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Journal Article

Basement-involved inversion at the Appalachian structural front, western Newfoundland: an interpretation of seismic reflection data with implications for petroleum prospectivity Available to Purchase

Glen S. Stockmal, Art Slingsby, John W.F. Waldron
Published: 01 September 2004
Bulletin of Canadian Petroleum Geology (2004) 52 (3): 215–233.
DOI: https://doi.org/10.2113/52.3.215
... in the hanging wall of the southeast-dipping Round Head Thrust, terminated in the platform succession in the footwall of this basement-involved inversion structure, and discovered the Garden Hill petroleum pool. The most recent well, Shoal Point K-39, was drilled in 1999 to test a model in which the Round Head...
FIGURES | View All (17)
View PDF for article title, Basement-involved inversion at the Appalachian structural front, western Newfoundland: an interpretation of seismic reflection data with implications for petroleum prospectivity
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Depth-structure map on the top of the Table Point Formation, after Cooper et al. (2001); contours are in kilometres. Cooper et al. (2001) interpret the Round Head Thrust (RHT) to be in net extension northeast of Shoal Point. See text for discussion.

Depth-structure map on the top of the Table Point Formation, after Cooper ... Available to Purchase

Published: 01 September 2004
Fig. 14. Depth-structure map on the top of the Table Point Formation, after Cooper et al. (2001) ; contours are in kilometres. Cooper et al. (2001) interpret the Round Head Thrust (RHT) to be in net extension northeast of Shoal Point. See text for discussion.
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Surface geology of the Port au Port Peninsula and adjacent areas and locations of seismic and structural section lines. Based on data from H. Williams (1985), Stockmal and Waldron (1993), and Palmer (1995). The two Shoal Point wells are labeled #1 and #2.

Surface geology of the Port au Port Peninsula and adjacent areas and locati... Available to Purchase

Published: 01 March 2001
Figure 5 Surface geology of the Port au Port Peninsula and adjacent areas and locations of seismic and structural section lines. Based on data from H. Williams (1985) , Stockmal and Waldron (1993) , and Palmer (1995) . The two Shoal Point wells are labeled #1 and #2.
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Stratigraphic cross-section based on well logs from the St. George’s Bay A-36, Long Range A-09, Port au Port No. 1, Shoal Point K-39, and Long Point M-16 wells. Note that no density log was available for K-39. MD – measured depth; TVD – true vertical depth. K-39 depth values in metres TVD, all other wells in metres MD.

Stratigraphic cross-section based on well logs from the St. George’s Bay A-... Available to Purchase

Published: 01 September 2004
Fig. 6. Stratigraphic cross-section based on well logs from the St. George’s Bay A-36, Long Range A-09, Port au Port No. 1, Shoal Point K-39, and Long Point M-16 wells. Note that no density log was available for K-39. MD – measured depth; TVD – true vertical depth. K-39 depth values in metres
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—Coon Point dome (Ship Shoal area) and South Timbalier Block 135 dome (offshore Louisiana) are simple domal masses; former is semi-cone-shaped and latter flat-topped. Configurations of surface of salt or cap rock (Coon Point) and salt surfaces of Block 135 are after New Orleans Geol. Soc. (1960).

—Coon Point dome (Ship Shoal area) and South Timbalier Block 135 dome (offs... Available to Purchase

Published: 01 March 1966
Fig. 23. —Coon Point dome (Ship Shoal area) and South Timbalier Block 135 dome (offshore Louisiana) are simple domal masses; former is semi-cone-shaped and latter flat-topped. Configurations of surface of salt or cap rock (Coon Point) and salt surfaces of Block 135 are after New Orleans Geol. Soc
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Four-phase model of meander-bend evolution through shoaling of the upstream meander limb: A) the channel bend undergoes bend expansion; B) shoaling of the upstream meander limb occurs through stalling of a unit bar just upstream of the bend apex; C) shoaling directs flow across the point bar, forming a bar-head lobe; and D) erosion across the point bar leads to chute cutoff.

Four-phase model of meander-bend evolution through shoaling of the upstream... Available to Purchase

Published: 01 March 2007
Figure 5 Four-phase model of meander-bend evolution through shoaling of the upstream meander limb: A) the channel bend undergoes bend expansion; B) shoaling of the upstream meander limb occurs through stalling of a unit bar just upstream of the bend apex; C) shoaling directs flow across
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Flume experiment showing migration of bedforms shoaling onto point bar as result of flow deceleration and helical flow in widening bend.

