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Coniacian Siphogenerinoides

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Journal Article
Published: 01 July 1955
Micropaleontology (1955) 1 (3): 247-249.
...C. D. Redmond Abstract Describes Siphogenerinoides bentonstonei n.sp., found in association with some new subspecies of Globotruncana, from calcareous Coniacian (Cretaceous) shale of Magdalena, central Colombia. This genus has hitherto not been reported from beds older than Campanian. GeoRef...
Journal Article
Journal: PALAIOS
Published: 01 October 2003
PALAIOS (2003) 18 (4-5): 305-320.
...J. IGNACIO MARTINEZ Abstract Ten planktonic foraminiferal zones are identified and six stratigraphic sequences are interpreted in the Turonian–Maastrichtian interval of the Michu-1 well in the Upper Magdalena Basin. Anoxic bottom-water conditions prevailed during the Turonian and Coniacian followed...
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Journal Article
Journal: PALAIOS
Published: 01 October 2003
PALAIOS (2003) 18 (4-5): 367-377.
... sections in the Venezuelan Andes. Planktonic foraminiferal biostratigraphy indicates that the age of the San Miguel section spans from the late Turonian to the early Campanian and the Las Hernández section ranges from the early Coniacian to the early Campanian. The base of the La Luna Formation becomes...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1953
AAPG Bulletin (1953) 37 (10): 2303-2347.
.... The various terraces of Mesa fan deposits, contemporaneous with a climax of volcanism in the Andes, are post-orogenic, but suggest a possible epeirogenic uplift of the Andes to the extent of 1,000 meters or more. The occurrence of the bituminous Napo formation (Albian-Coniacian) throughout the whole sub...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1946
AAPG Bulletin (1946) 30 (3): 337-347.
...?) Robulus münsteri (Reuss) Robulus sp. cf. R. pondi Cushman Robulus sp. sp. (2 or 3 species) Siphogenerinoides cretacea Cushman Siphogenerinoides sp. cf. S. parva Cushman Textularia sp. sp. (at least 2 species) Vaginulina sp. sp. (2 species) Vaginulinopsis sp. sp. (2...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 December 1968
AAPG Bulletin (1968) 52 (12): 2324-2336.
... representing the Coniacian. In the Barco-Táchira area Renz (1956 , p. 9–10) reported the presence of the late Turonian ammonite Coilopoceras from the Guayacán, just underlying La Luna. Renz also reported the Coniacian ammonites Barroisiceras, Paralenticeras leonhardianun, P. sieversi, Gauthiericeras...
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Journal Article
Published: 01 July 2002
Journal of Paleontology (2002) 76 (4): 718-724.
... suggested by inoceramid bivalves. Foraminiferans encountered in sample CRE-16+61 from the upper Puerto Romero unit include buliminid benthic foraminiferans similar to those encountered in the zone of Siphogenerinoides cretacea of Campanian age (Duque-Caro, personal commun.). However, the lower portion...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1955
AAPG Bulletin (1955) 39 (10): 2053-2067.
... member of the La Luna consists of thick-bedded limestone with stringers of black chert, containing Coniacian ammonites ( Barroisiceras, Paralenticeras, Gauthiericeras ). Colon formation .—The La Luna formation is followed by a thick body of shales, which has been correlated with the Colón formation...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1946
AAPG Bulletin (1946) 30 (10): 1621-1741.
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1956
AAPG Bulletin (1956) 40 (7): 1498-1542.
.... 212–25. Redmond, C. D., 1955, “A New Siphogenerinoides from the Coniacian of Colombia,” Micropaleontology , Vol. 1, No. 3 (July), pp. 247–49. Van Der Hammen, Thomas, 1954, “El Desarrollo de la Flora Colombiana en los Periodos Geologicos,” Colombia Inst. Geol. Bol. Geol. , Vol. 2, No. 1, pp...
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