the known material that includes the technological and typological study of the lithics, the taphonomic and archaeozoological analysis of the faunal remains and the radiocarbon dating of several bone samples.
This revision has allowed us to assign the level 3 to an intermediate stage between the Gravettian and the Solutrean. This matter constitutes an important breakthrough within the Meseta area, where little is known about the initial and middle phases of the Upper Palaeolithic. We present the preliminary results obtained from the study of this level and discuss its possible relations to other areas of the Iberian Peninsula, paying special attention to its striking resemblances to the assemblages defined as Protosolutrean in the central Atlantic region of Portugal.
The archaeological site of Las Delicias, known since the excavation conducted by H. Obermaier and P. Wernert in the late 1917, has been one of the classical references for the Palaeolithic of the Madrid region, despite the varied... more
The archaeological site of Las Delicias, known since the excavation conducted by H. Obermaier and P. Wernert in the late 1917, has been one of the classical references for the Palaeolithic of the Madrid region, despite the varied interpretations of its problematic lithic assemblage. We present here the results of a research project carried out in 2008-2009, whose main objective was to gain a better geoarchaeological understanding of the site through the excavation of part of the quaternary deposits still present in the area. The geomorphological, palaeoenvironmental and chronometric analyses of the excavated layers, together with the study of the lithics, allow us to place Las Delicias in the Solutrean period, thus becoming the only site in the Manzanares area –besides some isolated finds– containing industries of this technocomplex in a well-defined stratigraphic position.
La utilización de la Historia como vehículo legitimador de los regímenes totalitarios ha sido un tema ampliamente estudiado en las últimas décadas. En el caso de la dictadura franquista, cuestiones como la unificación territorial y... more
La utilización de la Historia como vehículo legitimador de los regímenes totalitarios ha sido un tema ampliamente estudiado en las últimas décadas. En el caso de la dictadura franquista, cuestiones como la unificación territorial y religiosa tras la llamada Reconquista, o el pasado imperial español, han sido extensamente investigados como formas de justificación histórica de la dictadura. Sin embargo, apenas existen estudios en profundidad sobre el papel que jugó la Prehistoria más antigua en esta empresa legitimadora. Presentamos aquí las conclusiones obtenidas en el análisis historiográfico de las publicaciones científicas, divulgativas y escolares generadas durante la dictadura franquista sobre dos problemáticas estrechamente relacionadas: (1) el origen del Paleolítico Superior en la Península Ibérica y (2) la aparición en dicho territorio del morfotipo humano anatómicamente moderno. El tratamiento de estas problemáticas por parte de los investigadores de la época demuestra la influencia de la ideología nacionalcatólica del régimen en las conclusiones obtenidas. El escenario dibujado por dichas conclusiones es el de una Península Ibérica racial y étnicamente homogénea desde el inicio del Paleolítico Superior, lo cual se relaciona con la arribada de poblaciones que, en el marco teórico de un evolucionismo de corte "espiritualista", son consideradas biológica y moralmente superiores a las pre-existentes, correspondientes al morfotipo Neandertal. Este escenario contribuye, en su justa medida, a consolidar los pilares ideológicos, nacionalistas y católicos, de la dictadura de Franco.
Las Jornadas Científicas GQM 2014 están dirigidas tanto a investigadores como a estudiantes de Grado, de Máster y de Doctorado, dedicados a las diversas ramas de la Prehistoria, la Arqueología, la Geología, la Geografía y la Biología que... more
Las Jornadas Científicas GQM 2014 están dirigidas tanto a investigadores como a estudiantes de Grado, de Máster y de Doctorado, dedicados a las diversas ramas de la Prehistoria, la Arqueología, la Geología, la Geografía y la Biología que se ocupan del estudio del Cuaternario.

Para inscribirse es necesario enviar los siguientes datos a la dirección de correo electrónico jornadasgqm@gmail.com :

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Abstract (Preliminary geoarchaeological study of the +8m terrace fluvial deposits of the Manzanares River and Pradolongo stream in the final stage of the middle Manzanares valley (Madrid)): During the execution of the two preliminary... more
Abstract (Preliminary geoarchaeological study of the +8m terrace fluvial deposits of the Manzanares River and Pradolongo stream in the final stage of the middle Manzanares valley (Madrid)): During the execution of the two preliminary surveys required in the permit action undertaken in the plot of the Antonio Lopez street, number 241, several pieces of flint were found. These findings were primarily documented in the lower levels of polling 1. After presenting the respective communication of our findings to the competent authority, and given that the surroundings of this area host one of the richest concentrations of prehistoric sites in Madrid, we decided to conduct a series of systematic geoarchaeological and paleontological works, aimed at getting an in-depth understanding of the site.

