The shell-midden of Meu Jardim (Nazaré) in the context of the production and exchange of blade or bladelet blanks in Middle Neolithic Portuguese Estremadura [O concheiro do Meu Jardim (Nazaré) no contexto das estratégias de produção e circulação de...]

  • Eliana Goufa Universidade do Algarve
  • António Carlos Valera Universidade do Algarve
  • António Faustino Carvalho Universidade do Algarve
Keywords: Neolithic; Portugal; blade; bladelet blanks; technology; flint


The archaeological site of Meu Jardim (municipality of Nazaré) is a shell-midden with several phases of occupation dated to the Middle Neolithic period. It is located near flint deposits, on the Atlantic seaboard of the Portuguese Estremadura. Its excavation, that took place in the context of salvage archaeology, was due to the building of a bridge. The fieldwork consisted of the excavation of three tests, comprising a total area of 102 m2.

Given the gap in knowledge that dominates the lithic studies of the Middle Neolithic period, it was decided to analyse its blade and bladelet productions (from Tests 1 and 3, where the lithic assemblages are more abundant) and integrate them in their regional context. In order to allow for the establishment of systematic inter-site comparisons, an explicit methodological option was the use of the same analytical protocols as employed elsewhere in the study of coeval sites in the region. These protocols consist mainly of the adoption of the proposals initially put forward by Tixier et al. (1980), which were adapted by Carvalho (1998a; 2008) to the Early and Middle Neolithic periods in Portugal.

Overall, the knapped stone assemblage from Meu Jardim totals 639 artefacts of locally available raw materials (flint, quartz and quartzite), which form an assemblage composed of cores and core maintenance products, flakes and debris, blades and bladelets and retouched tools. Flint is the most used raw material, which is due to its availability in the area surrounding the shell-midden. It should be noted that flint is an abiotic resource that can be found almost everywhere in Estremadura but it may be absent from more restricted areas within the region. This fact impacted the acquisition strategies during the period. In the case of Meu Jardim, this implied an expedient exploitation of the nearest flint sources to face the needs of short stays at the site, and the abandonment of nodules and cores in their early stages of reduction. The so-called “prismatic method” (see definition in Carvalho 1998a) was employed for the production of elongated blanks. On average, these ranged in 1.8-7.0 cm in length, 0.5-1.4 cm in width and 0.2-0.9 cm thick, thus forming a bladelet-sized assemblage. The knapping techniques may have been comprised of pressure and indirect percussion; however, according to published experimental evidence, the former technique seems to have been dominant. Indeed, the overwhelming presence of overhanging accidents, regular edges and ridges and faceted butts along with the small sizes evidenced by these blanks strongly points to this conclusion and suggests the presence of hand-knapping procedures (i.e., without the use of levers or similar devices). Tools types are composed mostly of side-retouched blades and bladelets; notches, denticulates, perforators and truncations are less well represented. Microliths were not found.

Contrasting with the relatively robust evidence available for the Early Neolithic period in Estremadura, little is known regarding the later stages of the period. The most evident feature is likely the increase in sizes of elongated blanks that is recognized in many assemblages dated to the Middle and Late Neolithic. The morphometric and technological study of blanks from Middle Neolithic cemeteries in the region have reveal two main size groups: one of smaller sizes (2.5-10.0 cm in length, 0.8-2.0 cm in width) and a more robust one (12.0-18.0 cm in length, 1.8-2.8 cm in width). One attribute also marks the difference between the two: the absence of heat treatment in the latter group. Up to now, the evidence from habitation contexts is less clear due to the lack of studies. However, all seem to indicate that at other habitation sites the elongated pieces are similar to those identified at Meu Jardim. A factor that introduces more variability in morphotechnic features is the presence at some sites of bipolar knapping for the production of very small and irregular bladelets, the so-called “bipolar method” (see definition in Carvalho 1998a). In these cases, larger blanks likely imported as finished products from sites located near flint sources are found along with the locally produced smaller, irregular ones. This strategy was not observed at Meu Jardim; indeed, this site is testimony of the opposite situation.

Overall, these inferences reveal a pattern of highly diversified economic and technological behaviours regarding flint exploitation and exchange in Middle Neolithic Estremadura.

