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Record: oai:ARNO:505704

AuthorL.D. Minnigh
TitleTectonic and petrographic aspects of an area SW of the Lalin Unit (prov. Orense and Pontevedra, NW Spain)
JournalLeidse Geologische Mededelingen
AbstractIn a schist area south of the LalĂ­n Unit in the provinces of Orense and Pontevedra, a lithostratigraphy has been established. The disposition of some stratigraphic horizons shows the existence of a large-scale synformal F2-structure.
Metamorphic porphyroblasts have grown mainly between the two main folding phases F1 and F2. Special attention has been given to the garnet porphyroblasts. Probably two types of garnet are present: a Hercynian garnet and an earlier garnet. There are some indications of a tectonic contact within the schists. Probably schists of Lower Palaeozoic age are overlain by older, polymetamorphic schists.
Document typearticle
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