By Günther A. Wagner
The Quaternary, which spans nearly the final 2 million years, is characterised by way of dramatic environmental adjustments, generally known as the "ice age". in this interval, guy along with his manifold cultures advanced. makes an attempt at relationship those occasions as adequately as attainable have made nice growth. The vast spectrum of actual and chemical relationship equipment, now to be had for relationship human artifacts and Quaternary rocks, is turning into more and more tough to know. during this e-book many of the chronometric suggestions are comprehensively and intelligibly taken care of. by way of a number of case stories, taken from archaeology and Quaternary geology, the aptitude and challenge of those options are tested. The publication is meant mostly for scientists and scholars of those fields, however the layman can also locate its lucrative.
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Extra resources for Age Determination of Young Rocks and Artifacts. Physical and Chemical Clocks in Quaternary Geology and Archaeology
The extensive bleaching of TL (Sect. 1) during aeolian transport is an excellent prerequisite for dating. The polymineral fine-grain fraction is mostly used. For the last glacial-interglacial cycle, i. 5 Sediments 29 loess composition and the method applied. Because of its high light sensitivity the signal of the optically stimulated luminescence (OSL) method also (Sect. 7-2) is suitable for dating. The ESR method provides another possibility of dating loess « 1 Ma; Sect. 3). The 10 Be content (Sect.
4; <40 ka). The remanent magnetization inherent in cave sediments and calcareous sinters offers a potential for paleomagnetic dating (Chap. 9). 10 Travertine At the mouths of calcareous springs changes of pressure and temperature result in calcareous precipitates. These sinter terraces, called travertine or calcareous tufa, preferably form under humid climatic conditions. The travertine deposits of central Europe, which partly reach conspicuous thickness, are therefore assigned to the warmer periods of the Quaternary.
Since continental sediments also record the polarity changes, magnetostratigraphy allows the linkage of continental to deep-sea chronology. 2 Materials In the present chapter geological, archaeological and historical materials will be listed that can be analyzed by means of the dating methods which are the content of this book. This introduction to the various materials and their characteristic properties will allow material-oriented access to the book. The chronological significance of the individual materials will be briefly discussed with reference to the appropriate dating methods.
Age Determination of Young Rocks and Artifacts. Physical and Chemical Clocks in Quaternary Geology and Archaeology by Günther A. Wagner