Sierra De Atapuerca Archaeological Sites
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PLEISTOCENE AND HOLOCENE HUNTER-GATHERERS IN IBERIA AND THE GIBRALTAR STRAIT: 534 THE CURRENT ARCHAEOLOGICAL RECORD Carbonell, E.a,b,c; Huguet, R.b,a,c,*; Cáceres, I.a,b; Lorenzo, C.a,b,d; Mosquera, M.a,b; Ollé, A.b,a; Rodríguez, X.P.a,b; Saladié, P.b,a ; Vergès, J.M.b,a; García-Medrano, P.b; Rosell, J.a,b; Vallverdú, J.b,a,c; Carretero, J.M.e,d; Navazo, M.f,g; Ortega, A.I. g,h; Martinón-Torres, M.g; Morales, J.I.b,a; Allué; E.b,a; Aramburu, A.i; Canals, A.a,b,n, Carrancho,A.f; Castilla, M.e; Expósito, I.b,a; Fontanals, M.b,a; Francés, M.e; Galindo-Pellicena, M.d,j; García-Antón, D.a,b; García, N.d,j; Gracia, A.d,k; García, R.e; Gómez- Merino, G.b,a; Iriarte, E.e; Lombera- Hermida, A.b,a; López-Polín, L.b,a; Lozano, M.b,a; Made van der, J.l; Martínez, I.d,k ; Mateos, A.g; Pérez- Romero, A.e; Poza, E. d,j; Quam, R.m,d; Rodriguez-Hidalgo, A.b,a,n; Rodríguez, J. g Rodríguez, L.e; Santos, E.e,d; 6LHUUDGH$WDSXHUFD Terradillos, M.k; Bermúdez de Castro, J.M.g; Arsuaga, J.L.d,j DUFKDHRORJLFDOVLWHV Introduction ducts which are interconnected by spaces and sinkholes, now hanging +90 m, +70 m and +60 Sierra de Atapuerca (Burgos, Spain) is a mid- m above the present bed of the Arlanzón River altitude karst range characterised by the subter- (Ortega et al., 2013, 2014). Only 4.7 km of the ranean morphology concentrated on its south- western flank (San Vincente Hill, 1085 m asl). accessible ducts in this system are known at pre- This multilevel karst system, an inactive legacy of sent. Around 50 completely infilled cavities have old base levels formed during the Plio-Pleistocene, been identified (Ortega, 2009), some of which is linked to palaeo-upwelling of the Pico River. became exposed when a cutting for a mine rail- It consists of three main levels of sub-horizontal way line between Monterrubio de la Demand and a Àrea de Prehistòria, Universitat Rovira i Virgili (URV), Avinguda de Catalunya 35, 43002 Tarragona, Spain. b Institut Català de Paleoecologia Humana i Evolució Social (IPHES), C/ Marcel.lí Domingo s/n e Campus Sescelades URV (Edifici W3), 43007 Tarragona, Spain. c. Unidad asociada al CSIC. Departamento de Paleobiología, Museo Nacional de Ciencias Naturales. Calle José Gutierrez Abas- cal, 2. 28006 Madrid, Spain. d Centro Mixto UCM-ISCIII de Investigación sobre Evolución y Comportamiento Humanos, c/Monforte de Lemos, 5, 28029 Madrid, Spain. e Laboratorio de Evolución Humana (LEH), Dpto. de Ciencias Históricas y Geografía, Universidad de Burgos, Edificio I+D+i, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain. f Área de Prehistoria. Dpto. de Ciencias Históricas y Geografía, Universidad de Burgos, Edificio I+D+i, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain. g Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo Sierra de Atapuerca, 09002 Burgos, Spain h Grupo Espeleológico Edelweiss, Excma, Diputación Provincial de Burgos, Paseo del Espolón s/n, 09071 Burgos, Spain i Departamento de Mineralogía y Petrología, Facultad de Ciencia y Tecnología, Universidad del País Vasco/EHU, c/ Sarriena, s/n, 48940 Leioa, Spain j Departamento de Paleontología, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain. k Área de Paleontología, Departamento de Geología, Universidad de Alcalá de Henares, 28871 Alcalá de Henares, Spain. l Museo Nacional de Ciencias Naturales (MNCN). Calle José Gutierrez Abascal, 2. 28006 Madrid, Spain. m. Department of Anthropology, Binghamton University (SUNY), Binghamton, NY 13902-6000, USA. n. Equipo Primeros Pobladores de Extremadura, Casa de la Cultura Rodríguez Moñino. Avda. Cervantes s/n, 10003 Cáceres, Spain * Corresponding autor: Institut Català de Paleoecologia Humana i Evolució Social (IPHES), C/ Marcel.lí Domingo s/n e Cam- pus Sescelades URV (Edifici W3), 43007 Tarragona, Spain. E-mail address: [email protected] CENTRAL PLATEAU 535 Figure 1. Location of Sierra de Atapuerca sites. Karst map based on original topography by Edelweiss Speleological Group, adapted from Ortega (2009). Green: top level of karst, purple: middle level, pink: bottom level. Villafría was dug in the late 19th century (Ortega sites for more than thirty years. The excavations et al., 2012). Other cavities remained hidden, al- and subsequent analysis of several sites, both caves though in the course of hundreds of thousands of and open air campsites, have found evidence of oc- years, they have been visited by successive settlers cupations by hominins groups in different periods, in the Sierra de Atapuerca area. Apart from the from 1.3 million BP to less than 3,000 years ago. sites within the karst system, open air campsites Digs at Sierra de Atapuerca have focused on four with evidence