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Amadjuak Formation

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Journal Article

Ordovician conodont biostratigraphy of northwestern Baffin Island, Nunavut, Canada, with new insights into the age and diachronism of the Ship Point Formation in the Foxe Basin Available to Purchase

Shunxin Zhang
Published: 14 February 2024
Canadian Journal of Earth Sciences (2024) 61 (3): 355–376.
DOI: https://doi.org/10.1139/cjes-2023-0101
... Formation and Upper Ordovician Frobisher Bay and Amadjuak formations. Nearly 7000 conodont specimens recovered from six sections on this peninsula allow the establishment of seven conodont zones throughout this succession: Rossodus manitouensis Taxon-range Zone, Acodus deltatus–Oneotodus costatus Assemblage...
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View PDF for article title, Ordovician conodont biostratigraphy of northwestern Baffin Island, Nunavut, Canada, with new insights into the age and diachronism of the Ship Point <span class="search-highlight">Formation</span> in the Foxe Basin
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Image
Fig. 10.

Conodonts and incertae sedis from the Upper Ordovician Frobisher Bay, Amadj... Available to Purchase

Published: 03 June 2013
Fig. 10. Conodonts and incertae sedis from the Upper Ordovician Frobisher Bay, Amadjuak, and Akpatok (?) formations. 1 . Staufferella lindstroemi (Ethington and Schumacher) (×30) from 62-14, Amadjuak Formation; posterior view of symmetric element. 2–7 . Panderodus liratus Nowlan and Barnes
Journal Article

Upper Ordovician conodont biostratigraphy and revised lithostratigraphy and geological map, Akpatok Island, Ungava Bay, Nunavut Available to Purchase

Shunxin Zhang
Published: 26 September 2017
Canadian Journal of Earth Sciences (2018) 55 (1): 52–69.
DOI: https://doi.org/10.1139/cjes-2017-0145
... based on limited data. New detailed field observations have recognized three stratigraphic units, namely the Amadjuak, Akpatok, and Foster Bay formations, in which extensive microfossil sampling recovered over 22 000 conodont elements from 66 productive samples from both outcrops and rubble at over 20...
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View PDF for article title, Upper Ordovician conodont biostratigraphy and revised lithostratigraphy and geological map, Akpatok Island, Ungava Bay, Nunavut
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Journal Article

Ordovician conodont biostratigraphy and redefinition of the age of lithostratigraphic units on northeastern Melville Peninsula, Nunavut Available to Purchase

Shunxin Zhang
Published: 03 June 2013
Canadian Journal of Earth Sciences (2013) 50 (8): 808–825.
DOI: https://doi.org/10.1139/cjes-2013-0009
...Fig. 10. Conodonts and incertae sedis from the Upper Ordovician Frobisher Bay, Amadjuak, and Akpatok (?) formations. 1 . Staufferella lindstroemi (Ethington and Schumacher) (×30) from 62-14, Amadjuak Formation; posterior view of symmetric element. 2–7 . Panderodus liratus Nowlan and Barnes...
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View PDF for article title, Ordovician conodont biostratigraphy and redefinition of the age of lithostratigraphic units on northeastern Melville Peninsula, Nunavut
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Journal Article

The stratigraphic position and the age of the Ordovician organic-rich intervals in the northern Hudson Bay, Hudson Strait, and Foxe basins—evidence from graptolites Available to Purchase

Shunxin Zhang, John F. Riva
Published: 09 March 2018
Canadian Journal of Earth Sciences (2018) 55 (8): 897–904.
DOI: https://doi.org/10.1139/cjes-2017-0266
... spiniferus and Amplexograptus praetypicalis in the lower Amadjuak Formation on southern Baffin Island. These data suggest that the organic-rich intervals in the northern Hudson Bay and Hudson Strait basins can be correlated to the Dicellograptus anceps and Paraorthograptus pacificus zones of the upper Katian...
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View PDF for article title, The stratigraphic position and the age of the Ordovician organic-rich intervals in the northern Hudson Bay, Hudson Strait, and Foxe basins—evidence from graptolites
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Image
Fig. 11.

Conodonts from the Upper Ordovician Frobisher Bay, Amadjuak, Akpatok (?) an... Available to Purchase

Published: 03 June 2013
Fig. 11. Conodonts from the Upper Ordovician Frobisher Bay, Amadjuak, Akpatok (?) and Foster Bay formations. 1–4 . Periodon grandis (Ethington) (×55) from 31-04, Amadjuak Formation; 1. outer lateral view of Pa element; 2. inner lateral view of Pb element; 3. outer lateral view of M element; 4
Image
Fig. 10.

