Extensive glaciation in Transbaikalia, Siberia, at the Last Glacial Maximum

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dc.contributor.authorMargold, Men_AU
dc.contributor.authorJansen, JDen_AU
dc.contributor.authorGurinov, ALen_AU
dc.contributor.authorCodilean, ATen_AU
dc.contributor.authorFink, Den_AU
dc.contributor.authorPreusser, Fen_AU
dc.contributor.authorReznichenko, NVen_AU
dc.contributor.authorMifsud, Cen_AU
dc.date.accessioned2021-12-16T03:03:37Zen_AU
dc.date.available2021-12-16T03:03:37Zen_AU
dc.date.issued2016-01-15en_AU
dc.date.statistics2021-11-14en_AU
dc.description.abstractSuccessively 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 10Be 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. © 2015 Elsevier Ltd.en_AU
dc.identifier.citationMargold, M., Jansen, J. D., Gurinov, A. L., Codilean, A. T., Fink, D., Preusser, F., Reznichenko, N. V., & Mifsud, C. (2016). Extensive glaciation in Transbaikalia, Siberia, at the Last Glacial Maximum. Quaternary Science Reviews, 132, 161-174. doi:10.1016/j.quascirev.2015.11.018en_AU
dc.identifier.issn0277-3791en_AU
dc.identifier.journaltitleQuaternary Science Reviewsen_AU
dc.identifier.pagination161-174en_AU
dc.identifier.urihttps://doi.org/10.1016/j.quascirev.2015.11.018en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12489en_AU
dc.identifier.volume132en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectGlaciersen_AU
dc.subjectAge estimationen_AU
dc.subjectLuminescenceen_AU
dc.subjectBeryllium 10en_AU
dc.subjectLake Baikalen_AU
dc.subjectMountainsen_AU
dc.subjectIceen_AU
dc.subjectGeomorphologyen_AU
dc.titleExtensive glaciation in Transbaikalia, Siberia, at the Last Glacial Maximumen_AU
dc.typeJournal Articleen_AU
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