Pupunahue is a coal mine and hamlet in Los Ríos Region near the towns of Máfil and Los Lagos. The coal beds exploited in Pupunahue belong to the Pupunahue Beds.[1] Geologically the sedimentary rocks of the Pupunahue Beds containing coal lie in Pupunahue Basin, a sub-basin of the larger Pupunahue-Mulpún Neogene Carboniferous Basin.[1][2] The coals of Pupunahue deposited during the Oligo-Miocene[A] in an environment with moderate marine influence and certainly less marine influence than for the nearby Catamutún coals.[2] In 2016 it was announced that the closed Pupunahue mine would become a national heritage site.[4]

See also

Notes

  1. ^ Fossil foraminifer studies have however cast doubts on the exact age of coals across southern Chile, being a possibility that many coals are of Eocene age and not of Oligo-Miocene age.[3]

References

  1. ^ a b Villablanca, D.; Alfaro, G.; Quinzio, L.A. (2003). Sedimentología de la cuenca carbonífera Neógena de Pupunahue-Mulpún, X Región de Los Lagos, Chile (PDF). 10° Congreso Geológico Chileno (in Spanish). Concepción: Departamento de Geociencias, Universidad de Concepción. Archived from the original (PDF) on February 5, 2017.
  2. ^ a b Helle, S.; Cisternas, M.E.; Alfaro, G.; Méndez, D. (1995). "Características geoquímicas de las secuencias carbogénicas del sur de Chile: El yacimiento de Pupunahue". Paleógeno de América del Sur (in Spanish). Buenos Aires: Asociación Paleontologíca Argentina. pp. 75–82. ISSN 0328-347X.
  3. ^ Finger, Kenneth L.; Encinas, Alfonso (2009). "Recognition and implications of globigerinathekids (Eocene planktic foraminifera) in coal-bearing successions of the forearc of south-central Chile (37º45'-41º50'S)". Ameghiniana. 46 (2).
  4. ^ Carbonífera Pupunahue se convertirá en Monumento Nacional

39°48′S 72°54′W / 39.800°S 72.900°W / -39.800; -72.900


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