Flume experiment showing migration of bedforms shoaling onto point bar as r... Available to Purchase

Published: 01 April 2014
Figure 2. Flume experiment showing migration of bedforms shoaling onto point bar as result of flow deceleration and helical flow in widening bend.
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Submarine shoals between Finley Cay and Powell Point, Southwest Eleuthera Island.

Submarine shoals between Finley Cay and Powell Point, Southwest Eleuthera I... Available to Purchase

Published: 01 January 1954
EXPLANATION OF PLATE 9 Submarine shoals between Finley Cay and Powell Point, Southwest Eleuthera Island. Air photo mosaic of 9.2 (whose limits are shown in Fig. 6 ) lies close to edge of Banks and shows a pattern work of submarine shoals of calcareous sand between darker tidal current channels
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Isopach thickness maps depicting shoal interval thicknesses for each Pettet subunit. (A) Thickness of the Pettet D unit. Shoal complexes are confined to the far northeastern corner of the study area. (B) Thickness of the Pettet C unit. Expansive shoal-complexes dominate the majority of central and north Rusk County, Texas, with the thickest interval stretching northwest-southeast from the northwest corner of the study area to the centraleastern border. Note that shoal intervals shown in the southwestern corner of the study area are associated with fault blocks in the Mount Enterprise fault zone. (C) Thickness of the Pettet B unit. Shoal complexes continued prograding to the southwest, with the main loci (thickest interval) being focused at the terminal southwestern edge of the mapped unit. Shoals did not prograde any farther southwest than this point in the Pettet Formation (note: as in B, the shoal interval recorded in the southwestern corner of the study area is associated with a fault block). (D) Thickness of the Pettet A unit. Flooding of the platform in the lower Pettet A caused shoal complexes to backstep significantly to the northeast; they again resumed a southwestern progradational habit in the upper Pettet A.

Isopach thickness maps depicting shoal interval thicknesses for each Pettet... Available to Purchase

Published: 01 March 2024
fault zone. (C) Thickness of the Pettet B unit. Shoal complexes continued prograding to the southwest, with the main loci (thickest interval) being focused at the terminal southwestern edge of the mapped unit. Shoals did not prograde any farther southwest than this point in the Pettet Formation (note
Journal Article

Petroleum geochemistry and hydrocarbon potential of Cambrian and Ordovician rocks of western Newfoundland Available to Purchase

M.G. Fowler, A.P. Hamblin, D. Hawkins, L.D. Stasiuk, I. Knight
Published: 01 June 1995
Bulletin of Canadian Petroleum Geology (1995) 43 (2): 187–213.
DOI: https://doi.org/10.35767/gscpgbull.43.2.187
... conducted in the past several years to assess source rock potential. Geochemical analyses include those of oils from Parson's Pond, St. Paul's Inlet and Shoal Point, source rock samples from the Green Point Formation and similar units, and miscellaneous rock samples thought o be stained with migrated...
View PDF for article title, Petroleum geochemistry and hydrocarbon potential of Cambrian and Ordovician rocks of western Newfoundland
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A) Inset: location of study area at southern tip of Ambergris Caye. Main map shows outline of Cangrejo Shoals, areal distribution of dolomite, thickness of sediments on the Pleistocene limestone (contour interval ∼1.5 m: 5 ft), and core locations. This map is rotated 90° clockwise from that shown in the inset. B) Aerial photo of Cangrejo Shoals; view to the northeast. Ambergris Caye (AC) in the distance, inclined arrow points to Cayo Rombo, horizontal arrow points to Cayo Pescador, and Cayo Cangrejo (CC) is on the right.

