This work presents the results of a detailed geological mapping and structural study of the Spanish Central
System batholith, in the central part of the Gredos Massif. The internal contacts in the batholith are
parallel to the magmatic and solid-state foliations, defining a complex of sheeted intrusive (granodiorites,
basic rocks, leucogranites) and migmatitic rocks. Upright, closed, NE-SW trending folds, late with respect
to the intrusion of the igneous rocks affect foliations and contacts. Emplacement and folding are younger
than the D3 Variscan phase of the Central-Iberian Zone, and older than the extensional and transcurrent
late-Variscan stages