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Ragged Reef Formation

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Journal Article

Chemostratigraphy of Cumberland Group (Pennsylvanian) strata influenced by salt tectonics, Joggins Fossil Cliffs UNESCO World Heritage Site, eastern Canada Available to Purchase

Fadel Bahr, Dave Keighley
Published: 23 September 2021
Journal of Sedimentary Research (2021) 91 (9): 969–985.
DOI: https://doi.org/10.2110/jsr.2020.152
... Heritage Site, the post–Boss Point Formation succession comprises an ∼ 3 km succession of strata assigned to the Little River, Joggins, Springhill Mines, and Ragged Reef formations. North of the Minudie anticline, the Grande Anse Formation lies in angular unconformity on the Boss Point and basal Little...
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View PDF for article title, Chemostratigraphy of Cumberland Group (Pennsylvanian) strata influenced by salt tectonics, Joggins Fossil Cliffs UNESCO World Heritage Site, eastern Canada
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Journal Article

Stratigraphy and sedimentology of the Pennsylvanian Grande Anse Formation, Cumberland Basin, eastern Canada: its relationship to salt tectonics and coeval strata of the Joggins World Heritage Site Available to Purchase

Fadel Bahr, Dave Keighley
Published: 06 August 2020
Canadian Journal of Earth Sciences (2021) 58 (3): 209–224.
DOI: https://doi.org/10.1139/cjes-2020-0075
.... South of the wall (Athol Syncline), along the Joggins World Heritage shoreline, an ∼3000 m succession of strata (Little River, Joggins, Springhill Mines, and Ragged Reef formations) accumulated conformably on the Boss Point Formation. North of the wall (Black Point sub-basin), the biostratigraphically...
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View PDF for article title, Stratigraphy and sedimentology of the Pennsylvanian Grande Anse <span class="search-highlight">Formation</span>, Cumberland Basin, eastern Canada: its relationship to salt tectonics and coeval strata of the Joggins World Heritage Site
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Correlation model (second option, Figs. 5A–6B): (A) Lower part of the Grande Anse and Ragged Reef formations that are separated by a salt well (B). Upper part of the Grande Anse and Ragged Reef formations. [Colour online.]

Correlation model (second option, Figs. 5A – 6B ): (A) Lower part of the G... Available to Purchase

Published: 06 August 2020
Fig. 12. Correlation model (second option, Figs. 5A – 6B ): (A) Lower part of the Grande Anse and Ragged Reef formations that are separated by a salt well (B). Upper part of the Grande Anse and Ragged Reef formations. [Colour online.]
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Geographic distribution of rock units and location of samples in middle part of Joggins coastal section northeast of Shulie; Springhill Mines Formation coastal section; type section of Ragged Reef Formation.

Geographic distribution of rock units and location of samples in middle par... Available to Purchase

Published: 01 June 2010
Figure 4. Geographic distribution of rock units and location of samples in middle part of Joggins coastal section northeast of Shulie; Springhill Mines Formation coastal section; type section of Ragged Reef Formation.
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Perennial fluvial style. A) Channel incised into floodplain deposits; note the stepped nature of the channel margin. Story boundaries are characterized by intraformational conglomerate–breccias overlying lower contacts of individual stories (white arrow). This sandbody is composed of two laterally amalgamated but vertically offset channel bodies; a second channel margin is observed to the right (black arrow). Hammer (circled) is 0.28 m. Ragged Reef Formation. B) View of two multistory sandstone bodies that display an extensive sheet-like architecture separated by well-drained floodplain deposits. Sandstones can be traced &gt; 2 km along strike. The upper story in the lowermost sandstone body is composed of several lateral-accretion surfaces dipping to the left. A crevasse channel occurs in the floodplain deposits and pinches out to the right. Cliff is oriented approximately normal to paleoflow. Geologist is 1.85 m tall. Ragged Reef Formation. C) Erosionally based multistory sandstone body with heterolithic lateral-accretion surfaces in the upper story. Springhill Mines Formation.

Perennial fluvial style. A) Channel incised into floodplain deposits; not... Available to Purchase

