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| Content Provider | Springer Nature Link |
|---|---|
| Author | Quesada, C. |
| Copyright Year | 1997 |
| Abstract | The major structural features of the Iberian Pyrite Belt are described in terms of geometry, deformation mechanisms, scale, timing, kinematics and the mutual relationships among the various architectural elements. The result of such an analysis allows this zone to be considered as a S-verging, thin-skinned, fold and thrust belt propagating southwards over a mid-crustal basal detachment. This was the response in the footwall of the suture to the major phase of Hercynian oblique collision between the South Portuguese Plate and the Ossa-Morena Zone of the Iberian Autochthon. This thin-skinned event inverted a previous extensional structure acquired during the initial stages of the collisional process and intimately linked to the formation of the ore deposits that make this region a world-class metallogenic province. (translated by E. Pascual) Se describen los rasgos estructurales mayores de la Faja Pirítica Ibérica, en cuanto a geometría, mecanismos de deformación, escala, cronología, cinemática y relaciones mutuas entre los diversos elementos arquitectónicos. El resultado de dicho análisis permite considerar la zona como un cinturón de pliegues y cabalgamientos de tipo “thin-skinned” vergentes al S, que se propagan hacia el S sobre un despegue basal mesocortical. Esta fue la respuesta en el bloque de muro de la sutura a la fase mayor de la colisión oblicua hercínica entre la placa sudportuguesa y la zona de Ossa Morena del autóctono ibérico. Este evento de tipo “thin-skinned” invierte una estructura extensional previa, adquirida durante la etapa inicial del proceso colisional e íntimamente ligada a la formación de los depósitos minerales que hacen de esta región una provincia metalogénica de importancia mundial. |
| Starting Page | 31 |
| Ending Page | 44 |
| Page Count | 14 |
| File Format | |
| ISSN | 00264598 |
| Journal | Mineralium Deposita |
| Volume Number | 33 |
| Issue Number | 1 |
| e-ISSN | 14321866 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1997-12-02 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geophysics Economic Geology Geochemistry and Petrology |
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