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Geoarchaeological surveys were conducted in northern Cyrenaica in 2009 as part of the TRANS-NAP project. A major objective of the project is to understand tile relationship between regional environmental changes and human occupation patterns in northern Cyrenaica over approximately the past 200,000 years. This paper focuses on the results of surveys of the pre-desert and desert ecological zones in the south of the project's study region. The type, density and distribution of Palaeolithic sites were a particular focus of field research in the area. We report data from 42 archaeological sites in the pre-desert and desert zones, concentrating in particular on sites associated with palaeolakes and fan deposits. Analysis of the data reveals several patterns whereby particular archaeological signatures are associated with particular landforms. There is also a broader pattern across the region where sites assigned to the Middle Stone Age (MSA) period ate considerably more common than those characteristic of the Late Stone Age (LSA). It is argued that this geographic area is particularly sensitive to changes in global climate and that past occupation patterns during the Palaeolithic were strongly driven by changes in the region's hydrological regime. [ABSTRACT FROM AUTHOR]

The paper reports on the fourth (2010) season of fieldwork of the Cyrenaican Prehistory Project, and on further results of analyses of artefacts and organic materials collected in the 2009 season. Ground-based LiDar has provided both an accurate 3D scan of the Haua Fteah cave and information on the cave's morphometry or origins. The excavations in the cave focussed on Middle Palaeolithic or Middle Stone Age 'Pre-Aurignacian' layers below the base of the Middle Trench beside the McBurney Deep Sounding (Trench D) and on Final Palaeolithic 'Oranian' layers beside the upper part of the Middle Trench (Trench M). Although McBurney referred to the upper part of the Deep Sounding as more or less sterile, the 2010 excavations found evidence for small-scale but regular human presence in the form of stone artefacts and debitage, though given the sedimentary context the latter are unlikely to represent in situ knapping. The excavations of Trench M extended from the basal Capsian layers investigated in 2009 through Oranian layers to the transition with the Dabban Upper Palaeolithic. Some 17,000 lithic pieces have been studied from the Capsian and Oranian layers excavated in Trench M, in an area measuring less than 2 m by 1 m by 1.1 m deep, along with numerous animal brines, molluscs, and macrobotanical remains, as well as occasional shell beads. Preliminary. studies of the lithics, bones, molluscs, and plant remains are revealing the changing character of late Pleistocene (Oranian) and early Holocene (Capsian) occupation in the Haua Fteah. Alongside the work in the Haua Fteah, the project continued its assessment of the Quaternary and archaeological sequences of the Cyrenaican coastland and completed a transect survey of surface lithic materials and their landform contexts from the pre-desert across the Gebel Akhdar to the coast, with a new focus on the al-Marj basin. Significant differences are emerging in patterns of Middle Palaeolithic and later hominin occupation and palaeodemography. [ABSTRACT FROM AUTHOR]

The paper reports on the third (2009) season of fieldwork of the Cyrenaican Prehistory Project, and on further results from the analysis of materials collected in the previous (2007 and 2008) fieldwork. Sediments in a 14 m-deep core drilled beside the McBurney trench provide an invaluable overview of the overall stratigraphic sequence, including at depths reached by the 1950s Deep Sounding but not yet investigated by the present project. Sampling of newly-exposed faces of the original excavation trench for dating (14C, ESR, OSL, U-series) and palaeoenvirommental indicators continued. Excavation was begun of sediments assigned to the early Holocene Libyco-Capsian (McBurney's Layer X), and of Pre-Aurignacian layers beside the top of the Deep Sounding. The Libyco-Capsian layers are particularly prolific in lithic debris, shells, and animal bones; preliminary analysis of the lithics suggests a development from Typical to Upper Capsian within the layers excavated in 2009. Geoarchaeological survey along the littoral to the west and east of the Haua Fteah identified complex sequences spanning most of the last interglacial-glacial cycle. Geoarchaeological survey south of the Haua Fteah characterized the major landforms of the Gebel Akhdar mountain and of the pre-desert and desert-edge zones further south, with Late Stone Age (Upper Palaeolithic and Epipalaeolithic) material being found especially on the southern side of the Gebel Akhdar, and Middle Stone Age (Middle Palaeolithic) material in the pre-desert and desert regions. The first suite of 14C dates (from charcoal samples taken in 2007) indicates the use of the Haua Fteah by Oranian hunter-gatherers during the Last Glacial Maximum and in the succeeding millennia, but not in the Younger Dryas cold/dry phase (c. 11,000-10,000 cal. Bc), with Libyco-Capsian occupation resuming soon after the beginning of the Holocene c. 9000 cal. Bc, suggesting that the cave, and perhaps the Gebel Akhdar in general, have a complex history as refugia for human settlement during the Pleistocene. [ABSTRACT FROM AUTHOR]