Hesperian Massif

The Iberian Massif (also Hesperian, Hesperic, Hercynian Massif or Meseta block) is the pre-Mesozoic core of the Iberian Peninsula. Roughly covering the western half of the Peninsula,[1] it includes all its Precambrian and Paleozoic materials and it is limited by the Cantabrian Sea to the North, the Atlantic Ocean to the West, the Guadalquivir sedimentary basin to the South. The western part features Paleozoic materials, while the east part features basins covered by Tertiary deposits.[1]

Not to be confused with Sistema Ibérico.
The Hesperian Massif (left) along other Hercynian structures in Western Europe

The outline of the massif is formed by geological units such as the Ollo de sapo, the Cantabrian zone, the Central Iberian Zone, the catazonal complexes (probably Precambrian age) in north-western Spain and northern Portugal, the Pedroches batholith, the Ossa-Morena Zone, the South-Portuguese Zone, the Narcea series and the West Asturian–Leonese zone.[2]

References
Citations
  1. Sala 1984, p. 294.
  2. Van der Meer Mohr et al. 1981, p. 461.
Bibliography
  • Sala, M. (1984). "The Iberian Massif". In Embleton, Clifford (ed.). Geomorphology of Europe. Macmillan Education UK. pp. 294–322. doi:10.1007/978-1-349-17346-4_12. ISBN 978-1-349-17346-4.
  • Van der Meer Mohr, C. G.; Kuijper, R. P.; van Calsteren, P. W. C.; den Tex, E. (1981). "The Hesperian Massif: From Iapetus aulacogen to ensialic orogen a model for its development". Geologische Rundschau. 70 (2): 459–472. doi:10.1007/bf01822126. S2CID 129599350.
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