Time-pressure and temperature constraints on the formation of Colombian emeralds : an 40Ar/39Ar laser microprobe and fluid inclusion study Cheilletz, A. Féraud, G. /Giuliani, Gaston Rodriguez, C.T. GEOCHIMIE PARAGENESE DATATION ABSOLUE METALLOGENIE EMERAUDE 1994 text https://www.documentation.ird.fr/hor/fdi:41486 fdi:41486 Cheilletz A., Féraud G., Giuliani Gaston, Rodriguez C.T.. Time-pressure and temperature constraints on the formation of Colombian emeralds : an 40Ar/39Ar laser microprobe and fluid inclusion study. 1994, 89, 361-380 EN COLOMBIE