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The document summarizes research on the stratigraphy, palynology, and geochemistry of five coal seams from the Lower Eocene Curanilahue Formation in the Arauco coal basin of Chile. The coals formed during a regressive marine episode under humid, warm climate conditions, as evidenced by palynological analysis. Geochemically, the coals are characterized by high sulfur, ash, and germanium content. The Curanilahue Formation is an important source of bituminous coal reserves in Chile, accounting for around 70% o

Author

MG Snchez R

Language

EN