Cholchol Formation
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Cholchol Formation | |
---|---|
Stratigraphic range: Middle–Upper Miocene | |
Type | Geological formation |
Underlies | Pliocene and Pleistocene alluvial fans and volcaniclastic deposits |
Overlies | Bahía Mansa Metamorphic Complex Coastal Batholith of central Chile Mesozoic sediments |
Thickness | 150–200 m (490–660 ft) |
Lithology | |
Primary | Claystone, sandstone, tuff, calcarenite, calcirudite |
Location | |
Coordinates | 38°00′S 72°00′W / 38.0°S 72.0°W |
Region | Araucanía Region |
Country | Chile |
Type section | |
Named for | Cholchol |
Named by | Floreal García |
Year defined | 1968 |
Cholchol Formation (Spanish: Formación Cholchol) is a geological formation composed of sediments that were deposited during the Miocene in the Temuco Basin of south–central Chile. The sediments were deposited in a marine environment.[1]
References
- ^ Elgueta, Sara (1990). "Sedimentación marina y paleogeografía del Terciario Superior de la Cuenca de Temuco, Chile". Actas. Segundo Simposio sobre el Terciario de Chile (in Spanish). Santiago, Chile: Departamento de Geociencias, Facultad de Ciencias, Universidad de Concepción. pp. 85–96.
Categories:
- CS1 Spanish-language sources (es)
- Articles with short description
- Short description matches Wikidata
- Coordinates on Wikidata
- Articles containing Spanish-language text
- Geologic formations of Chile
- Miocene Series of South America
- Neogene Chile
- Shale formations
- Sandstone formations
- Tuff formations
- Geology of Araucanía Region