TY  - JOUR
A1  - Margold, Martin
A1  - Jansen, John D.
A1  - Gurinov, Artem L.
A1  - Codilean, Alexandru T.
A1  - Fink, David
A1  - Preusser, Frank
A1  - Reznichenko, Natalya V.
A1  - Mifsud, Charles
T1  - Extensive glaciation in Transbaikalia, Siberia, at the Last Glacial Maximum
JF  - Quaternary science reviews : the international multidisciplinary research and review journal
N2  - Successively smaller glacial extents have been proposed for continental Eurasia during the stadials of the last glacial period leading up to the Last Glacial Maximum (LGM). At the same time the large mountainous region east of Lake Baikal, Transbaikalia, has remained unexplored in terms of glacial chronology despite clear geomorphological evidence of substantial past glaciations. We have applied cosmogenic Be-10 exposure dating and optically stimulated luminescence to establish the first quantitative glacial chronology for this region. Based on eighteen exposure ages from five moraine complexes, we propose that large mountain ice fields existed in the Kodar and Udokan mountains during Oxygen Isotope Stage 2, commensurate with the global LGM. These ice fields fed valley glaciers (>100 km in length) reaching down to the Chara Depression between the Kodar and Udokan mountains and to the valley of the Vitim River northwest of the Kodar Mountains. Two of the investigated moraines date to the Late Glacial, but indications of incomplete exposure among some of the sampled boulders obscure the specific details of the post-LGM glacial history. In addition to the LGM ice fields in the highest mountains of Transbaikalia, we report geomorphological evidence of a much more extensive, ice-cap type glaciation at a time that is yet to be firmly resolved. (C) 2015 Elsevier Ltd. All rights reserved.
KW  - Glaciation
KW  - Transbaikalia
KW  - Last Glacial Maximum
KW  - Cosmogenic Be-10 exposure dating
KW  - Optically stimulated luminescence
Y1  - 2016
U6  - https://doi.org/10.1016/j.quascirev.2015.11.018
SN  - 0277-3791
VL  - 132
SP  - 161
EP  - 174
PB  - Elsevier
CY  - Oxford
ER  -