Palabras claves: ECUADOR, geochemistry, land-sea correlation, tephrochronology, Volcanology
Autores: Bablon M., Collot J.Y., Devidal J.L., Jean Noël Proust, LePennec J.L., Liorzou C., Michaud F.A., Migeon S., Miguel González, Nauret F., Orange F., Pablo Samaniego Ponce, Patricia A. Mothes, Ratzov G., Saillard M., Silvana Hidalgo, Silvia X. Vallejo