Dip-slip rate determined by cosmogenic surface dating on a Holocene scarp of the Daju fault, Yunnan, China

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dc.contributor.authorKong, Pen_AU
dc.contributor.authorFink, Den_AU
dc.contributor.authorNa, CGen_AU
dc.contributor.authorXiao, Wen_AU
dc.date.accessioned2011-01-18T04:19:14Zen_AU
dc.date.available2011-01-18T04:19:14Zen_AU
dc.date.issued2010-10-08en_AU
dc.date.statistics2010-10-08en_AU
dc.description.abstractThe Daju and Lijiang-Daju fault zones which bound the Yulong Mountains on its northern and eastern perimeters, respectively, are segments of a continuous fault system that bends at Daju. Uplift of the Yulong Mountains, the southernmost glacierized mountain range in Eurasia, resulted from the normal faulting characteristics of the fault system. Using cosmogenic surface exposure dating with 10Be and 26Al, we have measured bedrock exposure ages as a function of elevation along an exposed bedrock scarp of the Daju fault. 10Be and 26Al exposure ages increase monotonically with elevation ranging from 2.6 to 9.6 ka over the 51 m scarp length giving an average dip-slip rate of 7.5 m/ka during the Holocene period and a vertical uplift rate of 5.7 m/ka. The 5.7 m/ka Holocene uplift rate and supporting geomorphic features suggest that the uplift of the Yulong Mountains mainly occurred in the Quaternary. The fast slip rate and seismic quiescence for the recent 2.8 ka call attention to the possible recurrence of large magnitude earthquake events along the fault zone. © 2010, Elsevier Ltd.en_AU
dc.identifier.citationKong, P., Fink, D., Na, C. G., & Xiao, W. (2010). Dip-slip rate determined by cosmogenic surface dating on a Holocene scarp of the Daju fault, Yunnan, China. Tectonophysics, 493(1-2), 106-112. doi:10.1016/j.tecto.2010.07.006en_AU
dc.identifier.govdoc3138en_AU
dc.identifier.issn0040-1951en_AU
dc.identifier.issue1-2en_AU
dc.identifier.journaltitleTectonophysicsen_AU
dc.identifier.pagination106-112en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.tecto.2010.07.006en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2939en_AU
dc.identifier.volume493en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectChinaen_AU
dc.subjectSlip ratioen_AU
dc.subjectAge estimationen_AU
dc.subjectQuaternary perioden_AU
dc.subjectGeologic faultsen_AU
dc.subjectMountainsen_AU
dc.titleDip-slip rate determined by cosmogenic surface dating on a Holocene scarp of the Daju fault, Yunnan, Chinaen_AU
dc.typeJournal Articleen_AU
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