Kempe, Ulf U-Pb SHRIMP geochronology of Th-poor, hydrothermal monazite: An example from the Llallagua tin-porphyry deposit, Bolivia - Amsterdam Elsevier September 2008 - pp. 4352-4366 ilus. Subjects--Topical Terms: DATACION U-PBESTAÑOGENESIS-YACIMIENTOGEOCRONOLOGIAGEOQUÍMICAYACIMIENTOS PORFIRITICOS Subjects--Geographic Terms: BOLIVIA Subjects--Index Terms: LLALLAGUA, YAC.