1-20 OF 30 RESULTS FOR

Jandaira Formation

Results shown limited to content with bounding coordinates.
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Photograph of a cliff in a limestone quarry (<span class="search-highlight">Jandaíra</span> <span class="search-highlight">Formation</span>, Potiguar B...

Photograph of a cliff in a limestone quarry (Jandaíra Formation, Potiguar B...

Published: 27 February 2019
Figure 2. Photograph of a cliff in a limestone quarry (Jandaíra Formation, Potiguar Basin, Brazil) exposing karst features. Magnifications of the cliff walls (A and B) exhibit dissolution voids along horizontal bedding, which might be filled with unconsolidated sediments. Subvertical fractures
Image
Aerial view of the fracture patterns in the <span class="search-highlight">Jandaira</span> <span class="search-highlight">Formation</span>, Brazil (lef...

Aerial view of the fracture patterns in the Jandaira Formation, Brazil (lef...

Published: 17 January 2018
Fig. 9. Aerial view of the fracture patterns in the Jandaira Formation, Brazil (left) (Bisdom 2016). The marked inset boxes indicate the locations where subset-model fractures patterns are taken. The upper inset represents a disconnected fracture and network, and the lower inset is for connected
Image
Model of a connected fracture network located in the <span class="search-highlight">Jandaira</span> <span class="search-highlight">Formation</span> ( F...

Model of a connected fracture network located in the Jandaira Formation ( F...

Published: 17 January 2018
Fig. 13. Model of a connected fracture network located in the Jandaira Formation ( Fig. 9 , lower inset). ( a ) Fracture network with the locations of wells (the unit is in metres) and ( b ) simulated pressure derivatives. Solid lines represent simulations for well-intersecting fractures
Image
Model of a disconnected fracture network located in the <span class="search-highlight">Jandaira</span> <span class="search-highlight">Formation</span> ...

Model of a disconnected fracture network located in the Jandaira Formation ...

Published: 17 January 2018
Fig. 14. Model of a disconnected fracture network located in the Jandaira Formation ( Fig. 9 , upper inset). ( a ) fracture network with locations of wells (the unit is in metres) and ( b ) simulated pressure derivatives. Solid lines represent simulations for well-intersecting fractures
Journal Article

Scaling laws of karst dissolution features: Evidence from three-dimensional unmanned aerial vehicle imaging and ground-penetrating radar analyses

Juliana A. G. Lopes, Walter E. Medeiros, Renato R. S. Dantas, Josibel G. Oliveira, Jr., Flávio L. Santana, Francisco H. R. Bezerra
Journal: AAPG Bulletin
Published: 01 January 2025
AAPG Bulletin (2025) 109 (1): 35–56.
DOI: https://doi.org/10.1306/09202423118
... is the result of a comprehensive study of two outcrops of the Jandaíra Formation (Potiguar Basin, northeastern Brazil), and deposited within an early Turonian–early Campanian carbonate platform setting that offers a well-preserved exposure of an epigenetic karstic system. Our methodology involved estimating...
FIGURES | View All (14)
PDF
Purchase
Add to Citation Manager
Journal Article

Analysing the limitations of the dual-porosity response during well tests in naturally fractured reservoirs

D. O. Egya, S. Geiger, P. W. M. Corbett, R. March, K. Bisdom, G. Bertotti, F. H. Bezerra
Published: 17 January 2018
Petroleum Geoscience (2019) 25 (1): 30–49.
DOI: https://doi.org/10.1144/petgeo2017-053
...Fig. 9. Aerial view of the fracture patterns in the Jandaira Formation, Brazil (left) (Bisdom 2016). The marked inset boxes indicate the locations where subset-model fractures patterns are taken. The upper inset represents a disconnected fracture and network, and the lower inset is for connected...
FIGURES | View All (25)
PDF
Purchase
Add to Citation Manager
Image
A well intersecting smaller unconnected fractures located in the <span class="search-highlight">Jandaira</span> F...

A well intersecting smaller unconnected fractures located in the Jandaira F...

Published: 17 January 2018
Fig. 25. A well intersecting smaller unconnected fractures located in the Jandaira Formation ( Fig. 9 , lower inset). Fracture geometry with variable lengths of fractures and separation distances between smaller fractures and the large fractures ( a ) and simulated pressure derivatives
Image
Uplift of the Borborema Plateau, NE Brazil, is shown. (A) Paleobiology Data...

Uplift of the Borborema Plateau, NE Brazil, is shown. (A) Paleobiology Data...

