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position within the transcultural networks of the
Greater Nicoya region (Costa et al. 2019). The creation of a modern geographical information system permits the inclusion of the formerly required data of Hardy and Vázquez. By using a drone, more than 2000 distortion-free and georeferenced orthographies were recorded from the site’s main savannah. In addition, the project developed three-dimensional models of more than 30 decorated boulders. They are based on photogrammetric images and can be animated. A series of virtual tours is in progress.
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bimorph faces and heads as well as anthropomorphic figures. Some of these motifs show specific clothing and jewellery attributes. Although some anthropomorphic images take on dynamic poses, they rarely interact with other decorations. Besides, the sites figurative inventory also includes zoomorphic representations. They can embody snake- (fig. 3), lizard-, bird- or tapir-like creatures. In contrast, phytomorphic motifs doesn’t appear clearly.
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and is probably the result of extensive deforestation during late 19th century. Actually it extends around 93 ha (Costa, Molina, Künne and
Gelliot 2019) and is overgrown by dispersed bushes and trees. The entire grass land forms a peculiar contrast to the nearby tropical forests (Nuhn 1978: 31) covering the remaining volcanic slopes. They consist of pre-montane dry forests as well as montane wet and rain forests, depending on their altitude.
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Nacional de Costa Rica (MNCR) the long-term study documented a total of 324 decorated boulders until 2008. Although the recorded data were incorporated into a first geographical information system during the following years. The first research results of the PAVO was exposed in the 59th Annual
Meeting for the Society for American Archaeology (SAA) in abril 1994.
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Considering its disperse location they seem to form a chaotic ensemble at the first impression. Due to the large size, the high number and the iconographic complexity of decorated stones, the
Pedregal site is one of the most impressive archaeological monuments of Costa Rica and one of the most important rock art sites in Central America.
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A large number of the site’s petroglyphs can also be recognized on the pre-Columbian ceramics originating from northwest Costa Rica. Their classification indicates a considerable number of motifs dating back to the early
Tempisque-Bagaces period (500 BD - 800 AD) whereas a minor iconographical corpus
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At the El
Pedregal site there are at least 465 rocks and boulders decorated with petroglyphs (Künne and Strecker 2008: 17). They are scattered to several high savannahs, which can be found on the Pacific slope of the Orosí volcano. The main savannah (fig. 1) lies between 400m and 800m above sea level
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In 1993 the North
American archaeologist Ellen Hardy initiated a first systematic research project dealing with the Pedregal petroglyphs under the name “Proyecto Arqueológico Volcán Orosí (PAVO)” (Hardy and Vázquez 1993). Cooperating with the University of California Los Angeles (UCLA) and the Museo
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The iconographic inventory of the volcano Orosí seems to originate from a local convention of stone processing which is embedded into the traditions of the
Greater Nicoya region. Additionally, the iconography of the Pedregal site also imitates Mesoamerican and South American patterns. They witness a
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The most frequent decorations of the
Pedregal site show geometric petroglyphs (spirals, concentric circles and crosses, squares, meanders, etc.) and/ or curvilinear iconographies. While the latter ones can form complex compositions, the sites figurative representations are less numerous. They depict
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The whole project has a duration of 5 years (2018-2022) and includes further prospections, the application of new recording technologies, archaeological test excavations and archaeometric investigations. The projects implementation lies in the hands of
Philippe Costa, Priscilla Molina Muñoz, Martin
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The PRAG is supported by the Institut Francais d'Amérique Centrale (IFAC), the Laboratoire d'Archéologie des Amériques (ArchAm, UMR 8096), the Museos del Banco Central de Costa Rica (MBCCR), the Área de Conservación Guanacaste (ACG), the Rheinische Friedrich-Wilhelms-Universität Bonn (Department of
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All decorated stones occur in open terrain and vary in size. While the largest boulders can be up to 5.20m long, up to 4.30m wide and up to 2.10m high (fig. 2), their majority does not measure more than 2.00m x 1.00m x 1.00m (length x width x height). All worked boulders consist of volcanic rocks.
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Since 2018 the investigation of the Pedregal rock art has been continued by the “Proyecto Arqueológico Guanacaste (PRAG)”. Resulting from the cooperation of scientific institutions located in France, Germany and Costa Rica the particular focus of the recently initiated project is on the sites
36:(GCA) and has been declared an UNESCO World Natural Heritage Site in 1999. The first scientific report on its rock art monuments dates from 1989 (Chavez Jiménez) and is listed in the archaeological database of the Costa Rican National Museum under the sites key G-540-Pd.
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Ancient American Studies) and the Deutsche Altamerika Stiftung (DAS). Further project partners are the Museo Nacional de Costa Rica, the Centro de Estudios Mexicanos y Centroamericanos (CEMCA) and the Institut National de Recherches Archéologiques Préventives (INRAP).
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broad variety of transcultural interrelationships maintained by the indigenous societies of Costa Rica before the arrival of European conquerors.
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1994 Petroglyphs of Orosí Volcano: Graphic Representations of Prehispanic Social Organization, ideology and religious beliefs. In:
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Künne and Eric Gelliot. All research results will be presented both to the scientific community and to the general public.
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may be associated to the later Sapoá-Ometepe (800-1530 AD) era (Stone and Künne 2003: 205; Künne and Baker 216: 273).
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Dans: Bahn, Paul y Angelo Fossati (eds.): Rock Art Studies: News of the World II: 196-213. Oxford, UK: Oxbow Books.
195:(2ème). Berlín, Alemania: Institut Ibéro Américain, Fundacion Patromonio Cultural Prusiano y el Gebr. Mann Verlag.
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Paul; Natalie Franklin and Matthias Strecker (eds.): Rock Art Studies: News of the World, 5: 267-84.
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Proyecto Arqueológico Volcán Orosi. Results of preliminary investigation of sitio Pedregal.
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only 20 km away from the Nicaraguan border. Its ground monuments belong to the
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Fig. 1: Aerial photography of the Pedregal site on the slopes of the Orosí volcano
126:. (E. Bedoya Benítez, Ed.). San José, Costa-Rica: Instituto Geográfico Nacional.
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Recent rock art studies in the Maya Region and the Intermediate Area, 2010-14.
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Informe final de la fase preliminar del proyecto arqueológico Guanacaste 2018
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Visita a la estación Maritza, faldas de volcán Orosí, Guanacaste.
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Fig. 3: Zoomorph representation (serpent) at the Pedregal site
32:. The whole Pedregal archaeological zone forms part of the
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mountain range, situated in the correspondent province of
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rock art site is located in the most northwest corner of
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Annual Meeting for the Society for American Archaeology
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Fig. 2: Engraved rock art boulder at the Pedregal site
139:Costa P., Molina Muñoz P., Künne M., Gelliot E.
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203:Rock Art of Central America and Maya Mexico.
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