Found 194 datasets

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Sediment sequence and site formation processes at the Arbreda Cave, NE Spain, and implications on human occupation and climate change during the Last Glacial doi Spatial

The cave of Arbreda provides a detailed archaeological record of the Middle to Upper Palaeolithic and is a key site for studying human occupation and cultural transitions in NE Iberia. Recently, studies of lake archives and archaeological sites presented new evidence on climate changes in NE Iberia correlating with Heinrich events. It, therefore, needs to be determined whether climate signals can be identified in the cave sequence of Arbreda, and if so, whether these signals can be correlated with...
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Distinct lake level lowstand in Lake Prespa (SE Europe) at the time of the 74 (75) ka Toba eruption doi Spatial

The 74 (75) ka Toba eruption in Sumatra, Indonesia, is considered to be one of the largest volcanic events during the Quaternary. Tephra from the Toba eruption has been found in many terrestrial and marine sedimentary deposits, and acidity peaks related to the eruption have been used to synchronize ice core records from Greenland and Antarctica. Seismic profiles and sedimentological data from Lake Prespa on the Balkan Peninsula, SE Europe, indicate a lake level lowstand at 73.6 7.7 ka based on ESR dating...
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Climate variability over the last 92 ka in SW Balkans from analysis of sediments from Lake Prespa Spatial

The transboundary Lake Prespa (Albania/former Yugoslav Republic of Macedonia/Greece) has been recognized as a conservation priority wetland. The high biodiversity encountered in the catchment at present points to the refugial character of this mountainous region in the southwestern Balkans. A lake sediment core retrieved from a coring location in the northern part of the lake was investigated through sedimentological, geochemical, and palynological analyses. Based on tephrochronology, radiocarbon and...
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Late Pleistocene and Holocene contourite drift in Lake Prespa (Albania/F.Y.R. of Macedonia/Greece) doi Spatial

Hydro-acoustic surveys and coring campaigns at Lake Prespa were carried out between 2007 and 2009. This paper presents hydro-acoustic profiles and provide lithological and chronostratigraphical information from three up to 15.75 m long sediment sequences from the Macedonian side of the lake. The sediment sequences comprise glacial and interglacial sediments likely deposited from the end of Marine Isotope Stage (MIS) 5 to present day. The information implies a distinct change of sedimentation patterns at the...
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Understanding past climatic and hydrological variability in the Mediterranean from Lake Prespa sediment isotope and geochemical record over the Last Glacial cycle doi Spatial

Here we present stable isotope and geochemical data from Lake Prespa (Macedonia/Albania border) over the Last Glacial cycle (Marine Isotope Stages 5-1) and discuss past lake hydrology and climate (TIC, oxygen and carbon isotopes), as well as responses to climate of terrestrial and aquatic vegetation (TOC, Rock Eval pyrolysis, carbon isotopes, pollen). The Lake Prespa sediments broadly fall into 5 zones based on their sedimentology, geochemistry, palynology and the existing chronology. The Glacial sediments...
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Out of Africa, the Nile Valley and the Northern Route Spatial

Hypotheses on the dispersal patterns of modern humans out of Africa have undergone much change in the past decade, with new ideas on the routes and geographic extent of movements proposed. New data and perspectives from the Nile Valley necessitate reassessment of the role of the Northern Route. Here, fossil evidence and technological strategies followed in the Nile Valley between 200 000 to 300 000 years ago, and its relevance to dispersal patterns are discussed. Most of the sites in the Nile Valley relate...
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Late Neanderthals at Jarama VI (central Iberia)? doi Spatial

Previous geochronological and archaeological studies on the rock shelter Jarama VI suggested a late survival of Neanderthals in central Iberia and the presence of lithic assemblages of Early Upper Paleolithic affinity. New data on granulometry, mineralogical composition, geochemical fingerprints and micromorphology of the sequence corroborate the previous notion that the archaeological units JVI.2.1 to JVI.2.3 are slackwater deposits of superfloods, which did not experience significant post-depositional...
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The karst site of Las Palomas (Guadalteba County, Málaga, Spain): A preliminary study of its Middle-Late Pleistocene archaeopaleontological record doi Spatial

Cleaning works in the cave of Las Palomas in Teba (Mlaga, Spain), developed by the Guadalteba Consortium, have provided a number of lithic tools and knapping products that may be ascribed to the Mode III technotypological tradition as well as remains of a number of large mammal species typical of Middle-Late Pleistocene times. Topographic measurements help to place this ancient cave within a karst landform. This discovery opens up new perspectives in the research on the Neanderthal groups that inhabited the...
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Raman spectroscopy analysis of Palaeolithic industry from Guadalteba terrace river, Campillos (Guadalteba county, Southern of Iberian Peninsula). doi Spatial Temporal

A representative set of eight lithic tools suitably selected among the very rich Palaeolithic industry collected over the past years in different archaeological sites of the Guadalteba County (Mlaga, Spain) has been nondestructively investigated by means of Raman spectroscopy using both portable and benchtop Raman spectrometers. This article reports on the first archaeometric Raman analysis of these archaeological samples with the scope of checking if these readily available, nondestructive, fast and...
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The Repeated Replacement Model – Rapid Climate Change and Population Dynamics in Upper Pleistocene Europe. doi Spatial

The disappearance of Neanderthals from the Palaeolithic record in Europe remains an enigma, even after more than 150 years of research. This paper identifies Rapid Climate Change during the Glacial period as a major factor that influences a variety of cultural, economic and demographic processes during the European Palaeolithic. In particular, and in agreement with many previous authors, climatic deterioration is put forward to explain multiple population breakdown during the European Palaeolithic, as well...
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Die Klingentechnologie von Mochena Borago / Äthiopien. Innovation vor 40 000 Jahren. Arbeit zur Erlangung des Master of Arts. Köln 2013 Spatial

The emergence of blade technology is often seen as an important indicator for the spread of modern humans from Africa to Eurasia and its evolution has been widely researched in Europe and the Middle East. However technological studies from the supposed original area of Homo sapiens, the Horn of Africa and especially Ethiopia, are still lacking, as well as a generally accepted lithic typology. Therefore a detailed comparative technological study of the late Middle Stone Age (40-45 ka) inventories of Mochena...
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B1_Jordan_Sedimentology and Geochemistry (Bertrams et al. 2012_QI) Spatial

Database containing the detailed laboratory results from sedimentological and geochemical analysis obtained from Upper Pleistocene sediment stratigraphies in the Wadi Sabra (Jordan) as published in Bertrams et al. (2012): Multiple environmental change at the time of the Modern Human passage through the Middle East – First results from geoarchaeological investigations on Upper Pleistocene sediments in the Wadi Sabra (Jordan). Quaternary International 274, 55-72.
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