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Laframboise Member

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Photomontage of outcrops used in composite section of the Ellis Bay Formation between Lousy Cove and Fox Point, eastern Anticosti Island (section 914). (A) Laframboise Member (lightest strata) exposed on the east coast. (B) Detail of biohermal texture in Laframboise Member. (C) Detail of oncolitic texture within Laframboise Member. (D) Massive Laframboise Member between disturbed beds of upper Lousy Cove Member (below) and well-bedded grainstones of Becscie Formation (above). (E) Erosional contact between overlying Becscie Formation skeletal grainstones and underlying oncolite platform bed of Laframboise Member.

Photomontage of outcrops used in composite section of the Ellis Bay Formati... Available to Purchase

Published: 01 July 2011
Figure 6. Photomontage of outcrops used in composite section of the Ellis Bay Formation between Lousy Cove and Fox Point, eastern Anticosti Island (section 914). (A) Laframboise Member (lightest strata) exposed on the east coast. (B) Detail of biohermal texture in Laframboise Member. (C) Detail
Journal Article

Terminal Ordovician carbon isotope stratigraphy and glacioeustatic sea-level change across Anticosti Island (Québec, Canada) Available to Purchase

David S. Jones, David A. Fike, Seth Finnegan, Woodward W. Fischer, Daniel P. Schrag, Dwight McCay
Journal: GSA Bulletin
Published: 01 July 2011
GSA Bulletin (2011) 123 (7-8): 1645–1664.
DOI: https://doi.org/10.1130/B30323.1
...Figure 6. Photomontage of outcrops used in composite section of the Ellis Bay Formation between Lousy Cove and Fox Point, eastern Anticosti Island (section 914). (A) Laframboise Member (lightest strata) exposed on the east coast. (B) Detail of biohermal texture in Laframboise Member. (C) Detail...
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View PDF for article title, Terminal Ordovician carbon isotope stratigraphy and glacioeustatic sea-level change across Anticosti Island (Québec, Canada)
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Photomontage of outcrops from the east-central sector at Salmon River and Macaire Creek. (A) Bioherms of the Laframboise Member overlying Lousy Cove Member (left bank of Salmon River). (B) Contact between Laframboise bioherms and Becscie skeletal grainstones (right bank of Salmon River). (C) Detail of Laframboise Member, illustrating transition from massive sandy carbonate grainstone to oncolite platform bed, which occurs at the level of the head of the pick (section D816). (D) Contact between Lousy Cove and Laframboise Members, 100 m upstream from section D816; bioherms are not developed here.

Photomontage of outcrops from the east-central sector at Salmon River and M... Available to Purchase

Published: 01 July 2011
Figure 5. Photomontage of outcrops from the east-central sector at Salmon River and Macaire Creek. (A) Bioherms of the Laframboise Member overlying Lousy Cove Member (left bank of Salmon River). (B) Contact between Laframboise bioherms and Becscie skeletal grainstones (right bank of Salmon River
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Photomontage of outcrops used in composite section of the Ellis Bay Formation at Laframboise Point, western sector of Anticosti Island. (A) Hummocky cross-stratified fine carbonate grainstones overlie nodular lime mudstones at Laframboise Point (sections D804 and 901). (B) Bioherms of the Laframboise Member are overlain by Becscie Formation skeletal grainstones (D804 and 901). (C–D) Details of contact between Laframboise Member and Becscie Formation at Laframboise Point demonstrating the complex relationship between the Laframboise bioherms and the overlying Becscie skeletal grainstones. Backpack for scale in C. Visible portion of measuring stick in D is 65 cm long.

