Age determination with strontium isotopes on sediment core CRP-1 from the Ross Sea, Antarctica, supplement to: Lavelle, Mark (1998): Strontium isotope stratigraphy of the CRP-1 drillhole, Ross Sea, Antarctica. Terra Antartica, 5(3), 691-696

Mark Lavelle
Strontium isotope stratigraphy was used to date five discrete horizons within CRP-1. Early and late Quaternary (0.87-1.3 Ma and 0-0.67 Ma respectively) age sediments overlie a major sequence boundary at 43.15 meters below sea floor (mbsf). This hiatus is estimated to account for ~16 m.y. of missing section. Early Miocene (16.6-~20.8-25 Ma) age deposits below this boundary are in turn cut by multiple erosion surface representing hiatus is of between 0.2 and 1.2 m.y. Estimated...
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