Argun Formation

{{for|the rock unit in Transbaikalia and Mongolia|Argun terrane}}

{{Infobox rockunit|name=Argun Formation|period=k|age=Early Aptian}}

The Argun Formation is a rock unit located in Crimea, Ukraine, and Chita, Russia. {{Cite web|url=https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Argun&group_formation_member=Argun|title=PBDB Strata Results|website=paleobiodb.org}} It formed in Miocene, 16.0 - 13.8 Ma. Its lithology is characterized as shale in Crimea and siliclastic in Pad Semen (near Chita).{{Cite web|url=https://www.mindat.org/paleo_strat.php?id=1075|title=Mindat.org|website=www.mindat.org}}