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U series dating of paleolithic art

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Caves of Monte Castillo

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Uranium-series dating reveals Iberian paintings are Europe's oldest cave art -- ScienceDaily

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Paleolithic aesthetics: Collecting colorful flint pebbles at Middle Pleistocene Qesem Cave, Israel Ella Assaf Tel-Aviv University Keywords: Qesem Cave; Lower Paleolithic; flint pebbles; aesthetic perceptions; human evolutio Abstract This paper sheds light on the presence and significance of unusually small, colorful, unmodified, flint pebbles unearthed at Qesem Cave, a late Lower Paleolithic site in Israel. For over two million years, early humans were noticing, collecting and bringing "home" various non-utilitarian objects with aesthetic visible characteristics, in what seems to reflect a basic human trait. Archaeological findings suggest that as early as the Lower Paleolithic, prehistoric humans were also guided by considerations other than economic, cost-benefit ones.
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Given the difficulties of dating cave art other than drawings created with charcoal, which can be directly dated by 14C , indirect dating methods have been sought. In these cases, the age of calcite formation is assumed to provide a minimum age terminus ante quern for the underlying paintings or engravings or a maximum age terminus post quern when it is the support that is dated. An initial difficulty is that thorium may be present in the calcite from the beginning detritic thorium , making age corrections necessary. Another difficulty is that in the humid conditions prevalent in caves, the walls may have been subject to runoff over time. In this case, thin calcite layers covering paintings or engravings may have been altered, with possible chemical exchange between the water and the calcite.
From: Magal(30 videos) Added: 11.09.2019 Views: 771
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