Carlos Gomes. "DIVERSITY OF GOLD TRAPPING IN COLLOFORM, LOW CRYSTALLINE AS, FE - RICH MESOSTASIS CASTROMIL AREA, DURICO-BEIRAO MINING DISTRICT, NORTHERN PORTUGAL." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining, 2016. https://doi.org/10.5593/sgem2016/b11/s01.020