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Caballos Formation

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Journal Article
Journal: The Leading Edge
Published: 01 November 2003
The Leading Edge (2003) 22 (11): 1135-1141.
... target is the higher-quality areas of Caballos Formation at Puerto Colón oil field in the foreland of Columbia's Putumayo Basin ( Figure 1 ). The oil field is a faulted anticline or monocline with regional dip ( Figure 2 ). The study was based on 3D angle-dependent seismic data and well-log information...
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Journal Article
Published: 01 March 1940
Journal of Paleontology (1940) 14 (2): 127-139.
Image
Cores, location, and number of samples from the <b>Caballos</b> <b>Formation</b>.
Published: 01 May 2010
Table 1 Cores, location, and number of samples from the Caballos Formation.
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Plot of δ 18 O vs. δ 13 C for sphaerosiderites from the <b>Caballos</b> <b>Formation</b>....
Published: 01 May 2010
Figure 5 Plot of δ 18 O vs. δ 13 C for sphaerosiderites from the Caballos Formation. Vertical line is positioned at the average δ 18 O composition (−4.36‰) of all meteoric sphaerosiderite lines, and rounded rectangle depicts the standard deviation (0.55‰).
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Units and depositional model for <b>Caballos</b> <b>Formation</b> (modified from Amaya et...
Published: 01 February 2007
Figure 4. Units and depositional model for Caballos Formation (modified from Amaya et al., 1999).
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Mean porosity in the upper (left) and lower (right) <b>Caballos</b> <b>Formation</b>. The...
Published: 01 November 2003
Figure 17. Mean porosity in the upper (left) and lower (right) Caballos Formation. The black line represents the reservoir area, corresponding roughly to the oil-water contact.
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<b>Caballos</b> <b>Formation</b> rock quality. Left: clean sands appear as the brighter v...
Published: 01 November 2003
Figure 18. Caballos Formation rock quality. Left: clean sands appear as the brighter values of P-impedance, which varies from low (yellow to red) to high (green to blue). Right: mean porosity through the entire Caballos Formation interval; fine contours are taken from the clean sand map
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Sedimentary section of <b>Caballos</b> <b>Formation</b>, Putumayo Basin, Colombia (after ...
Published: 01 January 2003
Figure 3. Sedimentary section of Caballos Formation, Putumayo Basin, Colombia (after Ecopetrol, 2000).
Series: SEPM Core Workshop Notes
Published: 01 January 1993
DOI: 10.2110/cor.93.18.0227
EISBN: 9781565762701
... Warrior Basin the Devonian Chert is an unnamed formation (Figure 2). The Arkansas Novaculite and the Caballos Formation are equivalents found in the Ouachita and Marathon region, respectively. Other shelfward equivalents of the novaculites are the Thirty-one Formation of the Permian Basin, Camden Chert...
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1969
AAPG Bulletin (1969) 53 (1): 94-111.
...David E. Park, Jr.; Carey Croneis Abstract The Caballos and Arkansas novaculite formations are thick, areally extensive cherts characterized by massive white “novaculite” chert. Field study of the formations shows common depositional features and highly variable bedding and coloration. Laboratory...
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Series: GSA Special Papers
Published: 01 January 1970
DOI: 10.1130/SPE122-p1
... The Caballos Novaculite is composed predominantly (90 percent) of bedded chert; the widespread distribution of two novaculite (milky white chert) lithosome marker units permits the formation to be divided into five members. From the base up, the members are listed with maximum thicknesses...
Journal Article
Published: 01 September 1977
Journal of Sedimentary Research (1977) 47 (3): 1261-1286.
...; Helminthoida -like trace fossil; presence of slump structures and mass-flow deposits: Caballos is under and overlaid by deep-water formations; vertical sequences in Caballos of novaculite-radiolarian chert-red shale resembles the vertical sequence of oceanic deposits off spreading ridges (calcareous ooze...
Journal Article
Published: 01 May 2010
Journal of Sedimentary Research (2010) 80 (5): 480-491.
...Table 1 Cores, location, and number of samples from the Caballos Formation. ...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1958
AAPG Bulletin (1958) 42 (9): 2254-2259.
.... Overlying the Ordovician succession in the Marathon region is a sequence of white novaculites, varicolored cherts, and shales. This sequence was originally divided by Udden, Baker and Böse ( 1916 , pp. 39, 41) into two formations, the Caballos novaculite below, and the Santiago chert above. The Caballos...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1973
AAPG Bulletin (1973) 57 (4): 702-725.
... ( Griswold, 1892 ; Miser, 1917 ; Honess, 1923 ; Harlton, 1953 ; Goldstein, 1961 ). Devonian chert formations are widespread over North America and the rest of the world ( Park and Croneis, 1969 ). On the shelf west and north of Marathon the Caballos is correlated with the Silurian Fusselman Dolomite...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1940
AAPG Bulletin (1940) 24 (9): 1679-1681.
... Devonian clayey sandstones and sands. The basal Mississippian limestone contains lenses of novaculite in its upper part. The novaculite occurs in large concretionary-like “pillows” free from the admixture of any other kind of rock and banded in the various colors found in the Caballos novaculite, white...
Series: AAPG Memoir
Published: 01 January 1994
DOI: 10.1306/M60585C30
EISBN: 9781629810928
.... The two main reservoirs are Cretaceous sandstones of the Caballos and Monserrate formations. Secondary reservoirs of significance are fluvial sandstones of the Miocene Honda Group. Traps are mainly structures (anticlines and faulted anticlines) associated with a fold and thrust belt that began...
Journal Article
Published: 01 November 2006
Vadose Zone Journal (2006) 5 (4): 1281-1286.
... with tape, and the column was placed horizontally for a minimum of 48 h to more evenly distribute the water. During this period, the column should be rotated periodically to minimize the formation of a vertical water content gradient. Just before testing, a 1-cm slice of soil was removed from the soil...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1979
AAPG Bulletin (1979) 63 (9): 1510-1521.
... and Late Silurian age, and correlative with part of both the Hunton Group of Oklahoma and perhaps the Caballos Novaculite of the Marathon region. The name Thirtyone Formation is proposed for the unit known as the “Lower Devonian cherty limestone” in the subsurface of the Permian basin. The type section...
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Photograph of chert breccia, Aleman <b>Formation</b>, <b>Caballos</b> Range, New Mexico. ...
Published: 01 August 2014
Figure 5 Photograph of chert breccia, Aleman Formation, Caballos Range, New Mexico. The chert in this photograph is light colored, whereas the dark material is carbonate mudstone or skeletal wackestone. The chert in this outcrop is identical with the nodular chert except for the angular