Campanario Formation

Campanario Formation (Spanish: Formación Campanario) is a Miocene geological formation in the high Andes of Central Chile and northern Neuquén Province in Argentina. The formation crops out around the upper parts of the basins of Maule and Ñuble rivers.[1][2][3]

This article is about the formation in Central Chile. For the formation in the Argentine Northwest, see Mesón Group.
Campanario Formation
Stratigraphic range: Late Miocene–Early Pliocene
TypeGeological formation
Lithology
PrimaryTuff, breccia, welded tuff, andesite lava, dacite lava
Location
RegionMaule Region
Bío Bío Region
Neuquén Province
Country Chile
 Argentina
Type section
Named byRobert E. Drake
Year defined1974

References
  1. "Estudio hidrogeológico cuenca bío bío - Dga" (PDF).
  2. Geología y estructuras del limite Mesozoico-Cenozoico de la cordillera principal entre 35º30' y 36º S, región del Maule, Chile
  3. "Ñuble geological map" (PDF).
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