Table T2.

Table T2. Isotopic ages of acoustic basement cores from the southern Iberia Abyssal Plain.

Site	Mineral	Rock	Method	Age (Ma)	Stage	Source
900	Plagioclase	Metagabbro	⁴⁰Ar/³⁹Ar	136.4 ± 0.3	lower Valanginian	Féraud et al., 1996
1067	Magmatic zircon	Metagabbro	U/Pb	270 ± 3	lower Permian(late Hercynian)	Unpublished data*
1067	Hornblende	Metagabbro	⁴⁰Ar/³⁹Ar	161 ± 1	middle/upper Callovian	Manatschal et al., in press
1067	Plagioclase	Metagabbro	⁴⁰Ar/³⁹Ar	137.2 ± 0.5	upper Berriasian	Manatschal et al., in press
1069	Mica	Meta-arkosic wacke	⁴⁰Ar/³⁹Ar	348 ± 0.8	Visean	Manatschal et al., in press
1070	Hornblende	Hornblende gabbro pegmatite	⁴⁰Ar/³⁹Ar	119 ± 0.7	lower Aptian	Manatschal et al., in press
1070	Plagioclase	Hornblende gabbro pegmatite	⁴⁰Ar/³⁹Ar	110.3 ± 1.1	lower Albian	Manatschal et al., in press

Notes: Stages are taken from Gradstein et al. (1994) and Harland et al. (1990). * = R. Rubenach, N. Froitzheim, P. Wallace, M. Fanning, and R. Wyzsoczanski.