Uitpa Formation

Uitpa Formation
Uitpa Formation
Stratigraphic range: Aquitanian-Burdigalian; ~23–17.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Cocinetas Basin
Underlies	Jimol Formation
Overlies	Siamaná Formation
Thickness	up to 230 m (750 ft)
Lithology
Primary	Mudstone
Other	Sandstone
Location
Coordinates	11°58′00″N 71°22′43″W
Region	La Guajira; Caribbean region
Country	Colombia
Type section
Named for	Uitpa
Named by	Renz
Location	Uribia
Year defined	1960
Coordinates	11°58′00″N 71°22′43″W
Region	La Guajira
Country	Colombia
	; Type locality of the formation in La Guajira

The Uitpa Formation (Spanish: Formación Uitpa, E3u) is a fossiliferous geological formation of the Cocinetas Basin in the northernmost department of La Guajira. The formation consists of calcareous mudstones interbedded with lithic sandstones. The Uitpa Formation dates to the Neogene period; Aquitanian to Burdigalian stages, corresponding to the Colhuehuapian in the SALMA classification, and has a maximum thickness of 230 metres (750 ft).

Quick Facts Type, Unit of ...

Group	Fossils	Notes
Fishes	Heptranchias cf. howellii, Centrophorus sp., Dalatias cf. licha, Pristiophorus sp., Isurus cf. oxyrinchus, Carcharocles sp., Alopias cf. superciliosus, Hemipristis serra, Carcharhinus gibbesii, Sphyrna laevissima, Mobula sp., Lamniformes indet., Teleostei indet.	^[6]
Invertebrates	Turritella sp., Xenophora sp., Architectonica nobilis, Glossaulax sp., Orthaulax sp., Gorgasina sp., Adrana sp., Saccella sp., Limopsis sp., Mimachlamys canalis, Cyclopecten sp., Propeamussium sp., Ostrea sp., Pteria sp., Lucinoma sp., Psammacoma sp., Chionopsis sp., Antalis sp., Fissidentalium sp., Turridae indet.	^[7]

Etymology