Naobaogou Formation
The Naobaogou Formation is a geological formation in the Daqing Mountains of China. It is likely of Lopingian (Late Permian) age. It consists of three rhythms of sediment, labelled members I-III primarily of purple siltstone, but each with a thick basal conglomerate bed. It is notable for its fossil content, producing one of the most diverse Late Permian vertebrate faunas outside Russia and South Africa.
| Naobaogou Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Sub-units | Members I-III |
| Underlies | Laowopu Formation |
| Overlies | Shiyewan Formation |
| Thickness | More than 1000 m |
| Lithology | |
| Primary | Siltstone |
| Other | Conglomerate |
| Location | |
| Country | China |
| Extent | Daqing Mountains |
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