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Abstract: The paper presents the large set of basketry and other worked fibre artefacts constituting the perishable artefacts assemblage from the Takarkori rock shelter. This site is located in southwestern Libya, central Sahara. Its well-preserved Holocene stratigraphy testifies to human occupations by foraging groups (Late Acacus culture; ca. 9000–7400 uncal years bp; ca. 8300–6100 BCE) and herders (Pastoral cultures; ca. 7400–4500 uncal years bp; ca. 6400–3000 BCE). The basketry collection includes 91 desiccated items. They have been divided into two distinct groups: basketry constructions and basketry elements (b-items: 53 fragments); ropes and other elements in the broad sense (r-items: 38 fragments). Stems were mostly used to make the b-items, while a fairly diversified set of materials was used for ropes and other elements. In a few cases, mixed animal and plant materials were also employed. SEM analyses showed some diagnostic characteristics such as epidermal stomata, phytoliths, hairs and vessels indicating monocotyledons. Many items were identified as Panicoideae, likely of the Setaria and Panicum types. Therefore, the main wild cereals collected for food and transported into the site also seem to have been the main plants used to make basketry. The only wooden item was attributed to Vitex. The majority of the basketry is made using the twined technique. Basketry remains were more common during the Late Acacus occupation of the site, possibly associated with wild cereal processing and storage, reinforcing the idea of a re-organization of food security towards a delayed use of resources. The basketry material could be interpreted as remains of large and open baskets to collect and store seeds. Decreasing availability of wild cereals, changes in resource exploitation and the nomadic mobility pattern may explain why a smaller number of basketry items was found in layers connected to the Pastoral phases of occupation. [Copyright &y& Elsevier]

Abstract: Caves have yielded some of the most globally important archaeological sequences, but often their interpretation has suffered from assumptions about cave sedimentary processes. Caves contain distinctive sedimentary environments: this has major implications for the understanding of contained archaeological materials. This paper describes and analyses the Holocene sediments in the Haua Fteah, a sequence regarded as essentially continuous by the original excavator. 50 years after it was first excavated, the Haua''s Epipalaeolithic to post-Classical chronological range and rich finds make it still the key Holocene archaeological site in North Africa. The reassessment shows, however, that the sequence is strongly discontinuous and this has major implications for the reinterpretation of the site, as the highly-resolved archaeological record is thus likely to reflect a series of brief occupations, rather than continuous human activity. As with many caves, the sedimentary record in the Haua Fteah is an extremely sensitive indicator of environments and processes in the wider landscape. Secure understanding of sedimentary process, from analysis of the highly individual records found in caves, is essential for full understanding of their contained archaeology. [Copyright &y& Elsevier]