@article{fdi:010080481, title = {{F}irst record of {OSL}-dated fluvial sands in a tropical {A}ndean cave reveals rapid late {Q}uaternary tectonic uplift}, author = {{B}aby, {P}atrice and {V}iveen, {W}. and {S}anjurjo-{S}anchez, {J}. and {B}igot, {J}. {Y}. and {D}osseto, {A}. and {V}illegas-{L}anza, {J}. {C}. and {A}paestegui, {J}. and {G}uyot, {J}ean-{L}oup}, editor = {}, language = {{ENG}}, abstract = {{W}e present the first results of {OSL}-dated fluvial sands extracted from a riverside cave in the tropical {A}ndes. {T}he excellent agreement between the ages of the various samples allowed the calculation of a late {Q}uaternary valley incision rate forced by ongoing uplift of an active {S}ubandean fault-propagation fold in {NE} {P}eru. {A} structural cross-section was constructed to understand the relationship between the geometry of the fault-propagation fold, historical damaging earthquakes and the cave system. {T}he calculated uplift rate is 2.3 to 2.6 mm a(-1) over the past 70 ka and can be directly linked to active propagation of west-verging basement thrusts. {I}t is similar to uplift rates calculated from fluvial terraces in the {S}ubandes of {C}olombia and {V}enezuela. {T}he results will help to better assess the seismic hazard and confirm that {OSL} dating of fluvial sands in caves is a powerful tool to quantify uplift rates of active mountain fronts.}, keywords = {{PEROU} ; {ANDES} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{T}erra {N}ova}, volume = {33}, numero = {3}, pages = {262--273}, ISSN = {0954-4879}, year = {2021}, DOI = {10.1111/ter.12512}, URL = {https://www.documentation.ird.fr/hor/fdi:010080481}, }