@article{fdi:010092825, title = {{L}ower crustal thickening drives active uplift in {N}orthern {T}ibet}, author = {{L}iu, {S}. {Z}. and {X}u, {X}. {W}. and {N}ocquet, {J}ean-{M}athieu and {C}hen, {G}. {H}. and {T}an, {X}. {B}. and {J}ónsson, {S}. and {K}linger, {Y}.}, editor = {}, language = {{ENG}}, abstract = {{M}ountains in collisional orogens generally grow as crustal rocks are advected over low-angle thrust faults, suggesting a close relationship between tectonic uplift and upper crustal shortening. {F}or example, the {H}imalayas, hosting large-scale thrust fault systems, undergoes similar to 15-20 mm/year shortening and concomitant similar to 5 mm/year active uplift. {H}owever, geodetic observations reveal an active uplift of 1-2 mm/year across the {E}ast {K}unlun {S}han mountain range, the northern margin of the {T}ibetan {P}lateau, where no active thrust fault has been identified. {T}his active uplift is too fast to be explained by the limited horizontal shortening of at most 1.0 +/- 0.2 mm/year. {A}fter quantifying and correcting for contributions arising from erosion, (de)glaciation, and recent earthquakes, the uplift rate across the {E}ast {K}unlun {S}han still amounts to 1.0 +/- 0.5 mm/year. {O}ur simulations show that mantle processes cannot explain the {GPS}-observed uplift. {W}e find that lower crustal thickening, rather than upper crustal shortening alone, drives the ongoing uplift across the {E}ast {K}unlun {S}han, hence challenging our current views on mountain range dynamics.}, keywords = {{T}ectonic uplift ; {S}urface processes ; {L}ower crustal thickening ; {E}ast ; {K}unlun {S}han mountain range ; {T}ibetan plateau ; {XIZANG}}, booktitle = {}, journal = {{E}arth and {P}lanetary {S}cience {L}etters}, volume = {655}, numero = {}, pages = {119245 [ p.]}, ISSN = {0012-821{X}}, year = {2025}, DOI = {10.1016/j.epsl.2025.119245}, URL = {https://www.documentation.ird.fr/hor/fdi:010092825}, }