TY - JOUR AU - Helena C. Brites Martins AU - Pedro P. Simões AU - Joana Abreu TI - Zircon crystal morphology and internal structures as a tool for constraining magma sources: Examples from northern Portugal Variscan biotite-rich granite plutons JO - Comptes Rendus. Géoscience PY - 2014 SP - 233 EP - 243 VL - 346 IS - 9-10 PB - Elsevier DO - 10.1016/j.crte.2014.07.004 LA - en ID - CRGEOS_2014__346_9-10_233_0 ER -