Author Information

Eliana Goufa, Universidade do Algarve

CEAACP - Centro de Estudos de Arqueologia, Artes e Ciências do Património (pólo UAlg)
Universidade do Algarve
F.C.H.S., Campus de Gambelas,
8000-117 Faro

António Carlos Valera, Universidade do Algarve

ICArEHB - Interdisciplinary Center for Archaeology and Evolution of Human Behaviour
Universidade do Algarve

Era-Arqueologia Lda.
Calçada de Santa Catarina, 9C
1495-705 Lisboa

António Faustino Carvalho, Universidade do Algarve

Universidade do Algarve
F.C.H.S., Campus de Gambelas
8000-117 Faro


Binder, D., 1987 (Ed.), Le Néolithique ancien provençal. Typologie et technologie des outillages lithiques, 24, Suppléments à Gallia Préhistoire, Paris, 205 p. (in French; em Francês) (“The Early Neolithic in Provence. Typology and technology of the lithic tools”; “O Neolítico antigo provençal. Tipologia e tecnologia das utensilagens líticas”)
Binford, L., 1979, Organization and formation processes: looking at curated technologies. Journal of Archaeological Method and Theory, 35(3): 57-100. (in English; em Inglês) (“Processos de organização e formação: olhando para uma seleção de tecnologias ”) doi:10.1086/jar.35.3.3629902
Cardoso, J.L. & Carvalho, A.F., 2008, A Gruta do Lugar do Canto (Alcanede) e sua importância no faseamento do Neolítico no território português. Estudos Arqueológicos de Oeiras, 16: 269-300. (in Portuguese; em Português) (“The Lugar do Canto Cave (Alcanena) and its importance in the phasing of the Neolithic in Portuguese territory”)
Carvalho, A.F., 1996, O talhe da pedra e a transição Neolítico-Calcolítico no Centro e Sul de Portugal: tecnologia e aspectos da organização da produção. Trabalhos de Arqueologia da E.A.M., 3-4 (1995-1996): 41-60. (in Portuguese; em Português) (“Knapping stone and the Neolithic-Chalcolithic transition in Centre and South Portugal: technology and aspects of the organization of production”)
Carvalho, A.F. 1998a, Talhe da pedra no Neolítico antigo do Maciço Calcário das Serras d'Aire e Candeeiros (Estremadura Portuguesa). Um primeiro modelo tecnológico e tipológico. Colibri, Lisboa, 110 p. (in Portuguese; em Português) (“Knapped stone in the Early Neolithic of the limestone massif of the Aire and Candeeiros mountains (Portuguese Estremadura)”) doi:10.2307/27924082
Carvalho, A.F. 1998b, O Abrigo da Pena d'Água (Rexaldia, Torres Novas): resultados das campanhas de sondagem (1992-1997). Revista Portuguesa de Arqueologia, 1(2): 39-72. (in Portuguese; em Português) (“Pena d’Água Rock-shelter (Rexaldia, Torres Novas): results of the test seasons (1992-1997)”) URL:
Carvalho, A.F., 2003, O Neolítico antigo no Arrife da Serra d’Aire. Um case-study da neolitização da Média e Alta Estremadura Portuguesa. Muita gente, poucas antas? Origens, espaços e contextos do Megalitismo. In: Actas do II Colóquio Internacional sobre Megalitismo (Gonçalves, V.; Sousa, A. & Faria, A., Eds.), Instituto Português de Arqueologia, Lisboa: p. 135-154. (in Portuguese; em Português) (“The Early Neolithic in the Arrife of the Aire Mountain. A case-study of the Neolithisation of the Middle and Upper Portuguese Estremadura”) URL:
Carvalho, A.F., 2008, O talhe da Pedra na Pré-História recente de Portugal: 1. sugestões teóricas e metodológicas para o seu estudo. Praxis Archaeologica, 3: 167¬-181. (in Portuguese; em Português) (“Stone knapping in the Late Prehistory of Portugal: 1. theoretical and methodological suggestions for its study”)
Carvalho, A.F., 2009a, O talhe da Pedra na Pré-História recente de Portugal: 2. O estado actual da investigação. Praxis Archaeologica, 4: 67-91. (in Portuguese; em Português) (“Stone knapping in the Late Prehistory of Portugal: 2. current state of the research”)
Carvalho, A.F., 2009b, O final do Neolítico e as origens da produção laminar calcolítica na Estremadura Portuguesa: os dados da gruta-necrópole do Algar do Bom Santo (Alenquer, Lisboa). In: Les grans fulles de sílex. Europa al final de la Prehistòria (Gibaja, J.F., Terradas, X., Palomo, A. & Clop, X., Eds.), Museu d’Arqueologia de Catalunya, Barcelona: p. 75-82. (in Portuguese; em Português) (“The end of the Neolithic and the origins of the Chalcolithic blade production in Portuguese Estremadura: data from the cave-burial of Bom Santo Cave (Alenquer, Lisbon)”)
Carvalho, A.F., 2012, Do Neolítico à Idade do Bronze. In: Introdução ao estudo da pedra lascada (Gibaja, J.F. & Carvalho, A.F., Eds), Colibri, Lisboa: p. 91-106. (in Portuguese; em Português) (“From the Neolithic to the Bronze Age”)
