Ialovachsk Formation
| Ialovachsk Formation | |
|---|---|
| Stratigraphic range: Santonian | |
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone |
| Other | Conglomerate |
| Location | |
| Coordinates | 40°12′N 71°42′E / 40.2°N 71.7°E |
| Approximate paleocoordinates | 34°54′N 65°48′E / 34.9°N 65.8°E |
| Region | Jalal-Abad, Osh Sughd Fergana |
| Country | Kyrgyzstan, Tajikistan, Uzbekistan |
| Extent | Fergana Valley & Range |
The Ialovachsk or Yalovach Formation is a geologic formation in Kyrgyzstan, Tajikistan and Uzbekistan dating to the Santonian age of the Cretaceous period.