Photomontage of outcrops used in composite section of the Ellis Bay Formati... Available to Purchase

Published: 01 July 2011
of the Laframboise Member are overlain by Becscie Formation skeletal grainstones (D804 and 901). (C–D) Details of contact between Laframboise Member and Becscie Formation at Laframboise Point demonstrating the complex relationship between the Laframboise bioherms and the overlying Becscie skeletal grainstones
Journal Article

ENDOBIOTIC CORNULITIDS IN UPPER ORDOVICIAN TABULATE CORALS AND STROMATOPOROIDS FROM ANTICOSTI ISLAND, QUEBEC Available to Purchase

OWEN A. DIXON
Published: 01 May 2010
Journal of Paleontology (2010) 84 (3): 518–528.
DOI: https://doi.org/10.1666/09-129.1
...OWEN A. DIXON Abstract Conoidal shells of Cornulites celatus n. sp. occur commonly within host coralla of Propora conferta Milne-Edwards and Haime, 1851 , sensu lato, from the Laframboise Member of the Ellis Bay Formation (Ashgill: Upper Ordovician) at Pointe Laframboise on western Anticosti Island...
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View PDF for article title, ENDOBIOTIC CORNULITIDS IN UPPER ORDOVICIAN TABULATE CORALS AND STROMATOPOROIDS FROM ANTICOSTI ISLAND, QUEBEC
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Composite δ13Ccarb data from multiple measured sections of outcrops from English Head to Laframboise Point and Cape Henri, western Anticosti Island. Data are from sections D821, D801–D806, and 901. See Figure 1 for section locations and Figure 8 for legend. Filled data points are from Ellis Bay Formation; open data points are from Becscie Formation. Member boundaries below the Laframboise Member have not been formalized on the west coast and are used here informally. LFB—Laframboise Member, VPDB—Vienna Peedee belemnite.

Composite δ 13 C carb data from multiple measured sections of outcrops fro... Available to Purchase

Published: 01 July 2011
are from Ellis Bay Formation; open data points are from Becscie Formation. Member boundaries below the Laframboise Member have not been formalized on the west coast and are used here informally. LFB—Laframboise Member, VPDB—Vienna Peedee belemnite.
Journal Article

Quasiaulacera , A New Hirnantian (Late ordovician) Aulaceratid Stromatoporoid Genus from Anticosti Island, Canada Available to Purchase

Paul Copper, Carl W. Stock, Jisuo Jin
Published: 01 July 2013
Journal of Paleontology (2013) 87 (4): 664–676.
DOI: https://doi.org/10.1666/12-150
... is rare or absent in the reefal Laframboise Member (uppermost Hirnantian) of the formation. The new genus differs from Aulacera in the underlying Vaureal Formation (upper Katian) in having a large central axial zone marked by a single stack of large, convex-up cyst-plates, that is surrounded by a middle...
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View PDF for article title, Quasiaulacera , A New Hirnantian (Late ordovician) Aulaceratid Stromatoporoid Genus from Anticosti Island, Canada
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Journal Article

A Hirnantian (latest Ordovician) reefal bryozoan fauna from Anticosti Island, eastern Canada: taxonomy and chemostratigraphy Available to Purchase

Andrej Ernst, Axel Munnecke
Published: 22 May 2009
Canadian Journal of Earth Sciences (2009) 46 (3): 207–229.
DOI: https://doi.org/10.1139/E09-017
...Andrej Ernst; Axel Munnecke Abstract The Natiscotec outcrop on Anticosti Island, Canada (Ellis Bay Formation, Laframboise Member, Hirnantian, Late Ordovician), exposes a patch reef some 20–30 m in diameter, 2–3 m thick, with abundant rugose corals, as well as favositids and heliolitids. Reef...
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View PDF for article title, A Hirnantian (latest Ordovician) reefal bryozoan fauna from Anticosti Island, eastern Canada: taxonomy and chemostratigraphy
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Stratigraphic section and stratigraphic range of some chitinozoans in the upper Vauréal, Ellis Bay, and lower Becscie formations at Pointe Laframboise, western Anticosti, based on data from Achab (1977, 1978, 1981), Soufiane and Achab, 2000a, and this study. Lfb.—Laframboise Member; S.C.—Schmitt Creek Member.

