Andalusite nails in wooden slates
Wooden door frame of a traditional rural house in Atenor (NE Portugal) made of chiastolitic slates. The large andalusite blasts are syntectonic with HT-LP metamorphism and synorogenic extensional phenomena related to the Variscan orogeny.
Taken on 11
February
2010
Submitted on 12 February 2019
Categories
Location
- Europe (3437)
- Southern Europe (1495)
- Portugal (82)
- Exact location (-6.4797 W, 41.4199 N)
Tags
portugal, slates, andalusite, porphyroblasts
Colour palette
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2592 × 1944 px;
image/jpeg; 2.2 MB
Camera:
Nikon E5400
Software: Photoshop
Licence
Credit: Ícaro Dias da Silva (distributed via imaggeo.egu.eu)
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