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      Eolian cannibalism: Reworked loess and fluvial sediment as the main sources of the Chinese Loess Plateau

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          Onset of Asian desertification by 22 Myr ago inferred from loess deposits in China.

          The initial desertification in the Asian interior is thought to be one of the most prominent climate changes in the Northern Hemisphere during the Cenozoic era. But the dating of this transition is uncertain, partly because desert sediments are usually scattered, discontinuous and difficult to date. Here we report nearly continuous aeolian deposits covering the interval from 22 to 6.2 million years ago, on the basis of palaeomagnetic measurements and fossil evidence. A total of 231 visually definable aeolian layers occur as brownish loesses interbedded with reddish soils. This new evidence indicates that large source areas of aeolian dust and energetic winter monsoon winds to transport the material must have existed in the interior of Asia by the early Miocene epoch, at least 14 million years earlier than previously thought. Regional tectonic changes and ongoing global cooling are probable causes of these changes in aridity and circulation in Asia.
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            Correlation between climate events in the North Atlantic and China during the last glaciation

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              On the visualisation of detrital age distributions

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                Author and article information

                Journal
                Geological Society of America Bulletin
                Geological Society of America Bulletin
                Geological Society of America
                0016-7606
                1943-2674
                April 28 2016
                May 08 2016
                : 128
                : 5-6
                : 944-956
                Article
                10.1130/B31375.1
                a25cd6ab-9543-42fa-8f2a-88d5c5c343bc
                © 2016
                History

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