Keywords: Hercynides NL.svg Matte P ; 2001 The Variscan collage and orogeny 480±290 Ma and the tectonic definition of the Armorica microplate a review Terra Nova 13 122-128 Ziegler P A ; 1990 Geological Atlas of Western and Central Europe Shell Internationale Petroleum Maatschappij BV 2<sup>e</sup> druk ISBN 90-6644-125-9 own Woudloper Image Hercynides EN svg Image Hercynides DE svg Translation possible Variscan orogeny Carboniferous SVG geology Structural geology maps Maps in Dutch Maps of past tectonic plates |