Dinis, J., Henriques, M.V., Freitas, M.C. & Andrade, C. 2005, The Holocenic evolution of the Óbidos, Alfeizerão and Pederneira lagoons (Western Portugal). Natural and anthropic forcing. In: Proceedings of the Iberian Costal Holocene Palaeoenvironmental Evolution, (Freitas, M. & Drago, T. Eds.), Universidade de Lisboa, Lisboa: p. 42-43. (In English; em Inglês) (“Evolução Holocénica nas lagoas de Óbidos, Alfeizerão e Pederneira (Portugal Ocidental). Alterações naturais e antrópicas”)
Goufa, E., 2014, O sítio do Meu Jardim (Nazaré): contribuição para o estudo da pedra lascada no Neolítico Médio da Estremadura. Master’s thesis at Faculty of Human and Social Sciences, University of Algarve, Faro, 200 p. (in Portuguese; em Português) (“The site of Meu Jardim (Nazaré): contribution to the study of knapped stone in the Middle Neolithic of Portuguese Estremadura”) doi:10.13140/RG.2.1.3366.2881
Henriques, M.V. & Dinis, J., 2005, Avaliação do enchimento sedimentar holocénico na planície aluvial da Nazaré (Estremadura Portuguesa). In: Actas do X colóquio ibérico de Geografia, Associação Portuguesa de Geógrafos, Lisboa. (in Portuguese; em Português) (“Evaluation of the Holocene sedimentary infill of the Nazaré alluvial plain (Portuguese Estremadura)”) URL:
Nunes, A., 2014, Estudo dos materiais provenientes do Cerradinho do Ginete (Torres Novas, Santarém): contribuição para o estudo do Neolítico médio português. Master’s thesis at Faculty of Human and Social Sciences, University of Algarve, Faro, 126 p. (in Portuguese; em Português) (“Study of the materials from Cerradinho do Ginete (Torres Novas, Santarém): contribution for the study of the Middle Neolithic in Portugal”) URL:
Pelegrin, J., 1984a, Approche technologique expérimentale de la mise en forme de nucléus pour le débitage systématique par pression. In: Préhistoire de la pierre taillée. 2. Économie du débitage laminaire: technologie et expérimentation (Tixier, J. Ed.), Cercle de recherches et d'études préhistoriques, Paris, p. 93-104. (in French; em Francês) (“Abordagem experimental da formatação de núcleos para a debitagem sistemática por pressão”; “Technological and experimental approach to core shaping for systematic pressure knapping”)
Pelegrin, J., 1984b, Systèmes expérimentaux d’immobilisation du nucléus pour le débitage par pression. Préhistoire de la pierre taillée. 2. Économie du débitage laminaire: technologie et expérimentation (Tixier, J. Ed.). Cercle de recherches et d'études préhistoriques, Paris, 117-128. (in French; em Francês) (“Sistemas experimentais de imobilização do núcleos para a debitagem por pressão”; “Core immobilisation experimental systems for pressure debitage”)
Tixier, J., 1984 (Ed.), Préhistoire de la pierre taillée. 2. Économie du débitage laminaire: technologie et expérimentation. CREP, Paris: p. 13-19. (in french; em francês) (“Pre-História da pedra lascada. II. Economia de debitagem laminar: tecnologia e experimentação”; Prehistory of the knapped stone. II. Laminar debiting economy: technology and experimentation”)
Tixier, J., Inizan, M. L. & Roche, H., 1980 (Eds.), Préhistoire de la Pierre Taillée. I. Terminologie et technologie. Cercle de Recherches et d’Études Préhistoriques, Antibes, 120 p. (in french; em francês) (“Pré-História da pedra lascada. I. Terminologia e tecnologia”; “Prehistory of the knapped stone. I. Terminology and technology”)
Valera, A.C. & Santos, H., 2010, O concheiro do Neolítico Antigo do “Meu Jardim” (Nazaré): informação preliminar. Apontamentos de Arqueologia e Património, 6: 21-27. (in Portuguese; em Português) (“The Early Neolithic shell-midden of “Meu Jardim” (Nazaré): preliminary information”) URL:
Zilhão, J., 1994, A oficina de talhe neo-calcolítica de Casas de Baixo (Caxarias, Vila Nova de Ourém). Trabalhos de Arqueologia da E.A.M., 2: 35-46. (in Portuguese; em Português) (“The Neo-Chalcolithic knapping site of Casas de Baixo (Caxarias, Vila Nova de Ourém)”)
Zilhão, J. (Ed.), 1997, O Paleolítico Superior da Estremadura Portuguesa. Colibri, Lisboa, 1160 p. (in Portuguese; em Português) (“The Upper Palaeolithic of Portuguese Estremadura”)
How to Cite
Goufa, E., Valera, A., & Carvalho, A. (2017, November 11). The shell-midden of Meu Jardim (Nazaré) in the context of the production and exchange of blade or bladelet blanks in Middle Neolithic Portuguese Estremadura [O concheiro do Meu Jardim (Nazaré) no contexto das estratégias de produção e circulação de.]. Journal of Lithic Studies, 4(3).
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