Abstract
The Barranco León and Fuente Nueva 3 sites are located in the Guadix-Baza Basin in Orce (Andalusia, Spain) about 80 km from the Mediterranean Sea. The sites were accumulated in swampy areas near the paleo-lake Baza’s eastern shoreline. There, hominins and hyenas competed for access to large herbivore carcasses abandoned by carnivores. The ages of the Barranco León and Fuente Nueva 3 sites have been evaluated from large and small mammal biochronology, magnetostratigraphy and also by ESR to around 1.4–1.2 Ma, respectively. Both sites have yielded fauna and lithic artefacts in situ. Systematic excavations at Barranco León and Fuente Nueva 3 have been underway since the 1990’s and contribute to growing evidence of hominin presence in southern Europe well before 1 Ma.The two lithic assemblages show strong similarities. At both sites, the artefacts were knapped from tabular flint and limestone pebbles collected nearby. The assemblages are composed mainly of small, non modified flakes and angular fragments, as well as some cores. Larger limestone heavy duty tools and cores are also present. There are no standardized small or large tools. Stone knapping was carried out using hand held and bipolar-on-an-anvil reduction strategies in accordance with raw material constraints and probably also desired product morphology. The assemblages are characterized by widespread use of unidirectional knapping methods. Reduction strategies were progressively adapted as the cores evolved into different forms. The Barranco León and Fuente Nueva 3 stone tool assemblages express a variant of Oldowan or Mode 1 technology that may be considered to be more complex than that observed at some earlier African sites, mainly because of the systematic use of extended orthogonal knapping episodes producing multiplatform cores and the differential use of two types of raw materials for making small cutting tools and larger percussion instruments.
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