Stratigraphic section and stratigraphic range of some chitinozoans in the u... Available to Purchase

Published: 01 January 2011
Figure 5. Stratigraphic section and stratigraphic range of some chitinozoans in the upper Vauréal, Ellis Bay, and lower Becscie formations at Pointe Laframboise, western Anticosti, based on data from Achab (1977 , 1978 , 1981 ), Soufiane and Achab, 2000a , and this study. Lfb.—Laframboise
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A proposed west-east correlation model based on sequence stratigraphy and chitinozoan data. See Figures 5 and 7 for the lithological legends. TR—transgressive-regressive; Grinds.—Grindstone; Lfb—Laframboise Member; S.C.—Schmitt Creek Member; Vel.—Velleda Member.

A proposed west-east correlation model based on sequence stratigraphy and c... Available to Purchase

Published: 01 January 2011
Figure 11. A proposed west-east correlation model based on sequence stratigraphy and chitinozoan data. See Figures 5 and 7 for the lithological legends. TR—transgressive-regressive; Grinds.—Grindstone; Lfb—Laframboise Member; S.C.—Schmitt Creek Member; Vel.—Velleda Member.
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Sequence stratigraphy, δ13C composite isotope curve derived from Figure 3, and chitinozoans zones of the Ellis Bay Formation at both ends of Anticosti Island. LFB.—Laframboise Member; S.C.—Schmitt Creek Member.

Sequence stratigraphy, δ 13 C composite isotope curve derived from Figure ... Available to Purchase

Published: 01 January 2011
Figure 10. Sequence stratigraphy, δ 13 C composite isotope curve derived from Figure 3 , and chitinozoans zones of the Ellis Bay Formation at both ends of Anticosti Island. LFB.—Laframboise Member; S.C.—Schmitt Creek Member.
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Stratigraphic section, sample locations, and stratigraphic range of some chitinozoans in the upper Vauréal, Ellis Bay, and Becscie formations at Pointe du Renard, eastern Anticosti. Lfb.—Laframboise Member.

Stratigraphic section, sample locations, and stratigraphic range of some ch... Available to Purchase

Published: 01 January 2011
Figure 7. Stratigraphic section, sample locations, and stratigraphic range of some chitinozoans in the upper Vauréal, Ellis Bay, and Becscie formations at Pointe du Renard, eastern Anticosti. Lfb.—Laframboise Member.
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Stratigraphic section, sample locations, δ13C curve, and stratigraphic range of some chitinozoans in the uppermost Ellis Bay and lower Becscie formations at Pointe du Renard, eastern Anticosti. Lfb.—Laframboise Member.

Stratigraphic section, sample locations, δ 13 C curve, and stratigraphic ra... Available to Purchase

Published: 01 January 2011
Figure 8. Stratigraphic section, sample locations, δ 13 C curve, and stratigraphic range of some chitinozoans in the uppermost Ellis Bay and lower Becscie formations at Pointe du Renard, eastern Anticosti. Lfb.—Laframboise Member.
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Geologic map of Anticosti Island, modified from Desrochers and Gauthier (2009), showing locations of studied sections. Approximately 900 m of gently dipping Ordovician to Silurian stratigraphy are exposed on the island. The Laframboise Member of the Ellis Bay Formation is the main target of this work. It is the uppermost member of the Ellis Bay Formation, occurring just below the Ellis Bay–Becscie contact. Facies associations may be grouped into the western sector (west coast and sections near Laframboise Point: sections D801–D806, D821, 901), east-central sector (Natiscotec River tributary: section 920; Salmon River: sections D814, D816, D817, 908, 909, 911; and Macaire Creek: D813, D815, 912), and eastern sector (Lousy Cove to Fox Point: section 914).

