Gondwanan basement terranes of the Variscan–Appalachian orogen: Baltican, Saharan and West African hafnium isotopic fingerprints in Avalonia, Iberia and the Armorican Terranes

1. Henderson, B.J.
2. Collins, W.J.
3. Murphy, J.B.
4. Gutierrez-Alonso, G.
5. Hand, M.