Katiki Formation
| Katiki Formation | |
|---|---|
| Stratigraphic range: Campanian-Maastrichtian (Haumurian) ~ | |
| Type | Geological formation |
| Overlies | Herbert Formation |
| Thickness | 100 m (330 ft) |
| Lithology | |
| Primary | Siltstone |
| Location | |
| Coordinates | 45°30′S 170°48′E / 45.5°S 170.8°E |
| Approximate paleocoordinates | 60°18′S 153°30′E / 60.3°S 153.5°E |
| Region | South Island |
| Country | New Zealand |
| Type section | |
| Named by | McKay |
| Year defined | 1887 |
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The Katiki Formation is a Late Cretaceous (Campanian to Maastrichtian, or Haumurian in the regional stratigraphy) geologic formation of the South Island of New Zealand. Plesiosaur remains of Kaiwhekea katiki, named after the formation, are among the fossils that have been recovered from the deltaic siltstones.