| 词条 | Viche Formation |
| 释义 |
| name = Viche Formation | image = | caption = | type = Geological formation | age = Langhian (Friasian-Colloncuran) ~{{fossil range|16|13.7}} | period = Langhian | prilithology = Siltstone | otherlithology = Claystone | namedfor = Viche, traditional fish dish | namedby = | region = Esmeraldas Province | country = {{ECU}} | coordinates = {{coord|1.1|N|79.2|W|display=inline,title}} | paleocoordinates = {{coord|0.3|N|76.1|W|display=inline}} | unitof = | subunits = | underlies = Angostura Formation | overlies = | thickness = | extent = Borbón Basin | area = | map = {{Location map+ | Ecuador | relief = 1 | width = 250 | float = center | places = | lat_deg = 1.1 | lon_deg = -79.2 | mark = Yellow pog.svg | marksize = 12 }} | map_caption = }} The Viche Formation is a Langhian (Friasian to Colloncuran in the SALMA classification) geologic formation of the Borbón Basin in northwestern Ecuador. The formation underlies the Angostura Formation. Fossils of Ziphiidae indet. have been found in the formation.[1] See also{{Portal|Earth sciences|Paleontology|Ecuador|Neogene|Prehistory of South America}}
References1. ^Las Penas at Fossilworks.org Further reading
10 : Geologic formations of Ecuador|Miocene Series of South America|Neogene Ecuador|Langhian|Colloncuran|Friasian|Siltstone formations|Shale formations|Paleontology in Ecuador|Geography of Esmeraldas Province |
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