UPLIFT AT THERMO-MECHANICALLY COUPLED OCEAN-CONTINENT TRANSFORMS - MODELED AT THE SENJA FRACTURE-ZONE, SOUTHWESTERN BARENTS SEA

Estimates of uplift al ocean-continent transform margins vary signific antly between models incorporating both thermal conduction and viscous coupling across the transform and models taking only one of these pro cesses into account. More heat is predicted to be conducted and advect ed into the continental lithosphere in combined models than in conduct ive models. Nevertheless, tectonic uplift predicted by the combined mo dels is only half that predicted conductive models. This is because vi scous coupling implies crustal thinning close to the transform. The fo rm and amplitude of uplift in the combined models agree well with eros ion estimates along a seismic transect across the Senja shear margin, in the southwestern Barents Sea.