Published: 29 October 2020
circles with error bars—measurements of mean uplift and paleobathymetric uncertainties within the swaths. Green bands show elevation of (Cretaceous, marine) Santana, Codó, and Jandaíra Formations projected onto cross section.
Journal Article

Near-Surface K-Feldspar Precipitation in Cretaceous Sandstones from the Potiguar Basin, Northeastern Brazil

Anderson J. Maraschin, Ana Maria P. Mizusaki, Luiz F. De Ros
Published: 01 May 2004
The Journal of Geology (2004) 112 (3): 317–334.
DOI: https://doi.org/10.1086/382762
...-estuarine sandstones and green to red mudstones of the Açu Formation (Kreidler and Andery 1949 ), overlain by Turonian to Campanian shallow marine carbonates of the Jandaíra Formation (Sampaio and Schaller 1968 ). In the late Cretaceous (middle Campanian), an important tectonic reactivation occurred...
FIGURES | View All (11)
PDF
Purchase
Add to Citation Manager
Journal Article

Fracture analyser: a Python toolbox for the 2D analysis of fracture patterns

Lorenzo Borghini, Giulia Striglio, Giulio Bacchiani, Vincenzo La Bruna, Fabrizio Balsamo, Lorenzo Bonini, Francisco H.R. Bezerra
Published: 01 June 2024
Italian Journal of Geosciences (2024) 143 (2): 314–328.
DOI: https://doi.org/10.3301/IJG.2024.16
..., and the possibility of using FA on both pavements and wall outcrops is shown. The Rosario pavement ( Fig. 2 ) is composed of limestone of the Cretaceous Jandaira formation, is exposed along the bank of the Apodì River about 6 km north of Felipe Guerra (Rio Grande do Norte, BR), and is approximately 0.5 km 2...
FIGURES | View All (10)
PDF
Add to Citation Manager
Includes: Supplemental Content
Journal Article

A geometrically based method for predicting stress-induced fracture aperture and flow in discrete fracture networks

Kevin Bisdom, Giovanni Bertotti, Hamidreza M. Nick
Journal: AAPG Bulletin
Published: 01 July 2016
AAPG Bulletin (2016) 100 (7): 1075–1097.
DOI: https://doi.org/10.1306/02111615127
... to shortening at shallow depth Two conjugate families with bisections striking north–south and east–west Riley et al., 2010 Tunisia II * 50 × 50 m (164 x 164 ft) subset of Tunisia I Brazil I † Jandaira Formation, Potiguar basin, northeast Brazil (−5.5610578/−37.661895) Carbonate (karstified...
FIGURES | View All (12)
PDF
Purchase
Add to Citation Manager
Journal Article

A linear approach to simulate a constant- Q model in time-domain ground-penetrating radar modeling using multiple Debye poles: Theory and application in karst carbonate rocks

Bruno B. Santos, Renato R. S. Dantas, Walter E. Medeiros, Juliana A. G. Lopes, Josibel G. Oliveira Jr., Flávio L. Santana
Journal: Geophysics
Published: 28 October 2022
Geophysics (2022) 87 (6): E401–E413.
DOI: https://doi.org/10.1190/geo2021-0731.1
...-and-error approximate reproduction of a 200 MHz field radargram acquired in intensely fractured and karstified carbonate rocks. A 200 MHz pseudo-3D GPR cube was acquired on an outcrop composed of intensely fractured and karstified carbonate rocks of the Jandaíra Formation (Potiguar Basin, Brazil...
FIGURES | View All (10)
PDF
Purchase
Add to Citation Manager
Journal Article

Cretaceous to Recent net continental uplift from paleobiological data: Insights into sub-plate support

Victoria M. Fernandes, Gareth G. Roberts
Journal: GSA Bulletin
Published: 29 October 2020
GSA Bulletin (2021) 133 (5-6): 1217–1236.
DOI: https://doi.org/10.1130/B35739.1
... circles with error bars—measurements of mean uplift and paleobathymetric uncertainties within the swaths. Green bands show elevation of (Cretaceous, marine) Santana, Codó, and Jandaíra Formations projected onto cross section. ...
FIGURES | View All (10)
PDF
Purchase
Add to Citation Manager
Journal Article

Diagenesis and Microscopic Heterogeneity of Lacustrine Deltaic and Turbiditic Sandstone Reservoirs (Lower Cretaceous), Potiguar Basin, Brazil

Marco A. S. Moraes
Journal: AAPG Bulletin
Published: 11 November 1991
AAPG Bulletin (1991) 75 (11): 1758–1771.
DOI: https://doi.org/10.1306/0C9B29F7-1710-11D7-8645000102C1865D
...-water carbonate sequence of the Jandaira Formation. The Pendência Formation constitutes the rift-fill sequence. It consists of a very thick (more than 5000 m in the deeper parts of the grabens) and complex association of lacustrine shales, siltstones, and fine-grained sandstones that grade into coarser...
FIGURES | View All (18)
PDF
Purchase
Add to Citation Manager
Journal Article

Fluid-flow evolution in the Albanide fold-thrust belt: Insights from hydrogen and oxygen isotope ratios of fluid inclusions

