Geological formation in the Colombian Andes
The Arcabuco Formation (
Spanish : Formación Arcabuco , Jar, JKa) is a
geological formation of the
Altiplano Cundiboyacense ,
Eastern Ranges of the
Colombian
Andes . The formation consists of thick beds of light-coloured
quartzitic
sandstones and
conglomerates with occasional
shales and dates to the
Late Jurassic and
Early Cretaceous periods;
Tithonian to
Berriasian epochs.
Dinosaur
footprints have been found in the Arcabuco Formation near the
Iguaque anticlinal outside
Chíquiza ,
Boyacá .
Etymology
The formation was first defined by Scheibe in 1938 and named after
Arcabuco ,
Boyacá .
[1] The
type section of the Arcabuco Formation was redefined in 1985 by Galvis and Rubiano around
Villa de Leyva .
[2]
Description
Lithologies
The Arcabuco Formation is characterised by a sequence of light- to pink-coloured fine
quartzitic
sandstones and
conglomerates with red
shales up to 50 metres (160 ft) in thickness intercalated.
[1]
[3] In the Arcabuco Formation, in the Iguaque Anticlinal,
dinosaur
tracks have been found.
[4] The overhanging
rock shelter of
Sáchica in
Sáchica , Boyacá, consists of the sandstones of the Arcabuco Formation.
Stratigraphy and depositional environment
The 500 to 800 metres (1,600 to 2,600 ft) thick Arcabuco Formation unconformably overlies the
Girón Formation and is overlain by the
Rosablanca and
Cumbre Formations .
[5] The age has been estimated to be
Late Jurassic to
Early Cretaceous . Stratigraphically, the formation is time equivalent with the
Guavio and
La Naveta Formations of the eastern and southern Altiplano respectively.
[1]
[6] The Arcabuco Formation has been deposited in a
rift basin setting.
[7]
Outcrops
Redefined type locality of the Arcabuco Formation on the Altiplano Cundiboyacense
The Arcabuco Formation is found apart from its original
type locality near Arcabuco, in the anticlinal of
Lake Iguaque between
Villa de Leyva ,
Sáchica and
Chíquiza , where the formation has been redefined in the Arcabuco Anticlinal.
[4]
[8]
Regional correlations
Stratigraphy of the
Llanos Basin and surrounding provinces
Ma
Age
Paleomap
Regional events
Catatumbo
Cordillera
proximal
Llanos
distal
Llanos
Putumayo
VSM
Environments
Maximum thickness
Petroleum geology
Notes
0.01
Holocene
Holocene volcanism
Seismic activity
alluvium
Overburden
1
Pleistocene
Pleistocene volcanism
Andean orogeny 3
Glaciations
Guayabo
Soatá
Sabana
Necesidad
Guayabo
Gigante
Alluvial to
fluvial (Guayabo)
550 m (1,800 ft) (Guayabo)
[9]
[10]
[11]
[12]
2.6
Pliocene
Pliocene volcanism
Andean orogeny 3
GABI
Subachoque
5.3
Messinian
Andean orogeny 3
Foreland
Marichuela
Caimán
Honda
[11]
[13]
13.5
Langhian
Regional flooding
León
hiatus
Caja
León
Lacustrine (León)
400 m (1,300 ft) (León)
Seal
[12]
[14]
16.2
Burdigalian
Miocene inundations
Andean orogeny 2
C1
Carbonera C1
Ospina
Proximal fluvio-deltaic (C1)
850 m (2,790 ft) (Carbonera)
Reservoir
[13]
[12]
17.3
C2
Carbonera C2
Distal lacustrine-deltaic (C2)
Seal
19
C3
Carbonera C3
Proximal fluvio-deltaic (C3)
Reservoir
21
Early Miocene
Pebas wetlands
C4
Carbonera C4
Barzalosa
Distal fluvio-deltaic (C4)
Seal
23
Late Oligocene
Andean orogeny 1
Foredeep
C5
Carbonera C5
Orito
Proximal fluvio-deltaic (C5)
Reservoir
[10]
[13]
25
C6
Carbonera C6
Distal fluvio-lacustrine (C6)
Seal
28
Early Oligocene
C7
C7
Pepino
Gualanday
Proximal deltaic-marine (C7)
Reservoir
[10]
[13]
[15]
32
Oligo-Eocene
C8
Usme
C8
onlap
Marine-deltaic (C8)
Seal
Source
[15]
35
Late Eocene
Mirador
Mirador
Coastal (Mirador)
240 m (790 ft) (Mirador)
Reservoir
[12]
[16]
40
Middle Eocene
Regadera
hiatus
45
50
Early Eocene
Socha
Los Cuervos
