| 词条 | Caleta Herradura Formation | ||||||||||||
| 释义 |
| name = Caleta Herradura Formation | image = | caption = | type = Geological formation | period = Messinian | age = Late Miocene-Pliocene (Montehermosan) | prilithology = Sandstone, sandy mudstone, breccia, conglomerate | otherlithology = Diatomite | namedfor = Caleta Herradura Chica | namedby = | region = Antofagasta Region | country = {{CHL}} | coordinates = {{coord|23.4|S|70.5|W|display=inline,title}} | paleocoordinates = {{coord|23.5|S|69.8|W|display=inline}} | unitof = | subunits = | underlies = La Portada Formation | overlies = Jorgino Formation | thickness = {{convert|380|m|ft|abbr=on}} | extent = Mejillones Peninsula | area = | map = {{Location map+ | Chile | relief = 1 | width = 150 | float = center | places = | lat_deg = -23.4 | lon_deg = -70.5 | mark = Yellow ffff00 pog.svg | marksize = 12 }} | map_caption = }}Caleta Herradura Formation ({{lang-es|Formación Caleta Herradura}}) is a geologic formation of Late Miocene (Montehermosan) age, cropping out on the Mejillones Peninsula in northern Chile. The erosion at the Coastal Cliff of northern Chile have created particularly good exposures of Caleta Herradura Formation. The formation deposited in a half graben within Mejillones Peninsula. The formation rests nonconformably on the Jorgino Formation.[1] Fossil contentThe following fossils have been found in the formation:
See also{{portal|Chile|Geology|Neogene|Prehistory of South America}}
References1. ^{{cite journal |last=Di Celma |first=Claudio |last2=Cantalamessa |first2=Gino |date=2007 |title=Sedimentology and high-frequency sequence stratigraphy of a forearc extensional basin: The Miocene Caleta Herradura Formation, Mejillones Peninsula, northern Chile |url=https://www.researchgate.net/publication/222173186 |journal=Sedimentary Geology |publisher= |volume=198 |issue=1–2 |pages=29–52 |doi= 10.1016/j.sedgeo.2006.11.003|bibcode=2007SedG..198...29D }} 2. ^1 2 Cuenca del Tiburón at Fossilworks.org Further reading
11 : Geologic formations of Chile|Miocene Series of South America|Pliocene Series of South America|Neogene Chile|Montehermosan|Sandstone formations|Mudstone formations|Conglomerate formations|Paleontology in Chile|Geology of Antofagasta Region|Geology of the Chilean Coast Range |
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