Stefan de Graaf, Casimir W. Nooitgedacht, Johan Le Goff, Jeroen H. J. L. van der Lubbe, Hubert B. Vonhof, John J. G. Reijmer
Journal: AAPG Bulletin
Published: 15 October 2019
AAPG Bulletin (2019) 103 (10): 2421–2445.
DOI: https://doi.org/10.1306/02151918034
.... Cazarin , 2017 , Fracturing and fluid-flow during post-rift subsidence in carbonates of the Jandaíra Formation, Potiguar Basin, NE Brazil : Basin Research , v.  29 , no.  6 , p.  836 – 853 , doi: 10.1111/bre.12246 . Billi , A. , and F. Salvini , 2003 , Development of systematic...
FIGURES | View All (10)
PDF
Purchase
Add to Citation Manager
Journal Article

Post-depositional history of the lower Palaeocene interval using petrographic, CL and geochemical data in the East Tethys: Kopet-Dagh Basin, northeast Iran

Akbar Heidari, Luis A Gonzalez, Reza Moussavi-Harami, Narges Shokri
Published: 03 January 2023
Geological Magazine (2023) 160 (3): 545–560.
DOI: https://doi.org/10.1017/S0016756822001108
... cementation controlling fluid flow in the shallow-water carbonates of the Jandaíra Formation, Brazil . Marine and Petroleum Geology 80 , 93 – 118 . Habermann D , Neuser RD...
FIGURES | View All (9)
PDF
Purchase
Add to Citation Manager
Journal Article

Calibration of naturally fractured reservoir models using integrated well-test analysis – an illustration with field data from the Barents Sea

David O. Egya, Patrick W. M. Corbett, Sebastian Geiger, Jens-Petter Norgard, Søren Hegndal-Andersen
Published: 08 October 2021
Petroleum Geoscience (2022) 28 (1): petgeo2020-042.
DOI: https://doi.org/10.1144/petgeo2020-042
... field ( Arkan et al. 2002 ), the Hellisheidi geothermal system ( Elmi and Axelsson 2008 ) and gas reservoirs ( Spyrou et al. 2013 ). Similar pressure responses have been observed for the Jandaira Formation in Brazil, which contains multiscale fracture networks ( Egya et al. 2019 b ). Evaluating...
FIGURES | View All (20)
PDF
Purchase
Add to Citation Manager
Journal Article

The Morro Vermelho hypogenic karst system (Brazil): Stratigraphy, fractures, and flow in a carbonate strike-slip fault zone with implications for carbonate reservoirs

Giovanni Bertotti, Philippe Audra, Augusto Auler, Francisco Hilario Bezerra, Stephan de Hoop, Cayo Pontes, Rahul Prabhakaran, Rebeca Lima
Journal: AAPG Bulletin
Published: 15 October 2020
AAPG Bulletin (2020) 104 (10): 2029–2050.
DOI: https://doi.org/10.1306/05212019150
.... Bisdom , B. Oskam , H. B. Vonhof , F. H. R. Bezerra , J. J. G. Reijmer , and C. L. Cazarin , 2017 , Fracturing and fluid-flow during post-rift subsidence in carbonates of the Jandaíra Formation, Potiguar Basin, NE Brazil : Basin Research , v.  29 , p.  836 – 853 , doi...
FIGURES | View All (15)
PDF
Purchase
Add to Citation Manager
Journal Article

A user-driven feedback approach for 2D direct current resistivity inversion based on particle swarm optimization

Francisco M. Barboza, Walter E. Medeiros, Jerbeson M. Santana
Journal: Geophysics
Published: 27 February 2019
Geophysics (2019) 84 (2): E105–E124.
DOI: https://doi.org/10.1190/geo2017-0735.1
...Figure 2. Photograph of a cliff in a limestone quarry (Jandaíra Formation, Potiguar Basin, Brazil) exposing karst features. Magnifications of the cliff walls (A and B) exhibit dissolution voids along horizontal bedding, which might be filled with unconsolidated sediments. Subvertical fractures...
FIGURES | View All (20)
PDF
Purchase
Add to Citation Manager
Journal Article

Pollen niche of Melipona ( Melikerria ) interrupta (Apidae: Meliponini) bred in a meliponary in a terra-firme forest in the central Amazon

Marcos Goncalves Ferreira, Maria Lucia Absy
Journal: Palynology
Published: 03 April 2018
Palynology (2018) 42 (2): 199–209.
DOI: https://doi.org/10.1080/01916122.2017.1332694
... ; Renner 1983 ; Proença 1992 ). The similarity in collection between the months studied was assessed by cluster analysis, where we observed the formation of three distinct groups determined by the main types of pollen collected: group 1 (February, June, July and September), group 2 (January...
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager