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Luis Aguirre,Mario Vergara,Ursula Kelm
Pág. 215
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Ursula Kelm,María E. Cisternas,Sonia Helle,David Méndez
Pág. 241 - 252
ABSTRACT. The diagenetic character of the sedimentary rocks 01 the Tertiary basin between Los Angeles and Osorno has been assessed according to its clay mineralogy and coal rank. Illite/smectite mixed layering varies between more than 90% and more than 7...
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Gabriela Rosales,Mario Vergara,Sonia Helle,Ursula Kelm,Jimena Cucurella,Ivonne Flores,Jorge Oyarzun
Pág. 229 - 235
ABSTRACT. Mineralogy and genesis of the combarbalita in Northern Chile. Combarbalita is the local name of an ornamental stone formed by advanced argillic alteration of volcanic materials. Combarbalita is mined as a decorative stone from quarries that are...
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