Slip-Rate Measurements on the Karakorum Fault May Imply Secular Variations in Fault Motion Export

@article{ChevalierScience05, abstract = {Beryllium-10 surface exposure dating of offset moraines on one branch of the Karakorum Fault west of the Gar basin yields a long-term (140- to 20-thousand-year) right-lateral slip rate of [\~{}]10.7 +/- 0.7 millimeters per year. This rate is 10 times larger than that inferred from recent InSAR analyses ([\~{}]1 +/- 3 millimeters per year) that span [\~{}]8 years and sample all branches of the fault. The difference in slip-rate determinations suggests that large rate fluctuations may exist over centennial or millennial time scales. Such fluctuations would be consistent with mechanical coupling between the seismogenic, brittle-creep, and ductile shear sections of faults that reach deep into the crust. 10.1126/science.1105466}, author = {Chevalier, M. L. and Ryerson, F. J. and Tapponnier, P. and Finkel, R. C. and Van Der Woerd, J. and Haibing, Li and Qing, Liu}, citeulike-article-id = {788305}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1105466}, citeulike-linkout-1 = {http://www.sciencemag.org/cgi/content/abstract/307/5708/411}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/15662010}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=15662010}, day = {21}, doi = {10.1126/science.1105466}, journal = {Science}, keywords = {cosmogenic, secular\_variation, slip\_rate}, month = {January}, number = {5708}, pages = {411--414}, posted-at = {2006-08-07 02:23:50}, priority = {2}, title = {Slip-Rate Measurements on the Karakorum Fault May Imply Secular Variations in Fault Motion}, url = {http://dx.doi.org/10.1126/science.1105466}, volume = {307}, year = {2005} }

TY - JOUR ID - ChevalierScience05 L3 - citeulike-article-id:788305 N2 - Beryllium-10 surface exposure dating of offset moraines on one branch of the Karakorum Fault west of the Gar basin yields a long-term (140- to 20-thousand-year) right-lateral slip rate of [~]10.7 +/- 0.7 millimeters per year. This rate is 10 times larger than that inferred from recent InSAR analyses ([~]1 +/- 3 millimeters per year) that span [~]8 years and sample all branches of the fault. The difference in slip-rate determinations suggests that large rate fluctuations may exist over centennial or millennial time scales. Such fluctuations would be consistent with mechanical coupling between the seismogenic, brittle-creep, and ductile shear sections of faults that reach deep into the crust. 10.1126/science.1105466 IS - 5708 JF - Science EP - 414 TI - Slip-Rate Measurements on the Karakorum Fault May Imply Secular Variations in Fault Motion VL - 307 SP - 411 KW - cosmogenic KW - secular_variation KW - slip_rate AU - Chevalier, ML AU - Ryerson, FJ AU - Tapponnier, P AU - Finkel, RC AU - Van Der Woerd, J AU - Haibing, Li AU - Qing, Liu PY - 2005/01/21/ UR - http://dx.doi.org/10.1126/science.1105466 ER -