Published: 01 October 2013
laterally amalgamated but vertically offset channel bodies; a second channel margin is observed to the right (black arrow). Hammer (circled) is 0.28 m. Ragged Reef Formation. B) View of two multistory sandstone bodies that display an extensive sheet-like architecture separated by well-drained floodplain
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Conceptual model of the evolution of the western Cumberland Basin. (A) Visean, Windsor Group, evaporites, and redbed deposition. (B) Serpukhovian, Mabou Group, redbed deposition. (C) Bashkirian, Yeadonian, lower Boss Point Formation deposition, and start of salt movements. (D) Bashkirian, early Langsettian, Little River Formation deposition started in the south side of salt wall and increases loading on evaporitic strata of the Windsor Group (E; option one), deposition of the Grande Anse Formation in the north side of the salt wall, at same time as the deposition of the Joggins and Springhill Mines formations in the south side of the salt wall. Potentially continued deposition of the Grande Anse Formation north of the wall (F; option two) with (G) deposition of Ragged Reef Formation in the south side of the salt wall, erosion processes at the north side of the salt wall at same time as the deposition of the Joggins and Springhill Mines formations in the south side of the salt wall. (H) Deposition of the Grande Anse Formation concurrent with deposition of the Ragged Reef Formation in the south of the salt wall. The deposition of these units may have been gradually onlapping to the north or have been (angular) unconformable (north) to disconformable (south) on older strata. [Colour online.]

Conceptual model of the evolution of the western Cumberland Basin. (A) Vise... Available to Purchase

Published: 06 August 2020
and Springhill Mines formations in the south side of the salt wall. Potentially continued deposition of the Grande Anse Formation north of the wall (F; option two) with (G) deposition of Ragged Reef Formation in the south side of the salt wall, erosion processes at the north side of the salt wall at same time
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Stratigraphic location of section sampled (bold vertical arrows) from the Springhill Mines Formation, and type section of the lower Ragged Reef Formation, Joggins section, Nova Scotia. Letters C and CS to the right of the lithological column denote coal seam and coaly shale.

Stratigraphic location of section sampled (bold vertical arrows) from the S... Available to Purchase

Published: 01 June 2010
Figure 10. Stratigraphic location of section sampled (bold vertical arrows) from the Springhill Mines Formation, and type section of the lower Ragged Reef Formation, Joggins section, Nova Scotia. Letters C and CS to the right of the lithological column denote coal seam and coaly shale.
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Vertical distribution chart of palynomorph taxa in selected samples from type section of the Springhill Mines Formation, and lowest part of the type section of the Ragged Reef Formation, Joggins coastal section (Figure 10) ordered according to earliest occurrence. Semi-quantitative data show relative abundance of taxa. R = reworked.

Vertical distribution chart of palynomorph taxa in selected samples from ty... Available to Purchase

Published: 01 June 2010
Figure 22. Vertical distribution chart of palynomorph taxa in selected samples from type section of the Springhill Mines Formation, and lowest part of the type section of the Ragged Reef Formation, Joggins coastal section (Figure 10 ) ordered according to earliest occurrence. Semi-quantitative
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Vertical distribution chart of palynomorph taxa in selected samples from lower part of the type section of the Ragged Reef Formation, Joggins coastal section (Figure 10) ordered according to earliest occurrence. Semi-quantitative data show relative abundance of taxa. R = reworked.

Vertical distribution chart of palynomorph taxa in selected samples from lo... Available to Purchase

Published: 01 June 2010
Figure 23. Vertical distribution chart of palynomorph taxa in selected samples from lower part of the type section of the Ragged Reef Formation, Joggins coastal section (Figure 10 ) ordered according to earliest occurrence. Semi-quantitative data show relative abundance of taxa. R = reworked.
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Vertical distribution chart of palynomorph taxa in selected samples from the upper part of the type section of the Ragged Reef Formation, Joggins coastal section (Figure 10) ordered according to earliest occurrence. Semi-quantitative data show relative abundance of taxa. R = reworked.

Vertical distribution chart of palynomorph taxa in selected samples from th... Available to Purchase

Published: 01 June 2010
Figure 24. Vertical distribution chart of palynomorph taxa in selected samples from the upper part of the type section of the Ragged Reef Formation, Joggins coastal section (Figure 10 ) ordered according to earliest occurrence. Semi-quantitative data show relative abundance of taxa. R = reworked.
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Conceptual model of the evolution of the western Cumberland Basin during Carboniferous time. 1) Bashkirian, Yeadonian, lower Boss Point Formation deposition and initiation of salt movement. Initiation may have been due directly to fault movement at the northern boundary of the basin, or indirectly at the southern end (Spicers Cove Fault not shown). The latter induced deposition of conglomerates (Polly Brook Formation) that increased the load at the south end of the basin. 2) Bashkirian, early Langsettian, Little River and Polly Brook formation deposition on the south side of salt wall increases loading on evaporitic strata of the Windsor Gp. 3A) Option one: deposition of the Grande Anse Formation commences on the north side of the salt wall, in a rejuvenated Black Point sub-basin, at same time as the deposition of the Joggins, Springhill Mines, and Polly Brook formations in the Athol Syncline on the south side of the salt wall. 4A) Deposition of Ragged Reef Formation in the south side of the salt wall with potentially continued deposition of the Grande Anse Formation north of the wall 3B) Option two: uplift and erosion processes dominate on the north side of the salt wall, at same time as the deposition of the Joggins, Springhill Mines, and Polly Brook formations in the south side of the salt wall. 4B) Deposition of the Grande Anse Formation concurrent with deposition of the Ragged Reef Formation after peneplanation of any topographic high associated with the salt wall. The deposition of these units may have been gradually onlapping to the north, or have been (angular) unconformable (north) to disconformable (south) on older strata.

