# Yamaga Formation

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{{short description|Geologic formation in Japan}}
{{Infobox rock
|name= Yamaga Formation
|alternative_name=
|type=
|type_link=
|image=
|image_size=
|alt=
|caption=
|coordinates={{Coord|33.9970|130.8153|region:JP|format=dms|display=inline,title}}
|composition=Palaeontological Formation
|composition_secondary=
}}
The '''Yamaga Formation''' is a [palaeontological](/source/paleontology) formation located in [Japan](/source/Japan). It dates to the Upper [Oligocene](/source/Oligocene) period.<ref>{{Cite web|title=Habitat reconstruction of oligocene elasmobranchs from Yamaga Formation, Ashiya Group, western Japan|url=https://www.researchgate.net/publication/232685956|access-date=26 February 2021|website=ResearchGate}}</ref>

== See also ==
* [List of fossil sites](/source/List_of_fossil_sites)
{{reflist}}

== Further reading ==
* {{aut|Vickers-Rich, Patricia & Rich, Thomas Hewett}} (1993); ''Wildlife of Gondwana''. Reed. {{ISBN|0-7301-0315-3}}

Category:Geologic formations of Japan
Category:Paleogene System of Asia
Category:Paleogene Japan
Category:Oligocene Series
Category:Oligocene paleontological sites
Category:Paleontology in Japan

{{Japan-geologic-formation-stub}}

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Adapted from the Wikipedia article [Yamaga Formation](https://en.wikipedia.org/wiki/Yamaga_Formation) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Yamaga_Formation?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.