Ar-Ar ages in phlogopites from marble-hosted ruby deposits in northern Vietnam : evidence for cenozoic ruby formation Garnier, V. /Giuliani, Gaston Maluski, H. Ohnenstetter, D. Trin Phan Trong Ving Hoang Quang Long Pham Van Tich Vu Van Schwartz, D. MINERAL GISEMENT ENDOGENE MINERALISATION MINE GEOCHIMIE TECTONIQUE METAMORPHISME DATATION ANALYSE ISOTOPIQUE CENOZOIQUE 2002 text https://www.documentation.ird.fr/hor/fdi:010029764 fdi:010029764 Garnier V., Giuliani Gaston, Maluski H., Ohnenstetter D., Trin Phan Trong, Ving Hoang Quang, Long Pham Van, Tich Vu Van, Schwartz D.. Ar-Ar ages in phlogopites from marble-hosted ruby deposits in northern Vietnam : evidence for cenozoic ruby formation. 2002, 188 (1-2), 33-49 EN VIET NAM