1 Pleistocene volcanism and the geomorphological record of the Hrazdan Valley, central Armenia: linking 2 landscape dynamics and the Palaeolithic record 3 J. E. Sherriff1*, K. N. Wilkinson2, D. S. Adler3, D. Arakelyan4, E. J. Beverly5, S.P.E Blockley1, B. Gasparyan6, D. F. 4 Mark7, K. Meliksetyan4, S. Nahapetyan8, K. J. Preece9, R.G.O Timms1 5 *Corresponding author:
[email protected] 6 1Centre for Quaternary Research, Department of Geography, Royal Holloway, University of London, Egham, 7 Surrey, TW20 0EX 8 2Department of Archaeology, Anthropology and Geography, University of Winchester, Winchester, SO22 9 4NR, UK. 10 3Department of Anthropology, Old World Archaeology Program, University of Connecticut, 354 Mansfield 11 Road, Unit 2176, Storrs, CT 06269, USA 12 4Institute of Geological Sciences, National Academy of Sciences of the Republic of Armenia, 24a Marshall 13 Baghramyan Avenue, 0019, Yerevan, Armenia. 14 5Department of Earth and Atmospheric Sciences, University of Houston, 507 Cullen Boulevard, Houston, TX 15 77204-5007, USA 16 6Institute of Archaeology and Ethnography, National Academy of Sciences of the Republic of Armenia, 17 Charents 15, 375019 Yerevan, Armenia. 18 7NERC Argon Isotope Facility, Scottish Universities Environmental Research Centre, Scottish Enterprise and 19 Technology Park, Rankine Avenue, East Kilbride, G75 0QF, UK. 20 8Department of Cartography and Geomorphology, State University of Yerevan, Alek Manukyan 1, 375049 21 Yerevan, Armenia. 22 9Department of Geography, College of Science, Swansea University, Singleton Park, Swansea, SA2 8PP, UK 23 Keywords 24 Pleistocene, palaeogeography, volcanism, geomorphology, Palaeolithic, Gegham Range, tectonism, 40Ar/39Ar 25 chronology, Southern Caucasus 26 Abstract 27 The Southern Caucasus lies at the intersection of Africa, the Levant and Eurasia, and is thus a region of 28 considerable interest in the study of Pleistocene hominin population dynamics and behaviour.