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Cabo Frio

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Series: AAPG Memoir
Publisher: The American Association of Petroleum Geologists and Brazilpetrostudies
Published: 01 January 2021
DOI: 10.1306/13722323MSB.11.1853
EISBN: 9781629812892
... Table 1. Wells from Cabo Frio Area, in the South Campos Basin, from Which Rock Samples from the Lower and Upper Barremian Sections from Atafona and Coqueiros Formations Were Selected for Geochemical Analysis Table 2. Wells Where Oil Samples from the Cabo Frio Region, South Campos...
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Series: SEPM Gulf Coast Section Publications
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0347
EISBN: 978-0-9836097-8-0
... pressure oil kitchen (external rift) and beyond the most prolific oil carrier bed of the Campos basin–the Cabo Frio fault system (Papa Terra, Maromba, Polvo and Peregrino oil fields and all of the discoveries made by OGX); (2) the Late Cretaceous and mainly early Tertiary magmatic events that contributed...
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Journal Article
Journal: Geology
Published: 01 October 2012
Geology (2012) 40 (10): 879–882.
... the depositional conditions of Cabo Frio, the degree of reactive iron pyritization was limited by both dissolved sulfide availability and pyrite oxidation events. Textural analyses of pyrite framboids provide evidence of re-oxidation processes, reflecting dynamic redox conditions in the sediments. The isotope...
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Series: AAPG Memoir
Published: 01 January 1995
DOI: 10.1306/M65604C13
EISBN: 9781629810867
... Abstract The Cabo Frio region, offshore Rio de Janeiro, lies between two of the most prolific Brazilian oil provinces, the Campos and Santos basins. Major geologic features have been identified using a multidisciplinary approach integrating seismic, gravity, petrographic, and borehole data...
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Santos Basin-Cabo Frio Oil Families: Principal component analysis (PCA) loads, scores, and hierarchical cluster analysis dendrogram showing division of 51 oils into lacustrine (family A) and marine (family B) source rock affinities. Note that there is a clear separation of the main subfamily of clusters in their PCA scores (lower left) because of the good differentiation in the PCA loads (upper left). Mixed-source (A2) and biodegraded (A4) oils have poorer clustering.
Published: 21 October 2019
Figure 10. Santos Basin-Cabo Frio Oil Families: Principal component analysis (PCA) loads, scores, and hierarchical cluster analysis dendrogram showing division of 51 oils into lacustrine (family A) and marine (family B) source rock affinities. Note that there is a clear separation of the main
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Santos-Cabo Frio Southern Campos correlation of PC anomalies with SAR slicks on a backdrop of gravity isostatic residual anomaly with salt features as per Figure 4. GSI SAR slicks (the colored worm shapes) are enclosed by rectangles color-coded to show the confidence ranking; Williams and Lawrence (2002) (W&L) slicks are unranked. The area of continuous salt inferred from the absence of salt welds and associated piercements, particularly in Santos northeast. Salt features in Santos southwest tend to be piercements surrounded by welds leading to numerous surface leaks (SAR slicks and PCs) without (to date) major discoveries. In Santos northeast, salt was evacuated below the Albian Gap, driven basinward into rolling pillows with rare welds outboard of the synclinal basin axis. With few leakage paths to surface, hydrocarbons were retained in large subsalt traps or leaked just at the basin margins. Black arrow extends across an area of continuous salt pillows approximately 125 km from largest SAR slick (red worm/rectangle) to distal OBH welds and piercements. Note the GSI TemisPak profile location (the dashed red line, as per Figure 6) and the PC-seismic correlation locations (the green lines) per Figure 7. Santos Basin fields M = Merluza, Ta = Tambuatá, and Tu = Tubarão. AR (Abimael Ridge), Campos Basin (CB), Cabo Frio High (CFH), and Outer Basin High (OBH) are the same as in Figure 3. Geographic latitude-longitude projection with the WGS84 datum.
Published: 21 October 2019
Figure 5. Santos-Cabo Frio Southern Campos correlation of PC anomalies with SAR slicks on a backdrop of gravity isostatic residual anomaly with salt features as per Figure  4 . GSI SAR slicks (the colored worm shapes) are enclosed by rectangles color-coded to show the confidence ranking
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Cross sections of the Cabo Frio Terrain. location of A-A′ and B-B′ in Figure 2. Modified from Schmitt et al. (2004).
Published: 15 October 2014
Figure 3. Cross sections of the Cabo Frio Terrain. location of A-A′ and B-B′ in Figure  2 . Modified from Schmitt et al. (2004) .
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Location of Campos Basin, offshore Brazil, demarcated by the Cabo Frio High to the south and the Vitoria High to the north. Expanded right panel shows outline of reprocessed poststack 3D data used in this study. Transects A-A′, B-B′, C-C′, D-D′, and E-E′ reference seismic lines used in subsequent figures.
Published: 07 November 2011
Figure 1. Location of Campos Basin, offshore Brazil, demarcated by the Cabo Frio High to the south and the Vitoria High to the north. Expanded right panel shows outline of reprocessed poststack 3D data used in this study. Transects A-A′, B-B′, C-C′, D-D′, and E-E′ reference seismic lines used
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Geoseismic section CC' across transfer zone, Cabo Frio area (modified from Mohriak et al., 1995). See Figure 1 for location.
