Hf Isotopes – A Tracer for Physical Weathering ?

zirc

on d

est

ruct

ion

continental weathering

without zircon input

Martin Frank (IFM-GEOMAR) & Tina van de Flierdt (L-DEO)

First Hf isotope data froma transect along the easternAtlantic Ocean (Rickli et al., unpubl.)

LSW: very low values

Drake P./Cape Basin: highest values

surface waters: similar values except close to Canaries

Surface Water Hf Isotopes Along the Eastern Atlantic Ocean

Phoebe Lam