
The Terni-Mazgout (Boudoufoud) Hercynian massif, located in Morocco's eastern Meseta, consists of a Visian-age schist-sandstone metasedimentary sequence, intruded by a zoned granitoid body (259 11 Ma) and altered by polyphasic hydrothermal processes (sericitisation, chloritization,...

The Terni-Mazgout Hercynian massif, located in Morocco's eastern Meseta, is a granitic intrusion dating to 259 Ma, with concentric zoning (peripheral gabbros to central granites), embedded in Visian schists and heavily altered (sericitisations, chloritizations, greisenizations)...