A) Inset: location of study area at southern tip of Ambergris Caye. Main m... Available to Purchase

Published: 01 May 2000
that shown in the inset. B) Aerial photo of Cangrejo Shoals; view to the northeast. Ambergris Caye (AC) in the distance, inclined arrow points to Cayo Rombo, horizontal arrow points to Cayo Pescador, and Cayo Cangrejo (CC) is on the right.
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Scanning-electron-microscopy (SEM) images of representative ooid surface textures (A–D) and proportions of each surface texture versus distance for select shoal crest samples (E). Ooid surface textures were categorized as A) well-polished, B) slightly microbored, C) moderately microbored, and D) heavily microbored. E) The proportion of each surface texture in representative sediment samples spanning the length of the shoal crest was determined by point counting 250 grains per sample. The proportions of moderately and heavily microbored ooids decrease farther west along the shoal crest, whereas the proportions of well-polished and slightly microbored ooids increase, likely a result of abrasion during sediment transport. In contrast, representative sediment samples from foreshore, algae-stabilized subtidal, and intra-cay shoal environments have higher proportions of moderately and heavily microbored grains and lower proportions of well-polished and slightly microbored grains than most shoal-crest samples (colored bars show range of values for these environments). Dashed lines show linear trends fitted to each surface texture type for shoal crest samples.

Scanning-electron-microscopy (SEM) images of representative ooid surface te... Available to Purchase

Published: 30 September 2018
microbored, and D) heavily microbored. E) The proportion of each surface texture in representative sediment samples spanning the length of the shoal crest was determined by point counting 250 grains per sample. The proportions of moderately and heavily microbored ooids decrease farther west along
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—Detail of LANDSAT image of Little Bahama Bank showing Lily Bank oolite shoal. Lateral extent of shoal is limited to two large reentrants in bank edge separated by Matanilla Reef East. Slightly deeper reefs extend across reentrants. Linear sand ridges radiate away from central point in each reentrant.

—Detail of LANDSAT image of Little Bahama Bank showing Lily Bank oolite sho... Available to Purchase

Published: 01 March 1977
Fig. 10 —Detail of LANDSAT image of Little Bahama Bank showing Lily Bank oolite shoal. Lateral extent of shoal is limited to two large reentrants in bank edge separated by Matanilla Reef East. Slightly deeper reefs extend across reentrants. Linear sand ridges radiate away from central point
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São Sebastião quarry. (a) Bench of coquina and interbedded shale along the quarry wall. The polygon at the quarry floor indicates the position of the GPR acquisition. The asterisk in the lower left corner points out the position of the panel in panel (c). (b) Representative outcrop details from a different portion of the quarry showing shoaling-up (shoal-up) and amalgamated (amalg) FA successions (represented by the blue arrows) comprise wackestone, packstone, and grainstone facies with sigmoidal geometry, modified from Kinoshita (2007). (c) Shoaling-up (shoal-up) and amalgamated (amalg) FAs interbedded with a mudstone/shale (mud) FA (represented by the green rectangle). The grainstone amalgamated FA comprises amalgamated beds of packstone and grainstone that are typically trough to tabular cross-stratified. Note in the lower right corner a set of subvertical metric-scale fractures.

São Sebastião quarry. (a) Bench of coquina and interbedded shale along the ... Available to Purchase

Published: 18 April 2016
Figure 3. São Sebastião quarry. (a) Bench of coquina and interbedded shale along the quarry wall. The polygon at the quarry floor indicates the position of the GPR acquisition. The asterisk in the lower left corner points out the position of the panel in panel (c). (b) Representative outcrop
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Log-log correlation between sedimentation rate and observational time span, using data points of cored sections from Cangrejo and Bulkhead shoals. Power-law relationships may exist for Cangrejo and Bulkhead shoals and their combination (Table 2), and show a trend similar to that of Sadler (1999). Average rates and corresponding one standard deviations of the four subdivisions in the study area are also displayed to show large variations in sedimentation rate (Table 1).

Log-log correlation between sedimentation rate and observational time span,... Available to Purchase

Published: 01 July 2004
Figure 13 Log-log correlation between sedimentation rate and observational time span, using data points of cored sections from Cangrejo and Bulkhead shoals. Power-law relationships may exist for Cangrejo and Bulkhead shoals and their combination ( Table 2 ), and show a trend similar
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Results of the Delft 3D numerical model of Double Breasted Cays during peak A) ebb and B) flood tides. Velocity vectors are color coded by magnitude and point in the direction of the current. The flood tide shows elevated velocities through the southern channel whereas the highest velocities of the ebb tide occur in the northern channel of the shoal system. Note that the velocities away from the shoal are less than 0.28 m/s and are therefore unable to move the average ooid found in this area.

Results of the Delft 3D numerical model of Double Breasted Cays during peak... Available to Purchase

Published: 01 March 2008
Figure 15 Results of the Delft 3D numerical model of Double Breasted Cays during peak A) ebb and B) flood tides. Velocity vectors are color coded by magnitude and point in the direction of the current. The flood tide shows elevated velocities through the southern channel whereas the highest
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Core description illustrating the typical vertical succession of facies seen within the MM3. Overall, there is an interpreted transgressive succession consisting from the base up of inner estuarine point bars (FA-2), tidal flats (FA-7) and wave influenced, marginal marine deposits (FA-10). Wave influenced marginal marine deposits (FA-10) consist of thin upward shoaling successions that are 3–6 m in thickness. Core photographs of a typical upward shoaling succession are shown to the right.

Core description illustrating the typical vertical succession of facies see... Available to Purchase

Published: 01 June 2016
Figure 16 Core description illustrating the typical vertical succession of facies seen within the MM3. Overall, there is an interpreted transgressive succession consisting from the base up of inner estuarine point bars (FA-2), tidal flats (FA-7) and wave influenced, marginal marine deposits (FA
Journal Article

Three-dimensional facies modeling of carbonate sand bodies: Outcrop analog study in an epicontinental basin (Triassic, southwest Germany) Available to Purchase

Denis Palermo, Thomas Aigner, Sergio Nardon, Wolfgang Blendinger
Journal: AAPG Bulletin
Published: 01 April 2010
AAPG Bulletin (2010) 94 (4): 475–512.
DOI: https://doi.org/10.1306/08180908168
... of succession. High-energy shoal facies types occur only in and around areas with a reduced overall thickness, whereas areas with a thicker development are dominated by low-energy, muddy facies types. All observations combined point to the presence of a subtle paleorelief, which could be induced by slight...
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View PDF for article title, Three-dimensional facies modeling of carbonate sand bodies: Outcrop analog study in an epicontinental basin (Triassic, southwest Germany)
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Remote-sensing images and aerial photos of Schooner Cays ooid sand shoal, Great Bahama Bank. A) Landsat image of Schooner Cays shoal complex. The shoal complex is bounded to the south by the deep water embayment of Exuma Sound, and to the north by the shallow waters of Great Bahama Bank. The shoal complex includes flow-parallel tidal sand ridges to the east, but other complex bar forms to the west. The box highlights the focus area. B) Oblique aerial photograph of the bankward termination of some of the tidal sand ridges. Note how the bars bend to the northwest. C) Interpreted remote sensing image, illustrating the general geometries. Several types of bar forms are present, including tidal sand ridges (TSR) and parabolic bars (PB), as well as intervening channels. The stars and circles indicate the positions of deployment of current meters and wave gauges. "P.P." is Powell Point, the end of Eleuthera Island. Note how the linear tidal sand ridges pass bankward into more parabolic bar forms. Image copyright DigitalGlobe.com.

Remote-sensing images and aerial photos of Schooner Cays ooid sand shoal, G... Available to Purchase

Published: 01 February 2011
Figure 6 Remote-sensing images and aerial photos of Schooner Cays ooid sand shoal, Great Bahama Bank. A) Landsat image of Schooner Cays shoal complex. The shoal complex is bounded to the south by the deep water embayment of Exuma Sound, and to the north by the shallow waters of Great Bahama
Journal Article

Trinity Shoal: a Reworked Deltaic Barrier on Louisiana Continental Shelf: ABSTRACT Free

John R. Suter, Shea Penland, Thomas F. Moslow
Journal: AAPG Bulletin
Published: 01 February 1985
AAPG Bulletin (1985) 69 (2): 309–310.
DOI: https://doi.org/10.1306/AD4623FD-16F7-11D7-8645000102C1865D
... of Atchafalaya Bay and the Point Au Fer–March Island shell reefs. Approximately 1,000 km of high-resolution uniboom and 3.5 kHz subbottom-profile seismic data, taken in this area in 1983 and 1984, provide the data base for this study. Trinity shoal, associated with the abandoned Maringouin delta complex...
View PDF for article title, Trinity <span class="search-highlight">Shoal</span>: a Reworked Deltaic Barrier on Louisiana Continental Shelf: ABSTRACT
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