Martín Izard, Agustín The Rio Narcea gold belt intrusions: geology, petrology, geochemistry and timing - Oxford Elsevier Science November 2000 - pp. 103-117 ilus., map. Subjects--Topical Terms: COBREDATACION K-ARGEOQUÍMICAGRANITOIDESOROSKARN Subjects--Geographic Terms: ASTURIASESPAÑA