In this paper we review the main, long- and short-term geological and geotectonic processes that have controlled the development of Pleistocene landscapes in the Aegean region above and below the fluctuating sea level. We discuss the potential for further research on reconstruction of submerged landscapes of the continental shelf and beyond with the aim of addressing questions concerning Palaeolithic settlement. The geological, tectonic, morphological and hydrogeological background provides information for the assessment of the natural resources available to hominins. Along with the palaeogeographical evolution of the shallow coastal and shelf areas, they are examined in parallel with the terrestrial archaeological record in order to open windows to future work in a region that has remained marginal to human origins research. On the basis of the multi-variable tectonic evolution and geomorphological configuration of the coastal and shelf areas, we propose to divide the Aegean region into nine geographical units, each with its own geotectonic and morphological history and traits. These units can be further grouped to provide larger neighbouring and culturally meaningful regions, suitable for archaeological analysis, or subdivided to provide smaller target areas in which to work.
Deposits in caves and rock-shelters typically occur in the form of low-resolution palimpsests or timeaveraged deposits, resulting from the superimposition of repeated and variable episodes of occupation, low rates of sedimentation and mixing by natural and anthropogenic processes. Despite the development of an impressive array of analytical techniques to disentangle these palimpsests into their constituent episodes of occupation, high resolution chronologies and detailed snapshots of activity areas and spatial organization have proved elusive. Here we suggest that, rather than seeing palimpsests as a problem, we take them as they are, as mixtures of materials that may have been actively recognized as such by the prehistoric occupants and deliberately enhanced, providing both physical resources that could be recycled for subsequent use and material cues for a sense of time and place. We illustrate this approach through a comparison of the spatial and material structure of four Upper Palaeolithic cave deposits in Southeast Europe, focusing on hearths and hearth-related distributions of material as clues to the active role of palimpsests in determining the use histories of different places.
This is the final volume of the SPLASHCOS research network and marks the completion of an international and collaborative survey to compile and evaluate the known records of underwater material around Europe's coastlines, deposited during periods of low sea level and subsequently drowned by sea-level rise at the end of the Last Glacial Period. Some of these underwater finds, especially those exposed in the intertidal zone, have been known about since the last century but have languished in obscure publications, museum archives, or national sites and monument records. Systematic underwater investigation
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