Argun Formation | |
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Stratigraphic range: Early Aptian |
The Argun Formation is a rock unit located in Crimea, Ukraine, and Chita, Russia. [1] It formed in Miocene, 16.0 - 13.8 Ma. Its lithology is characterized as shale in Crimea and siliclastic in Pad Semen (near Chita). [2]