Conceptual model of the evolution of the western Cumberland Basin during Ca... Available to Purchase

Published: 23 September 2021
Syncline on the south side of the salt wall. 4A) Deposition of Ragged Reef Formation in the south side of the salt wall with potentially continued deposition of the Grande Anse Formation north of the wall 3B) Option two: uplift and erosion processes dominate on the north side of the salt wall, at same
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Vertical distribution chart of palynomorph taxa in selected samples from the inland type section of Springhill Mines Formation, and lower part of Ragged Reef Formation, Springhill Mines corehole SH-5 (see Figure 11). Taxa occurrences ordered according to earliest occurrence. Semi-quantitative data show relative abundance of taxa. R = reworked.

Vertical distribution chart of palynomorph taxa in selected samples from th... Available to Purchase

Published: 01 June 2010
Figure 26. Vertical distribution chart of palynomorph taxa in selected samples from the inland type section of Springhill Mines Formation, and lower part of Ragged Reef Formation, Springhill Mines corehole SH-5 (see Figure 11 ). Taxa occurrences ordered according to earliest occurrence. Semi
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Composite vertical distribution chart of selected palynomorph taxa in the Mabou Group including Shepody and Claremont formations, and the Cumberland Group, including Boss Point, Little River, Joggins, Springhill Mines, Ragged Reef formations, and ‘Spicers Cove Formation’, Joggins section, Nova Scotia. See Figure 14 for biostratigraphic ages of the zones. Illustrations of selected palynomorphs referred to in the text. In the explanations of Plates 1–5, the species name is followed by the name, or names, of the authors and date of publication. This is followed by the GSC type number, the slide number, stage co-ordinates and GSC locality number. Stage co-ordinates (in mm) are from a Sensor Control Display digital readout, with the zero point of both X and Y axes set at the right hand corner of a 76 mm × 25 mm glass microscope slide (label on left side). All specimens are in the type collection of the Geological Survey of Canada, 601 Booth St., Ottawa, Ontario, Canada. The magnification of all illustrated specimens is approximately ×550 with the exception of Plate 4, no. 4 which is approximately ×85.

Composite vertical distribution chart of selected palynomorph taxa in the M... Available to Purchase

Published: 01 June 2010
Figure 28. Composite vertical distribution chart of selected palynomorph taxa in the Mabou Group including Shepody and Claremont formations, and the Cumberland Group, including Boss Point, Little River, Joggins, Springhill Mines, Ragged Reef formations, and ‘Spicers Cove Formation’, Joggins
Journal Article

Lithostratigraphic Revisions of the upper Carboniferous to lower Permian strata in the Cumberland Basin, Nova Scotia and the regional implications for the Maritimes Basin in Atlantic Canada Available to Purchase

R.J. Ryan, R.C. Boehner, J.H. Calder
Published: 01 December 1991
Bulletin of Canadian Petroleum Geology (1991) 39 (4): 289–314.
DOI: https://doi.org/10.35767/gscpgbull.39.4.289
...); 3. Polly Brook (new); 4. Joggins (redefined); 5. Springhill Mines (new); 6. Ragged Reef (new); 7. Malagash (new); and Pictou Group, 8. Balfron (new); 9. Tatamagouche (new); and 10. Cape John (redefined). The resulting revision of the groups is based upon formal formation subdivisions and utilizes...
View PDF for article title, Lithostratigraphic Revisions of the upper Carboniferous to lower Permian strata in the Cumberland Basin, Nova Scotia and the regional implications for the Maritimes Basin in Atlantic Canada
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Journal Article

Palynostratigraphy of Mississippian and Pennsylvanian rocks, Joggins area, Nova Scotia and New Brunswick, Canada Available to Purchase

John Utting, Peter S. Giles, Graham Dolby
Journal: Palynology
Published: 01 June 2010
Palynology (2010) 34 (1): 43–89.
DOI: https://doi.org/10.1080/01916121003620569
...Figure 4. Geographic distribution of rock units and location of samples in middle part of Joggins coastal section northeast of Shulie; Springhill Mines Formation coastal section; type section of Ragged Reef Formation. ...
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View PDF for article title, Palynostratigraphy of Mississippian and Pennsylvanian rocks, Joggins area, Nova Scotia and New Brunswick, Canada
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Stratigraphy of the Cumberland Basin and adjacent Hastings Uplift, modified from St. Peter and Johnson (2003) and Utting et al. (2010). Abbreviations: Chok., Cholkerian; Yead., Yeadonian; Astur., Asturian; Can., Cantabrian; St. B, Stephanian B; St. C, Stephanian C., Fm., Formation; N.S., Nova Scotia; Springhill M., Springhill Mines; Ragged R., Ragged Reef; Mbr., Member.

