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Leucocratic vein with an intrusion-related zig-zag pattern and incipient post-emplacement folding. The vein is emplaced in foliated Archean metasedimentary rocks. The oblique stripes are glacial striae. PhotoID149

Leucocratic vein with an intrusion-related zig-zag pattern and incipient post-emplacement folding. The vein is emplaced in foliated Archean metasedimentary rocks. The oblique stripes are glacial striae. PhotoID149

Photograph: Elena Druguet

Reference: Druguet, E., Czeck, D.M., Carreras, J., Castaño, L.M., 2008. Emplacement and deformation features of syntectonic leucocratic veins from Rainy Lake zone (Western Superior Province, Canada). Precambrian Research 163, 384-400.