39Ar/40Ar ratios of whole rock samples from ODP Hole 107-655B and 107-651A (Table 1), supplement to: Feraud, Gilbert (1990): 39Ar-40Ar Analysis on Basaltic Lava Series of Vavilov Basin, Tyrrhenian Sea (Ocean Drilling Program, Leg 107, Holes 655B and 651A). In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 93-97

Gilbert Feraud
Six whole rocks from the basaltic lava series drilled in the Vavilov basin have been analyzed by 39Ar-40Ar stepwise heating method. One sample from the upper part of the Hole 655B basement gave a plateau-age at 4.3 ± 0.3 Ma whereas the other ones showed disturbed age spectra caused by alteration processes. The weighted averages of ages measured at low and intermediate temperatures on these five samples are concordant (1) one to each other and...
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