Uitpa Formation Explained

Uitpa Formation
Period:Burdigalian
Age:Aquitanian-Burdigalian
~
Type:Geological formation
Prilithology:Mudstone
Otherlithology:Sandstone
Unitof:Cocinetas Basin
Underlies:Jimol Formation
Overlies:Siamaná Formation
Thickness:up to 230m (760feet)
Coordinates:11.9667°N -71.3786°W
Region:La Guajira
 Caribbean region
Namedfor:Uitpa
Namedby:Renz
Year Ts:1960
Location Ts:Uribia
Coordinates Ts:11.9667°N -71.3786°W
Region Ts:La Guajira

The Uitpa Formation (Spanish; Castilian: 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 230m (760feet).

Etymology

The formation was defined by Renz in 1960 and named after Uitpa.[1]

Description

Lithologies

The Uitpa Formation consists of calcareous mudstones interbedded with lithic sandstones.[2] [3]

Stratigraphy and depositional environment

The Uitpa Formation overlies the Siamaná Formation and is overlain by the Jimol Formation. The age has been estimated to be Early Miocene, corresponding to the Colhuehuapian in the SALMA classification. The formation has been deposited in an open to deep marine environment.[4]

Petroleum geology

The Uitpa Formation is a reservoir and seal rock formation in the Guajira Basin.[5]

Fossil content

GroupFossilsNotes
Fishes
Invertebrates

See also

Geology of the Eastern Hills

Cesar-Ranchería Basin

Honda Group

Abanico Formation

References

Bibliography

Maps

Notes and References

  1. Moreno et al., 2015, p.7
  2. Carrillo Briceño et al., 2016, p.78
  3. Hendy et al., 2015, p.47
  4. Rodríguez & Londoño, 2002, p.135
  5. ANH, 2010