of activity by human groups have different sectors: Trinchera del Ferrocarril, Cueva been recorded on the slopes and moors around Mayor, Cueva del Mirador and the open air karst this low mountain range. Sierra de Atapuerca and zone. Listed in chronological order of human oc- its occupations are one of Europe’s most impor- cupation, the cave sites are Sima del Elefante, Gran tant sources of ancient human fossils. They were Dolina, Galería, Sima de los Huesos, Portalón and declared a World Heritage Site by UNESCO in Mirador. The outdoor sites include Hotel Califor- 2000. In this chapter, we will review the research nia, Hundidero, Fuente Mudarra and Valle de las that has been underway at the Sierra de Atapuerca Orquídeas (Fig. 1). PLEISTOCENE AND HOLOCENE HUNTER-GATHERERS IN IBERIA AND THE GIBRALTAR STRAIT: 536 THE CURRENT ARCHAEOLOGICAL RECORD Trinchera del Ferrocarril pit to determine the characteristics of the infill, its archaeological potential and a rough chronology As its name suggests, the Trinchera del Fer- for the sedimentary deposits. Systematic excava- rocarril (Railway Trench) is an artificial trench tion of the site began in 1996, and has continued dug during the construction of a mine railway. uninterrupted down to the present day across a 32 In plan, the trench is a 500 metre long arc run- m2 excavation area. ning N-S through the southern part of the Sier- The stratigraphic succession at Sima del Ele- ra. The primarily limestone walls of the cutting, fante is 15 m wide, with a 25 metre thick and with no more than 20 metres high, contain sectioned high degree of heterogeneity due to lateral and cavities which had been filled with sediment of vertical lithological changes. The sedimentary de- different origin. Three of these cavities –from posit is divided into 21 units, grouped in turn into three sedimentary phases. Phase I is the lowest in the sequence, from TE7 to TE14. Phase II contains units TE15 to TE19, inclusive. Finally, the most recent Phase III comprises Units TE20 and TE21 (Rosas et al., 2001, 2006) (Fig. 2). Palaeomagnetic analysis has detected polar- ity changes at the basis of unit TE17. Sediments below this unit from TE16 to TE7 have reversed polarity and have been assigned to the Matuyama subchron (> 780 ky) (Parés et al., 2006). This is consistent with the results from the analysis of the U/Th uranium series of a stalagmite sample in the TE16-TE17 contact area, which shows a chronol- ogy of more than 400,000 years. Analysis of cos- mogenic cores shows that the age of sublevel TE9c in Sima del Elefante is 1.22 ± 0.16 Myr (Carbonell et al., 2008). These dates are consistent with bio- chronological data (Rofes and Cuenca-Bescós, 2006; Cuenca-Bescós and García 2007; García et al., 2008). On the basis of biochronological material, more recent units containing archaeo-palaeontological Figure 2. Stratigraphic section of Sima del Elefante. As- records of the site (TE18-TE19) have been attrib- terisk marks position of Matuyama-Brunhes inversion. uted to the second half of the Middle Pleistocene, Height in metres from Trinchera del Ferrocarril floor. Syn- around 250-350 ky (OIS 9-8) (Rosas et al., 2006, thetic stratigraphy shows location of U-Th and cosmogenic nuclide datings (Rosas et al., 2006; Carbonell et al., 2008). Lopez-García et al., 2011). However, uranium se- ries (U/Th) analysis of a stalagmitic crust from the roof of level TE18 has yielded two datings, 307 ± 19 ky and 255 ± 12 ky (Bischoff pers. comm.). south to north Sima del Elefante, Gran Dolina These results suggest that level TE18 was formed and Galería– have been defined as archaeologi- during OIS 9 and 7, and that the chronology of cal sites. TE19 is more recent than 255,000 ky. Lower levels have yielded a rich faunal asso- Sima del Elefante ciation including small animals such as birds, lago- morphs and beavers, as well as medium and large The Sima del Elefante site is the southernmost sized animals (Sánchez Marco, 2004; Cuenca- cave in the Trinchera del Ferrocarril. The first Bescós and García, 2007; García et al., 2008; Van archaeo-palaeontological work here was in 1986 der Made, 2013) (Tab.1). The climatic and envi- under Prof. Emiliano Aguirre, consisting of a test ronmental reconstruction on the basis of faunal CENTRAL PLATEAU 537 analysis indicates that the landscape around Sima del Elefante through the lower sequence (Lower Pleistocene) included open habitats dominated by moist, wooded areas, large areas with permanent water (Rosas et al., 2006, Blain et al., 2010 ;). In the upper units, equids remains are predominant, although remains of other herbivores and carni- vores have also been found (Rosas et al., 2001; Van der Made, et al., 2003, 2013. Cuenca-García and Bescós, 2007) (Tab.1).