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The Göllüda? obsidian lava flow system is relatively complex. More than ten different obsidian outcrops and knapping workshops have been identified around this volcano. Their importance for long and short distances obsidian supply has already been demonstrated.One of the main problem encountered when studying the Göllüda? obsidian flows, is the great chemical similarity of some of them. The use of the geochemical approach to solve the problems of obsidian trade around the Göllüda? is therefore insufficient. A multi-disciplinary program joining archaeology, geochemistry and geomorphology, was thus started to understand the relationships between the different obsidian flows and to draw the pattern of the Göllüda? obsidian trade.Our archaeological and geomorphologic approach will help us to understand which obsidian outcrops were available during the Palaeolithic and Neolithic periods.Also our geomorphologic approach, linked to intensive geochemical analyses, will help us to understand the spatial variability of the geochemistry of the obsidian outcrops. Lithic technology will also give information about the different knapping methods used at the workshops.  相似文献   
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In the wake of the killings at Charlie Hebdo offices and in a kosher supermarket in January 2015, an unprecedented national mobilization took place in France in defence of the endangered ‘values of the Republic’: liberty, equality, fraternity, to which had been added laïcité, the French version of secularism. However, the unanimity was soon disrupted as some did not join the ‘Je suis Charlie’ movement, questioning the double standard in the implementation of these principles. This essay analyzes the variations and flaws in the application of liberty, in particular free speech, and of laïcité, to the detriment of Islam, and discusses how equality and fraternity are currently undermined by social disparities and racial discriminations, which are in part inherited from the colonial past. Although they might seem untimely in such consensual moments, these meditations invite a critical reflection on the contradictions of contemporary democracies.  相似文献   
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Journal of Archaeological Method and Theory - We review palaeoenvironmental proxies and combinations of these relevant for understanding hunter-gatherer niche construction activities in...  相似文献   
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