Geologic map of Anticosti Island, modified from Desrochers and Gauthier (2... Available to Purchase

Published: 01 July 2011
Figure 1. Geologic map of Anticosti Island, modified from Desrochers and Gauthier (2009) , showing locations of studied sections. Approximately 900 m of gently dipping Ordovician to Silurian stratigraphy are exposed on the island. The Laframboise Member of the Ellis Bay Formation is the main
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Geochemistry and lithostratigraphy of the composite section from Lousy Cove to Fox Point Members, eastern Anticosti Island. Data are from section 914. Oncolite platform bed data are shaded in gray. Filled data points are from Ellis Bay Formation; open data points are from Becscie Formation. LFB—Laframboise Member, VPDB—Vienna Peedee belemnite. See Figure 8 for legend.

Geochemistry and lithostratigraphy of the composite section from Lousy Cove... Available to Purchase

Published: 01 July 2011
Formation. LFB—Laframboise Member, VPDB—Vienna Peedee belemnite. See Figure 8 for legend.
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Fig. 4.

Generalized stratigraphic section of the Ordovician–Silurian boundary reef ... Available to Purchase

Published: 06 December 2017
Fig. 4. Generalized stratigraphic section of the Ordovician–Silurian boundary reef section in eastern Anticosti Island. Thickness of the reef interval is variable, and the exact position of the Ordovician–Silurian boundary is a point of discussion, as noted. The lowest bed of the Laframboise
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The Anticosti Ordovician–Silurian boundary section reveals at least three major sea-level drawdowns, and possibly also two minor ones: one in the upper Mill Bay Member of the Vaureal Formation, the second in the upper Velleda Member, and the third on top of the Laframboise Member, at the O–S boundary. Correlations are here drawn with the extraordinarius Subzone (early Hirnantian) and the upper persculptus Zone (late Hirnantian), based on the presence of the Hirnantia fauna (i.e., Hindella–Eospirigerina), and sedimentologic criteria for sea-level drawdown (local channels, sand lobes, oncoid shoals, etc.). Mbr, Member.

The Anticosti Ordovician–Silurian boundary section reveals at least three m... Available to Purchase

Published: 06 February 2001
Fig. 3. The Anticosti Ordovician–Silurian boundary section reveals at least three major sea-level drawdowns, and possibly also two minor ones: one in the upper Mill Bay Member of the Vaureal Formation, the second in the upper Velleda Member, and the third on top of the Laframboise Member
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Geochemistry and lithostratigraphy of the composite section from the Macaire Creek section, central Anticosti Island. Data are from sections D815 and 912. Oncolite platform bed data are shaded in gray. Filled data points are from Ellis Bay Formation; open data points are from Becscie Formation. LFB—Laframboise Member, VPDB—Vienna Peedee belemnite. See Figure 8 for legend.

Geochemistry and lithostratigraphy of the composite section from the Macair... Available to Purchase

Published: 01 July 2011
Formation. LFB—Laframboise Member, VPDB—Vienna Peedee belemnite. See Figure 8 for legend.
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(A) Stratigraphy and biostratigraphy of the Ellis Bay Formation and adjoining beds, modified from Melchin (2008). Position of the Katian-Hirnantian boundary is contentious; most biostratigraphers argue for the base of the entire Ellis Bay Formation, and chemostratigraphers argue for the base of the Laframboise Member. See Figure 7 for lithological legend. (B) Generalized stratigraphy of Anticosti Island, modified from Petryk (1981); Long and Copper (1987a); Long (2007). H.—Hirnantian.

(A) Stratigraphy and biostratigraphy of the Ellis Bay Formation and adjoini... Available to Purchase

Published: 01 July 2011
for the base of the Laframboise Member. See Figure 7 for lithological legend. (B) Generalized stratigraphy of Anticosti Island, modified from Petryk (1981) ; Long and Copper (1987a) ; Long (2007) . H.—Hirnantian.
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Table 1 —Stratigraphic setting of endobiotic cornulitids on Anticosti Isla... Available to Purchase

Published: 01 May 2010
Table 1 —Stratigraphic setting of endobiotic cornulitids on Anticosti Island. Cornulites celatus n. sp. is known principally in coralla of Propora conferta s.l. from the Laframboise Member of the Ellis Bay Formation ( Appendix 1 , Locality 4a); other endobiotic cornulitids are known from