Deltaic (Los Cuervos)
260 m (850 ft) (Los Cuervos)
Seal
Source
[12]
[16]
55
Late Paleocene
PETM
2000 ppm CO2
Los Cuervos
Bogotá
Gualanday
60
Early Paleocene
SALMA
Barco
Guaduas
Barco
Rumiyaco
Fluvial (Barco)
225 m (738 ft) (Barco)
Reservoir
[9]
[10]
[13]
[12]
[17]
65
Maastrichtian
KT extinction
Catatumbo
Guadalupe
Monserrate
Deltaic-fluvial (Guadalupe)
750 m (2,460 ft) (Guadalupe)
Reservoir
[9]
[12]
72
Campanian
End of rifting
Colón-Mito Juan
[12]
[18]
83
Santonian
Villeta /
Güagüaquí
86
Coniacian
89
Turonian
Cenomanian-Turonian anoxic event
La Luna
Chipaque
Gachetá
hiatus
Restricted marine (all)
500 m (1,600 ft) (Gachetá)
Source
[9]
[12]
[19]
93
Cenomanian
Rift 2
100
Albian
Une
Une
Caballos
Deltaic (Une)
500 m (1,600 ft) (Une)
Reservoir
[13]
[19]
113
Aptian
Capacho
Fómeque
Motema
Yaví
Open marine (Fómeque)
800 m (2,600 ft) (Fómeque)
Source (Fóm)
[10]
[12]
[20]
125
Barremian
High biodiversity
Aguardiente
Paja
Shallow to open marine (Paja)
940 m (3,080 ft) (Paja)
Reservoir
[9]
129
Hauterivian
Rift 1
Tibú- Mercedes
Las Juntas
hiatus
Deltaic (Las Juntas)
910 m (2,990 ft) (Las Juntas)
Reservoir (LJun)
[9]
133
Valanginian
Río Negro
Cáqueza
Macanal
Rosablanca
Restricted marine (Macanal)
2,935 m (9,629 ft) (Macanal)
Source (Mac)
[10]
[21]
140
Berriasian
Girón
145
Tithonian
Break-up of Pangea
Jordán
Arcabuco
Buenavista
Saldaña
Alluvial ,
fluvial (Buenavista)
110 m (360 ft) (Buenavista)
"Jurassic"
[13]
[22]
150
Early-Mid Jurassic
Passive margin 2
La Quinta
Noreán
hiatus
Coastal
tuff (La Quinta)
100 m (330 ft) (La Quinta)
[23]
201
Late Triassic
Mucuchachi
Payandé
[13]
235
Early Triassic
Pangea
hiatus
"Paleozoic"
250
Permian
300
Late Carboniferous
Famatinian orogeny
Cerro Neiva ()
[24]
340
Early Carboniferous
Fossil fish
Romer's gap
Cuche (355-385)
Farallones ()
Deltaic ,
estuarine (Cuche)
900 m (3,000 ft) (Cuche)
360
Late Devonian
Passive margin 1
Río Cachirí (360-419)
Ambicá ()
Alluvial -
fluvial -
reef (Farallones)
2,400 m (7,900 ft) (Farallones)
[21]
[25]
[26]
[27]
[28]
390
Early Devonian
High biodiversity
Floresta (387-400)
Shallow marine (Floresta)
600 m (2,000 ft) (Floresta)
410
Late Silurian
Silurian mystery
425
Early Silurian
hiatus
440
Late Ordovician
Rich fauna in Bolivia
San Pedro (450-490)
Duda ()
470
Early Ordovician
First fossils
Busbanzá (>470±22 )
Guape ()
Río Nevado ()
[29]
[30]
[31]
488
Late Cambrian
Regional intrusions
Chicamocha (490-515)
Quetame ()
Ariarí ()
SJ del Guaviare (490-590)
San Isidro ()
[32]
[33]
515
Early Cambrian
Cambrian explosion
[31]
[34]
542
Ediacaran
Break-up of Rodinia
pre-Quetame
post-Parguaza
El Barro ()
Yellow: allochthonous basement (
Chibcha Terrane ) Green: autochthonous basement (
Río Negro-Juruena Province )
Basement
[35]
[36]
600
Neoproterozoic
Cariri Velhos orogeny
Bucaramanga (600-1400)
pre-Guaviare
[32]
800
Snowball Earth
[37]
1000
Mesoproterozoic
Sunsás orogeny
Ariarí (1000)
La Urraca (1030-1100)
[38]
[39]
[40]
[41]
1300
Rondônia-Juruá orogeny
pre-Ariarí
Parguaza (1300-1400)
Garzón (1180-1550)
[42]
1400
pre-Bucaramanga
[43]
1600
Paleoproterozoic
Maimachi (1500-1700)
pre-Garzón
[44]
1800
Tapajós orogeny
Mitú (1800)
[42]
[44]
1950
Transamazonic orogeny
pre-Mitú
[42]
2200
Columbia
2530
Archean
Carajas-Imataca orogeny
[42]
3100
Kenorland
Sources
Legend
group
important formation
fossiliferous formation
minor formation
(age in Ma)
proximal Llanos (Medina)
[note 1]
distal Llanos (Saltarin 1A well)
[note 2]
See also
List of stratigraphic units with dinosaur tracks
Geology of the Eastern Hills
Geology of the Ocetá Páramo
Geology of the Altiplano Cundiboyacense
Notes
^ based on Duarte et al. (2019)
[45] , García González et al. (2009),
