31 / 352
Early Permian times, and that the continental
collision took place following the closure of the
main Paleozoic ocean, the Rheic Ocean. This
ocean was generated after Late Cambrian-Early
Ordovician times, following the rifting and
progressive North drift of Avalonia and other
minor peri-Gondwanan terranes (Nance
et al.
,
2010; Stampfli and Borel, 2002; Murphy and
Nance, 2008; Murphy
et al.
, 2006).
15
3. GEOLOGICAL FRAMEWORK
Fig. 2. a
Geological map of the allochthonous complexes of the NW Iberian Massif (Galicia region).
b
Composite cross
section. The location and name of the most representative units are indicated.