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"Neogene aridification and lake development in the Issyk-Kul basin, Kyr" by Anna Kudriavtseva, Edward R. Sobel et al.

Uplift of the Tian Shan range modified regional climate during Cenozoic aridification in Central Asia. This study presents facies analyses and Neogene oxygen and carbon isotopic records from magnetostratigraphically dated terrestrial sedimentary sections on the southern side of the intermontane Issyk-Kul basin in the Kyrgyz Tian Shan and 26Al/10Be isochron burial ages from the southern and eastern sides of the basin. The δ18O and δ13C data show a positive ca. 2‰ shift in values between ca. 8 and 7 Ma and a change from a negative to a positive trend. This change is attributed to the upwind growth of the Kyrgyz, Kungey and Trans Ili (Zaili) ranges, which diverted the westerlies, thereby changing the Issyk-Kul basin from a windward to a leeward position, enhancing aridification and establishing the modern-day spring and summer precipitation regime within the basin. Two 4 to 5 Ma 26Al/10Be isochron burial ages constrain the onset of Sharpyl Dak deposition on the eastern side of the bas ....

Issyk Kul , Ysyk Kög , Oshskaya Oblast , Ili Zaili , Tian Shan , Kyrgyz Tian Shan , Trans Ili , Sharpyl Dak , Northern Hemisphere , Cenozoic Aridification , Central Asia , Osmogenic Al Be 26 10 , Ectonic Uplift ,

"Controls on denudation along the East Australian continental margin" by A. T. Codilean, R. H. Fülöp et al.


Abstract
We report a comprehensive inventory of Be-based basin-wide denudation rates (n = 160) and Al/ Be ratios (n = 67) from 48 drainage basins along a 3000 km stretch of the East Australian passive continental margin. We provide data from both basins draining east of the continental divide (n = 37) and discharging into the Tasman and Coral Seas, and from basins draining to the west as part of the larger Murray-Darling and Lake Eyre river systems (n = 11). Be-derived denudation rates in mainstem samples from east-draining basins range between 7.7 ± 1.9 (± 1σ; Mary) and 54.6 ± 13.7 mm kyr (North Johnstone). Denudation rates in tributary samples range between 3.0 ± 0.7 (Burdekin) and 70.2 ± 18.9 mm kyr (Liverpool). For west-draining basins, denudation rates are overall lower and with a more restricted range of 4.8 ± 1.2 (Barcoo) to 15.4 ± 3.6 mm kyr (Maranoa) in mainstem samples, and between 4.4 ± 1.0 (Murrumbidgee) and 38.5 ± 7.8 mm kyr (Murray) in tributary ....

Lake Eyre , South Australia , Western Australia , Beast Australian , Coral Seas , North Johnstone , Osmogenic Be 10 , Osmogenic Al Be 26 10 , Great Dividing Range , Assive Continental Margin , ஏரி கண் , தெற்கு ஆஸ்திரேலியா , மேற்கு ஆஸ்திரேலியா , கிழக்கு ஆஸ்திரேலிய , பவளம் கடல்கள் , வடக்கு ஜான்ஸ்டோன் ,