Key words: Terrace, Palaeolithic Manzanares, Madrid.

Resumen (Estudio geoarqueológico preliminar de los depósitos fluviales de la terraza +8m del río Manzanares y del antiguo arroyo Pradolongo en el tramo final del valle medio del Manzanares (Madrid, España): Durante la ejecución  de dos sondeos geoarqueológicos en la Calle Antonio López, nº 241, de Madrid, se localizaron diversas piezas de industria lítica. Una vez comunicado el hallazgo a la Dirección General de Patrimonio de la Comunidad de Madrid, y recibido el correspondiente permiso, se procedió a una excavación en extensión que buscaba definir los niveles geoarqueológicos asociados a la terraza + 8 del río Manzanares en su intersección con el Arroyo Pradolongo.

Palabras clave: Terraza, Paleolítico, Manzanares, Madrid.
Research Interests:
El área situada al norte de la confluencia del arroyo Abroñigal en el río Manzanares presenta un alto potencial de conservación de yacimientos paleolíticos relacionados con el aprovisionamiento de sílex de los afloramientos existentes... more
El área situada al norte de la confluencia del arroyo Abroñigal en el río Manzanares presenta un alto potencial
de conservación de yacimientos paleolíticos relacionados con el aprovisionamiento de sílex de los afloramientos
existentes en la zona, localizándose coluviones (Cerro de la Plata), depósitos de origen fluvial (arroyo Carcavón y arroyo
Abroñigal) y fondos endorreicos como en el caso de la Estación de Delicias, que pueden conservar suelos de ocupación y evidencias de ocupación y explotación del medio por parte de comunidades de cazadores-recolectores del final del Pleistoceno.
In contrast to the coastal areas of the Iberian Peninsula, the Upper Palaeolithic settlement of central Iberia, dominated by the Spanish plateau, is poorly known. Traditional models assume a total or virtual depopulation of the interior... more
In contrast to the coastal areas of the Iberian Peninsula, the Upper Palaeolithic settlement of central Iberia, dominated by the Spanish plateau, is poorly known. Traditional models assume a total or virtual depopulation of the interior of the Iberian Peninsula during the Last Glacial. In this paper we present a detailed investigation of human-environment interactions through the first zooarchaeological, tapho-nomic and isotopic study of the key site of Pe~ na Cap on, a rock shelter located in the southeastern foothills of the Central System range that contains a multi-layered deposit dated to marine isotope stage 2 (MIS 2). Analyses of the faunal assemblages of the Proto-Solutrean (3) and Middle Solutrean (2) layers show that human preferentially hunted horse, deer and iberian ibex living in the vicinity of the rock shelter. Isotope geochemistry of the animal remains of Pe~ na Cap on provides us with the first detailed intra-tooth multi-proxy analysis for this time period in southwestern Europe, providing estimates of climatic conditions, seasonal flucturation of diet, as well as patterns of seasonal mobility. Our results indicate that human presence at Pe~ na Cap on was apparently restricted to relatively warm intervals around the LGM or reflects the presence of an ecological refuge, and provide us with evidence of recurrent human presence in the Iberian interior during the Upper Paleolithic prior to the Magdalenian.
Research Interests:
The book assembles new insights into humanity’s social, cultural and economic developments during the Last Glacial Maximum in Western Europe and adjacent regions. It gathers original, up-to-date research results on the Solutrean... more
The book assembles new insights into humanity’s social, cultural and economic developments during the Last Glacial Maximum in Western Europe and adjacent regions. It gathers original, up-to-date research results on the Solutrean techno-complex, reflecting four major fields of research: data from current excavations; analysis of lithic assemblages; new results from studies on climatic conditions and human-environmental interactions; and insights into artistic expressions. New methodological and analytical approaches are applied, providing significant contributions to Paleolithic research beyond the Last Glacial Maximum.