Tectonostratigraphy of Middle and Upper Palaeozoic black shales from the Porto-Tomar-Ferreira do Alentejo shear zone (W Portugal): new perspectives on the Iberian Massif
Middle/late Devonian and early Carboniferous metasedimentary sequences in the northernmost region (Porto-Espinho-Tomar) of the Ossa-Morena Zone (Portuguese Iberian Variscan Massif) contain black shales of very low to low-grade metamorphism. These metasedimentary rocks form a discrete NNW-SSE structu...
Main Author: | |
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Other Authors: | , , , , , , , , , |
Format: | article |
Language: | eng |
Published: |
2003
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Subjects: | |
Online Access: | http://hdl.handle.net/10316/3939 |
Country: | Portugal |
Oai: | oai:estudogeral.sib.uc.pt:10316/3939 |