Timing of skarn-hosted W-MO mineralization within a long-lived granitogenesis activity in the Seridó Belt, northeastern Brazil: constraints from coupled RE-OS molybdenite and U-PB zircon geochronology - Hollanda, Maria Helena Bezerra Maia de; Souza Neto, João Adauto; Stein, Holly; Archanjo, Carlos José; Maia, A. C. S. (Hutton Symposium on Granites and Related Rocks, 2015)