(Table 1) Strontium isotope data for marine carbonates of sediment core CRP-3, supplement to: Lavelle, Mark (2001): Strontium isotope stratigraphy for CRP-3, Victoria Land Basin, Antarctica. Terra Antartica, 8(4), 593-598

Mark Lavelle
Strontium isotope stratigraphy was used to date 5 discrete horizons within the CRP-3 drillhole. A single in situ modiolid bivalve fragment at 10.88 mbsf gives an age of 30.9 (±0.8) Ma for the associated sediment. The four remaining well preserved fragments recovered from 29.94-190.31 mbsf are within error of this age, indicating a high sedimentation rate and suggesting little time is missing in disconformities. The diagenetic alteration of carbonate macrofossils by continental fluids (and possibly...
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