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sigsbee knolls-type

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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1969
AAPG Bulletin (1969) 53 (7): 1338–1347.
... of the holes, in the Sigsbee Knolls area of the central Gulf of Mexico, encountered salt-dome caprock saturated with oil, gas, and sulfur. The objectives of this coring project are scientific and the discovery of petroleum was not an intended part of the program, even though the possibility had been recognized...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1966
AAPG Bulletin (1966) 50 (3): 479–504.
...Maurice Ewing; John Antoine ABSTRACT Emerged knolls and buried domes in the Sigsbee Deep and on the upper continental slope of the Gulf of Mexico were recorded on an Electro-Sonic Profiler (ESP) and Precision Depth Recorder (PDR) survey from Galveston to the Campeche Bank and back. Numerous...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1971
AAPG Bulletin (1971) 55 (1): 116–123.
...Willis E. Pequegnat; William R. Bryant; John E. Harris ABSTRACT A violet siltstone determined by K-Ar methods to be Carboniferous (318 × 10 6 years old) was dredged from one of the Sigsbee Knolls in the southwest Gulf of Mexico. This is by far the oldest material ever recovered from the deep Gulf...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1969
AAPG Bulletin (1969) 53 (12): 2543–2550.
... accounts for the distribution of the deep-water salt structures including the Sigsbee Knolls, the diapiric structures on the northern continental slope, and possibly the anticlines of the western Gulf. However, most recent geophysical data indicate that a thick salt layer is not present across the Gulf...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1978
AAPG Bulletin (1978) 62 (11): 2290–2307.
... substantially undisturbed ( Fig. 4 ). This section is one of the best indications that the Challenger unit contains the salt which forms the abundant diapirs of the deep Gulf of Mexico. Fig. 4 —Stacked reflection-time section across Campeche-Sigsbee Salt Dome province south of Sigsbee Knolls. Upper...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1977
AAPG Bulletin (1977) 61 (11): 1962–1978.
... of scarp) of the well-known part of the Sigsbee Scarp (west of Green Knoll) is about 2,350 m (1,300 fm) to 1,800 m (1,000 fm). The main escarpment in the northeast extension is the continuation of the scarp along the base of the continental slope and across the Mississippi Cone. In the western half...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1968
AAPG Bulletin (1968) 52 (7): 1194–1203.
... the Sigsbee Deep to within 75 mi of the Tabasco-Campeche Saline basin. The locations of 36 buried features termed “domes” and of 124 emergent features termed “knolls” are plotted, combining previous work with the new surveys. Associated geophysical evidence, in agreement with previous findings, rules out...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1968
AAPG Bulletin (1968) 52 (11): 2242–2246.
...Thomas E. Pyle ABSTRACT Studies of the Foraminifera and calcareous nannoplankton in a core from the Sigsbee Knolls provide information pertinent to the history of the Gulf of Mexico basin. The sediments in this core are of late Miocene, Pliocene, and probable Pleistocene ages and are estimated...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1983
AAPG Bulletin (1983) 67 (7): 1047–1065.
... bbl and from 5.48 to 44.4 tcf, respectively. The individual assessment areas appear to have the most attractive petroleum potential in the following order: Perdido Foldbelt, Sigsbee Knolls, Abyssal Gulf Basin, Campeche Escarpment, Rio Grande Margin, and Sigsbee Escarpment. Estimates of the amount...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1968
AAPG Bulletin (1968) 52 (7): 1204–1228.
... the folds of the eastern Mexican slope; from the northeast the Sigsbee Knolls and domes trend directly toward this area. Zone 2 .—Lines J - I and H - G ( Fig. 14 ) are in zone 2. These data contrast with the records in zone 1, where there appears to be little or no symmetry or regular spacing...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 2004
AAPG Bulletin (2004) 88 (6): 747–764.
...Y.-D. Eddy Lee; Robert A. “Tony” George Abstract High-resolution geophysical data were acquired for an investigation across a portion of Sigsbee Escarpment using an autonomous underwater vehicle (AUV Hugin 3000), which allowed mapping of the seabed and near-seafloor features in detail and large two...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1978
AAPG Bulletin (1978) 62 (11): 2232–2242.
...Jorg Hanisch Abstract A submarine seamount similar to the Sigsbee Knolls on the ocean floor of the Gulf of Mexico arose within the Biscaya flysch basin during the Late Cretaceous and early Tertiary. It was generated by a diapir of Triassic evaporites and caused important changes in facies...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1980
AAPG Bulletin (1980) 64 (9): 1564–1565.
... structures have been found at depths of less than 3,000 m. Offshore, west of the Campeche shelf, a salt-dome province extends from the Isthmus of Tehuantepec northward to the Sigsbee Knolls, all of which may be prospective. Tertiary turbidites also may be objectives in the deep gulf. Certainly the Mexican...
Journal Article
Journal: Geosphere
Published: 01 December 2015
Geosphere (2015) 11 (6): 1689–1718.
... locally at the base of the Sigsbee Escarpment in conjunction with previously reported erosional furrows. 17 06 2015 03 09 2015 02 10 2015 Echo character typically changes very rapidly along any given ship track, and echo types commonly grade from one to another across short distances...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1969
AAPG Bulletin (1969) 53 (12): 2431–2479.
.... Banded salt, with layers rich in anhydrite, was cored on structure H. The average anhydrite content is 6 percent. The slope salt is correlated tentatively with the Louann Salt at the northern rim of the Gulf basin and the evaporites in the Sigsbee Knolls. The hilly topography of the Texas...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1992
AAPG Bulletin (1992) 76 (2): 225–251.
... anticlines and synclines ( Figure 3 ) underlain by primarily south-verging thrust faults. In the west, the fold belt consists of en echelon folds that can be traced until they are obscured by the salt tongues of the Sigsbee Escarpment. One anticline can be traced laterally to Green Knoll ( Figures 3 , 5...
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Journal Article
Journal: Geophysics
Published: 01 October 2008
Geophysics (2008) 73 (5): VE195–VE204.
... 12 2007 11 04 2008 © 2008 Society of Exploration Geophysicists. All rights reserved. 2008 Figure 1. Selecting reflection points on the Sigsbee synthetic model to update the subsalt velocity model: (a) velocity model to generate common-azimuth depth-migrated seismic image (b); (c...
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Journal Article
Journal: The Leading Edge
Published: 01 April 2004
The Leading Edge (2004) 23 (4): 384–389.
... the Mississippi Fan and Perdido Fold Belts The West Florida Rise and Abyssal Plain The Florida Straits and Cuban Foredeep The Northwestern Yucatan Rise and Abyssal Plain (Sigsbee Knolls) The Campeche Deepwater to Ultradeepwater Salt The Mexican Ridges Several compare in position...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1990
AAPG Bulletin (1990) 74 (2): 187–198.
... . Erdman , J. G. , R. L. Borst , and R. S. Scalan , 1969 , Studies performed on samples from Challenger Knoll , in J. B. Davis and E. E. Bray , compilers, Analyses of oil and cap rock from Challenger (Sigsbee) Knoll : Initial Reports of the Deep Sea Drilling Project , v. 1...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1969
AAPG Bulletin (1969) 53 (12): 2421–2430.
... Knolls was drilled and cored. Miocene caprock, partly saturated with hydrocarbons, was recovered ( Taylor, 1968 , p. 39). The Nowlin Knolls, on the continental rise south of the abyssal plain, are probably a southward extension of the Sigsbee Knolls. Two of the cores (depths 1,420 and 1,644 fm) recovered...
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