Stratigraphy of the Cumberland Basin and adjacent Hastings Uplift, modified... Available to Purchase

Published: 01 October 2013
., Nova Scotia; Springhill M., Springhill Mines; Ragged R., Ragged Reef; Mbr., Member.
Journal Article

The development of the Betton Farm Coral Bed within the Malton Oolite Member (Upper Jurassic, Middle Oxfordian) of the Scarborough District, North Yorkshire, UK Available to Purchase

John K. Wright, Peter F. Rawson
Published: 02 December 2014
Proceedings of the Yorkshire Geological Society (2014) 60 (2): 123–134.
DOI: https://doi.org/10.1144/pygs2014-351
... the encroaching sediment cut back the growth of the Thamnasteria considerably. Considered initially to represent the Coral Rag Member of the Coralline Oolite Formation, the Betton Farm Coral Bed is now seen to represent localized coral reef developments situated near the base of the Malton Oolite Member...
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View PDF for article title, The development of the Betton Farm Coral Bed within the Malton Oolite Member (Upper Jurassic, Middle Oxfordian) of the Scarborough District, North Yorkshire, UK
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Journal Article

Laminar micrite crusts and associated foreslope processes, Red Sea Available to Purchase

Thomas C. Brachert, Wolf-Christian Dullo
Published: 01 May 1991
Journal of Sedimentary Research (1991) 61 (3): 354–363.
DOI: https://doi.org/10.1306/D426770D-2B26-11D7-8648000102C1865D
...Thomas C. Brachert; Wolf-Christian Dullo Abstract Forereef slopes in the Red Sea of Sudan exhibit a uniform biozonation that is independent from the topography of the slopes. Below - 120 m, ledges protrude horizontally from sleep cliffs of barrier reefs and atolls as well as from patches of in situ...
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Figure 2. Chronostratigraphic position of the three successive Oxfordian coral reef horizons containing isotope samples used in this study (geochronological chart adapted from Hardenbol et al., 1998). The local lithostratigraphic nomenclature of reef horizons representing the three stages of coral reef evolution are: (1) Pioneering phase: Great Britain (localities 1, 2, and 3), Coral Rag; Lorraine (locality 4), Calcaires à coraux de Foug; Swiss Jura (6), Liesberg Member; and French Jura (7), Calcaires siliceux de Dôle and base of the Oolithe de Pagnoz. (2) Reef climax phase: Lorraine (4), Calcaires coralliens d'Euville; Burgundy (5), Complexe inférieur à polypiers; Swiss Jura (6), Saint-Ursanne Formation; French Jura (7), and Oolithe corallienne de Pagnoz. (3) Terminal reef phase: Burgundy (5), Complexe supérieur à polypiers; Lorraine (4), Calcaires à coraux de Pagny; and Swiss Jura (6), Günsberg Member. The coral reef complex from Cape Ghir, Morocco (locality 8) belongs to the Lalla Oujja Formation and may include the lowermost Kimmeridgian. Its coral diversity corresponds to the reef climax phase (Martin-Garin et al., 2007a).

Figure 2. Chronostratigraphic position of the three successive Oxfordian co... Available to Purchase

Published: 01 November 2010
of coral reef evolution are: (1) Pioneering phase: Great Britain (localities 1, 2, and 3), Coral Rag; Lorraine (locality 4), Calcaires à coraux de Foug; Swiss Jura (6), Liesberg Member; and French Jura (7), Calcaires siliceux de Dôle and base of the Oolithe de Pagnoz. (2) Reef climax phase: Lorraine (4
Journal Article

Deconvolving Signals of Tectonic and Climatic Controls From Continental Basins: An Example From the Late Paleozoic Cumberland Basin, Atlantic Canada Available to Purchase

Jonathan P. Allen, Christopher R. Fielding, Michael C. Rygel, Martin R. Gibling
Published: 01 October 2013
Journal of Sedimentary Research (2013) 83 (10): 847–872.
DOI: https://doi.org/10.2110/jsr.2013.58
... laterally amalgamated but vertically offset channel bodies; a second channel margin is observed to the right (black arrow). Hammer (circled) is 0.28 m. Ragged Reef Formation. B) View of two multistory sandstone bodies that display an extensive sheet-like architecture separated by well-drained floodplain...
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