[46] and geological report of Villavicencio
[47]
^ based on Duarte et al. (2019)
[45] and the hydrocarbon potential evaluation performed by the
UIS and
ANH in 2009
[48]
References
^
a
b
c Galvis & Valencia, 2009, p.17
^ Galvis & Valencia, 2009, p.15
^ Rodríguez & Solano, 2000, p.28
^
a
b Moreno Sánchez et al., 2011
^ Rodríguez & Solano, 2000, p.29
^ Villamil, 2012, p.168
^ Villamil, 2012, p.163
^ Plancha 191, 1998
^
a
b
c
d
e
f García González et al., 2009, p.27
^
a
b
c
d
e
f García González et al., 2009, p.50
^
a
b García González et al., 2009, p.85
^
a
b
c
d
e
f
g
h
i
j Barrero et al., 2007, p.60
^
a
b
c
d
e
f
g
h Barrero et al., 2007, p.58
^ Plancha 111, 2001, p.29
^
a
b Plancha 177, 2015, p.39
^
a
b Plancha 111, 2001, p.26
^ Plancha 111, 2001, p.24
^ Plancha 111, 2001, p.23
^
a
b Pulido & Gómez, 2001, p.32
^ Pulido & Gómez, 2001, p.30
^
a
b Pulido & Gómez, 2001, pp.21-26
^ Pulido & Gómez, 2001, p.28
^ Correa Martínez et al., 2019, p.49
^ Plancha 303, 2002, p.27
^ Terraza et al., 2008, p.22
^ Plancha 229, 2015, pp.46-55
^ Plancha 303, 2002, p.26
^ Moreno Sánchez et al., 2009, p.53
^ Mantilla Figueroa et al., 2015, p.43
^ Manosalva Sánchez et al., 2017, p.84
^
a
b Plancha 303, 2002, p.24
^
a
b Mantilla Figueroa et al., 2015, p.42
^ Arango Mejía et al., 2012, p.25
^ Plancha 350, 2011, p.49
^ Pulido & Gómez, 2001, pp.17-21
^ Plancha 111, 2001, p.13
^ Plancha 303, 2002, p.23
^ Plancha 348, 2015, p.38
^ Planchas 367-414, 2003, p.35
^ Toro Toro et al., 2014, p.22
^ Plancha 303, 2002, p.21
^
a
b
c
d Bonilla et al., 2016, p.19
^ Gómez Tapias et al., 2015, p.209
^
a
b Bonilla et al., 2016, p.22
^
a
b Duarte et al., 2019
^ García González et al., 2009
^ Pulido & Gómez, 2001
^ García González et al., 2009, p.60
Bibliography
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Universidad de Caldas .
Moreno Sánchez, Mario; Arley de Jesús Gómez Cruz, and Jorge Gómez Tapias. 2012.
Reporte de huellas de dinsosaurios en el Santuario de Fauna y Flora de Iguaque, en cercanías de Chíquiza (Boyacá, Colombia) . Boletín de Geología,
Universidad Industrial de Santander 33. _. Accessed 2017-05-02.
Rodríguez Parra, Antonio José, and Orlando Solano Silva. 2000. Mapa Geológico del Departamento de Boyacá - 1:250,000 - Memoria explicativa , 1–120.
INGEOMINAS .
Villamil, Tomas. 2012. Chronology Relative Sea Level History and a New Sequence Stratigraphic Model for Basinal Cretaceous Facies of Colombia , 161–216.
Society for Sedimentary Geology (SEPM).
Maps
Beltrán, Alejandro; José Alfredo Lancheros; Carolina López; Claudia Chaquea; Alejandro Patiño; Angela Guerra; Julio C. Cabrera; Claudia I. Quintero, and Simón Emilio Molano. 2008.
Plancha 134 - Puerto Parra - 1:100,000 , 1.
INGEOMINAS . Accessed 2017-06-06.
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Plancha 135 - San Gil - 1:100,000 , 1.
INGEOMINAS . Accessed 2017-06-06.
Beltrán, Alejandro; José Alfredo Lancheros; Carolina López; Claudia Chaquea; Alejandro Patiño; Angela Guerra; Julio C. Cabrera; Claudia I. Quintero, and Simón Emilio Molano. 2008.
Plancha 150 - Cimitarra - 1:100,000 , 1.
INGEOMINAS . Accessed 2017-06-06.
Pulido González, Orlando. 2009.
Plancha 151 - Charalá - 1:100,000 , 1.
INGEOMINAS . Accessed 2017-06-06.
Ulloa, Carlos E, and Erasmo Rodríguez. 2009.
Plancha 170 - Vélez - 1:100,000 , 1.
INGEOMINAS . Accessed 2017-06-06.
Renzoni, Giancarlo, and Humberto Rosas. 2009.
Plancha 171 - Duitama - 1:100,000 , 1.
INGEOMINAS . Accessed 2017-06-06.
Renzoni, Giancarlo; Humberto Rosas, and Fernando
Etayo Serna . 1998.
Plancha 191 - Tunja - 1:100,000 , 1.
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External links