Published: 01 November 2001
Figure 9 Geoseismic section CC' across transfer zone, Cabo Frio area (modified from Mohriak et al., 1995 ). See Figure 1 for location.
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—(a, b) Time-migrated seismic sections through the Cabo Frio “fault” zone, Santos Basin, offshore Brazil (from Demercian et al., 1993, and Mohriak et al., 1995, respectively). (c) Rollover plot of dips of rollover flanks vs. distance from the frontal salt structures, showing the hill profile typical of expulsion rollovers. See Figure 17 for their structural evolution. Compare with the model structures in Figure 4 and the model rollover plot in Figure 5a.
Published: 01 March 1997
Figure 16 —(a, b) Time-migrated seismic sections through the Cabo Frio “fault” zone, Santos Basin, offshore Brazil (from Demercian et al., 1993 , and Mohriak et al., 1995, respectively). (c) Rollover plot of dips of rollover flanks vs. distance from the frontal salt structures, showing the hill
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—(a–h) Evolution of the Cabo Frio “fault” zone, Santos Basin, offshore Brazil. (i) Speculative future development of a landward-dipping normal fault produced by removal of underlying salt on the proximal flank of the diapir; such a structure is the analog of that in Figure 16a. The nonexaggerated present depth section (h) was converted from the seismic section in Figure 16b using a velocity profile from the Gulf of Mexico shelf (Schultz-Ela and Duncan, 1994) slightly adjusted to correspond with the depth section in Mohriak et al. (1995). Wedges were assumed to initially dip at 1°. Thin abyssal sediments above the starved distal salt plateau were omitted in (a–d).
Published: 01 March 1997
Figure 17 —(a–h) Evolution of the Cabo Frio “fault” zone, Santos Basin, offshore Brazil. (i) Speculative future development of a landward-dipping normal fault produced by removal of underlying salt on the proximal flank of the diapir; such a structure is the analog of that in Figure 16a
Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP369.21
EISBN: 9781862396173
... is observed from Poços de Caldas to Cabo Frio, comprising igneous intrusions dated from 87 to 64 Ma. Mafic dyke swarms trending NW also occur in the region extending from the Cabo Frio Province towards the Central Brazilian Craton. On the West African side, Early Cretaceous–Recent volcanism is observed...
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Series: Geological Society, London, Special Publications
Published: 01 January 2012
DOI: 10.1144/SP363.9
EISBN: 9781862396111
..., greatly affected by massive sediment inflows. The impressive landward-dipping listric Cabo Frio Fault controls the major depocentres updip, whereas salt-cored folds accommodate downdip shortening. Sediment supply from confluent directions creates a complex interference pattern of superposed folds...
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Journal Article
Published: 01 August 2010
Petroleum Geoscience (2010) 16 (3): 231–245.
...W. U. Mohriak; M. Nóbrega; M. E. Odegard; B. S. Gomes; W. G. Dickson Abstract ABSTRACT This paper discusses the geological and geophysical interpretation of rift structures in the region extending from the Rio Grande Rise, in the Southeastern Brazilian margin, towards the Cabo Frio High, which...
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Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP294.15
EISBN: 9781862395428
... metamorphism at c . 530 Ma, coeval with deformational phases D 1 –D 2 , which generated compressive low-angle tectonic structures with top-to-NW tectonic transport. Large recumbent folds with NW–SE axes parallel to the main stretching lineation formed during D 3 as the Cabo Frio tectonic domain, the focus...
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Series: AAPG Studies in Geology
Published: 01 January 1977
DOI: 10.1306/St4393C24
EISBN: 9781629812076
... Abstract Changes in the oceanographic and sedimentologic regime off southern Brazil are reflected in the carbonate enrichment and foraminiferal assemblages of the shelf sediments. North of Cabo Frio, carbonate-rich sands and gravels are characterized by Halimeda , bryozoans, and coralline...
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A traverse line through the Santos (left) and Campos (right) Basins survey. The blue line indicates the positioning of the Cabo Frio high. There is an increase in high-amplitude volcanics above the TOS near the Cabo Frio high.
Published: 21 October 2014
Figure 6. A traverse line through the Santos (left) and Campos (right) Basins survey. The blue line indicates the positioning of the Cabo Frio high. There is an increase in high-amplitude volcanics above the TOS near the Cabo Frio high.
Journal Article
Published: 22 July 2020
Journal of the Geological Society (2020) 177 (6): 1129–1148.
...? The extension-driven model states that the Albian Gap (and overlying rollover) formed as a result of post-Albian gravity-driven extension accommodated by slip on a large, counter-regional, listric normal fault (the Cabo Frio Fault). Conversely, the expulsion-driven hypothesis states that the Albian Gap...
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Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP294.11
EISBN: 9781862395428
... followed, such as those in the Borborema–Trans-Saharan province ( c. 0.62–0.60 Ga); in the Ribeira–Araçuaí belt ( c. 0.58 Ga); along the Araguaia and Paraguay belts (collision of Amazonia, c. 0.54–0.52 Ga); and the accretion of Cabo Frio terrane in the Ribeira Belt ( c. 0.53–0.50 Ga...
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Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP294.12
EISBN: 9781862395428
... probably not behave as one consolidated block, but rather may have accommodated considerable convergence during the Brasiliano/Pan-African episodes. The final docking of Cabo Frio and Kalahari in the Cambrian was coeval with the arrival of Amazonia on the opposite side, resulting in lateral reactivation...
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