Browsing Servicio Nacional de Geología y Minería by Author "Helle, Sonia"
Now showing items 1-2 of 2
-
Diagenetic character of the Tertiary basin between Los Angeles and Osorno, southern Chile
Kelm, Ursula; Cisternas, María E.; Helle, Sonia; Méndez, David. Andean Geology; Vol 21, No 2 (1994); 241-252 -
Mineralogia y genesis de la combarbalita en el norte de Chile
Rosales, Gabriela; Vergara, Mario; Helle, Sonia; Kelm, Ursula; Cucurella, Jimena; Flores, Ivonne; Oyarzun, Jorge. Andean Geology; Vol 20, No 2 (1993); 229-235