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Capotes Formation
Capotes Formation
Stratigraphic range: Early Albian; ~112–108 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Villeta Group
Underlies	Hiló Formation
Overlies	El Peñón Fm., Socotá Fm.
Thickness	550 m (1,800 ft)
Lithology
Primary	Calcareous black shale
Other	Gypsum
Location
Coordinates	5°15′13″N 74°20′28″W / 5.25361°N 74.34111°W
Region	Eastern Ranges, Andes
Country	Colombia
Type section
Named for	Hacienda Capotes, Viotá
Named by	Cáceres & Etayo
Location	Bituima-Guayabal
Year defined	1969
Coordinates	5°15′13″N 74°20′28″W / 5.25361°N 74.34111°W
Region	Cundinamarca
Country	Colombia
Thickness at type section	550 m (1,800 ft)
	; Paleogeography of Northern South America; 105 Ma, by Ron Blakey

The Capotes Formation (Spanish: Formación Capotes, Kic) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consists of calcareous black shales containing gypsum and ammonites and dates to the Early Cretaceous period; Early Albian epoch and has an approximate thickness at its type section of 550 metres (1,800 ft).

Etymology

The formation was defined in 1969 by Cáceres and Etayo as a member of the Socotá Formation.^[1]^[2] The name is derived from Hacienda Capotes, southeast of Viotá.^[3]

Description

Lithologies

The Capotes Formation has a thickness at its type section of approximately 550 metres (1,800 ft), and is characterised by a sequence of organic rich calcareous shales with gypsum. Fossils of Douvilleiceras solitae, Neodeshayesites columbianus and Paracrioceras sp. have been found in the Capotes Formation.^[2]^[4]

Stratigraphy and depositional environment

The Capotes Formation, part of the Villeta Group, overlies the Socotá and El Peñón Formations, and is overlain by the Hiló Formation. The age has been estimated to be Early Albian. Stratigraphically, the formation is time equivalent with the Simití Formation.^[5] The formation has been deposited in a quiet enclosed shallow marine environment.^[2] In terms of sequence stratigraphy, the Albian of current central Colombia experienced a transgressive to highstand sequence.^[6]

Outcrops

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Type locality of the Capotes Formation to the west of the Altiplano Cundiboyacense

The Capotes Formation is apart from its type locality along the road between Bituima and Guayabal,^[2] also found north and southeast of Viotá,^[7] and north and east of La Mesa.^[8]

Regional correlations

Cretaceous stratigraphy of the central Colombian Eastern Ranges
Age	VMM	Guaduas-Vélez		W Emerald Belt		Villeta anticlinal		Chiquinquirá- Arcabuco	Tunja- Duitama	Altiplano Cundiboyacense		El Cocuy
Maastrichtian	Umir	Córdoba		Seca		eroded		Guaduas				Colón-Mito Juan
Maastrichtian				Umir				Guadalupe
Campanian				Córdoba
Campanian				Oliní
Santonian	La Luna	Cimarrona - La Tabla										La Luna
Coniacian		Oliní				Villeta	Conejo		Chipaque
Coniacian		Güagüaquí	Loma Gorda	undefined			La Frontera
Turonian		Güagüaquí	Hondita	La Frontera	Otanche		La Frontera
Cenomanian	Simití	hiatus		La Corona			Simijaca					Capacho
Cenomanian				Pacho Fm.			Hiló - Pacho	Churuvita	Une			Aguardiente
Albian				Hiló			Hiló - Pacho	Chiquinquirá	Tibasosa	Une		Aguardiente
Albian	Tablazo			Tablazo			Capotes - La Palma - Simití	Simití		Une		Tibú-Mercedes
Aptian	Tablazo			Capotes			Socotá - El Peñón	Paja		Fómeque		Tibú-Mercedes
	Paja			Paja	El Peñón		Trincheras					Río Negro
						La Naveta
Barremian
Hauterivian					Muzo					Cáqueza	Las Juntas
Hauterivian	Rosablanca				Muzo			Ritoque			Las Juntas
Valanginian				Ritoque	Furatena	Útica - Murca		Rosablanca	hiatus		Macanal
Valanginian				Rosablanca	Furatena			Rosablanca			Macanal
Berriasian	Cumbre			Cumbre				Los Medios			Guavio
Berriasian	Tambor			Arcabuco				Cumbre			Guavio
Sources

References

^ Acosta & Ulloa, 2002, p.41
^ ^a ^b ^c ^d Acosta & Ulloa, 2002, p.42
^ Vargas & Barrantas, 2013, p.8
^ Moreno Bedmar et al., 2015
^ Acosta & Ulloa, 2001, p.91
^ Villamil, 2012, p.169
^ Plancha 246, 1998
^ Plancha 227, 1998

Bibliography

Acosta Garay, Jorge E.; Ulloa Melo, Carlos E. (2002), Mapa Geológico del Departamento de Cundinamarca - 1:250,000 - Memoria explicativa, INGEOMINAS, pp. 1–108, retrieved 2017-06-05
Acosta Garay, Jorge; Ulloa Melo, Carlos E (2001), Geología de la Plancha 208 Villeta - 1:100,000 (PDF), INGEOMINAS, pp. 1–84, archived from the original (PDF) on 2017-03-24, retrieved 2017-06-05 Archived 2017-03-24 at the Wayback Machine
Moreno Bedmar, J.A; Martínez, R.; Rodríguez, J.V.; Bermúdez, Hermann Durán (2015), Algunos ammonites del Cretácico de la Cordillera Oriental de Colombia, XV Congreso Colombiano de Geología, 2015, pp. _, retrieved 2017-06-05
Vargas Quintero, Jhonn; Barrantas, Daniel Mauricio (2013), Efectos del tránsito en la estabilidad de taludes, Universidad La Javeriana, pp. 1–185
Villamil, Tomas (2012), Chronology Relative Sea Level History and a New Sequence Stratigraphic Model for Basinal Cretaceous Facies of Colombia, Society for Sedimentary Geology (SEPM), pp. 161–216

Maps

Ulloa, Carlos; Acosta, Jorge (1998), Plancha 208 - Villeta - 1:100,000, INGEOMINAS, p. 1, retrieved 2017-06-06
Ulloa, Carlos E; Rodríguez, Erasmo; Acosta, Jorge E. (1998), Plancha 227 - La Mesa - 1:100,000, INGEOMINAS, p. 1, retrieved 2017-06-06
Acosta, Jorge E.; Ulloa, Carlos E. (1998), Plancha 246 - Fusagasugá - 1:100,000, INGEOMINAS, p. 1, retrieved 2017-06-06

External links

Gómez, J.; Montes, N.E.; Nivia, Á.; Diederix, H. (2015), Plancha 5-09 del Atlas Geológico de Colombia 2015 – escala 1:500,000, Servicio Geológico Colombiano, p. 1, retrieved 2017-06-05

[Acosta2002_p41-1] Acosta & Ulloa, 2002, p.41

[Acosta2002_p42-2] Acosta & Ulloa, 2002, p.42

[Vargas2013_p8-3] Vargas & Barrantas, 2013, p.8

[MorenoBedmar2015-4] Moreno Bedmar et al., 2015

[Acosta2001_p91-5] Acosta & Ulloa, 2001, p.91

[Villamil2012_p169-6] Villamil, 2012, p.169

[Plancha246-7] Plancha 246, 1998

[Plancha227-8] Plancha 227, 1998

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PROFILPELAJAR.COM

Capotes Formation

Etymology

Description

Lithologies

Stratigraphy and depositional environment

Outcrops

Regional correlations

See also

References

Bibliography

Maps

External links

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