Late Ordovician conodonts. 1–5. Amorphognathus ordovicicus Branson and M... Available to Purchase

Published: 26 September 2017
view of M element, GSC139184; 5. inner lateral views of Sb–Sc element, GSC139185. 6–9. Phragmodus undatus Branson and Mehl (×85) from SZ14-05A-02C, Amadjuak Formation; 6. outer lateral view of Pa element, GSC139186; 7. lateral view of S element, GSC139187; 8. outer lateral view of Pb element
Image
Conodont distribution and conodont zones in the Ship Point, Frobisher Bay, and Amadjuak formations at sections 3, 4, and 5 on northwestern Baffin Island.

Conodont distribution and conodont zones in the Ship Point, Frobisher Bay, ... Available to Purchase

Published: 14 February 2024
Fig. 4. Conodont distribution and conodont zones in the Ship Point, Frobisher Bay, and Amadjuak formations at sections 3, 4, and 5 on northwestern Baffin Island.
Image
Fig. 9.

Conodonts from the Lower Ordovician Ship Point Formation (1–17) and the Upp... Available to Purchase

Published: 03 June 2013
Fig. 9. Conodonts from the Lower Ordovician Ship Point Formation (1–17) and the Upper Ordovician Frobisher Bay, Amadjuak, and Akpatok (?) formations (18–28; 32–38) and incertae sedis. 1 . Oistodus scalenocarinatus Mound (×100) from 29-04; lateral view of oistodiform. 2–6 . Pteracontiodus
Image
Fig. 9.

Late Ordovician conodonts (Sg 2 , Sg 1 , Sc 1 , and Sc 0 represent grandif... Available to Purchase

Published: 26 September 2017
. sp. X McCracken (×60) from SZ15-16-04, Amadjuak Formation; inner lateral view of adenticulate triangular element, GSC139152. 2–3. Culumbodina occidentalis Sweet from SZ15-15-03, Akpatok Formation; 2. (×55), inner lateral views of bifid-cusp element, GSC139153; 3. (×42), inner lateral view
Image
Modified van Krevelen diagram showing the relationship between HI and OI for the samples from Upper Ordovician Amadjuak Formation on southern Baffin Island (modified from Zhang, 2012), from Cretaceous short cores in Cumberland Sound (modified from Zhang, 2013a), and from xenolith from drill hole CHI-482-10-DD01 in kimberlite CH-31 on the Hall Peninsula.

Modified van Krevelen diagram showing the relationship between HI and OI fo... Available to Purchase

Published: 01 September 2014
Figure 3 Modified van Krevelen diagram showing the relationship between HI and OI for the samples from Upper Ordovician Amadjuak Formation on southern Baffin Island (modified from Zhang, 2012 ), from Cretaceous short cores in Cumberland Sound (modified from Zhang, 2013a ), and from xenolith
Image
Fig. 7.

Typical lithology of Upper Ordovician units on Akpatok Island. (A) Amadjuak... Available to Purchase

Published: 26 September 2017
Fig. 7. Typical lithology of Upper Ordovician units on Akpatok Island. (A) Amadjuak Formation brown micritic limestone, interbedded with thin layers of chert and chert nodules that are circled with white at locality 14, area I. (B) Akpatok Formation grey to dark brownish grey, thin-medium bedded
Image
Fig. 4.

Graptolites from Southampton, Akpatok, and southern Baffin islands. (A) and... Available to Purchase

Published: 09 March 2018
Foster Bay Formation on Akpatok Island, with (F) showing enlargement of black box in (E), GSC139809. (G) and (H) Amplexograptus praetypicalis Riva, (G) full rhabdosome from the organic-rich interval of the lower Amadjuak Formation on southern Baffin Island, with (H) showing enlargement of black box
Image
Fig. 8.

Late Ordovician conodonts and incertae sedis. 1. Milaculum ethinclarki M... Available to Purchase

Published: 26 September 2017
curvatus (Branson and Branson) (×70) from SZ14-05-01C, Amadjuak Formation; 3. inner lateral view of unicostatiform element, GSC139111; 4. inner lateral view of curvatiform element, GSC139112; 5 and 6. lateral and lateral-posterior view of dyscritiform element, GSC139113; 7. inner lateral view
Journal Article

Conodonts recovered from the carbonate xenoliths in the kimberlites confirm the Paleozoic cover on the Hall Peninsula, Nunavut Available to Purchase

Shunxin Zhang, Jennifer Pell
Published: 16 January 2014
Canadian Journal of Earth Sciences (2014) 51 (2): 142–155.
DOI: https://doi.org/10.1139/cjes-2013-0171
... faunas provide reliable evidence on the Hall Peninsula for ( i ) reconstructing the Lower Paleozoic stratigraphic units, including the Upper Ordovician Frobisher Bay, Amadjuak, Akpatok, and Foster Bay formations, and the Lower Silurian Severn River Formation, ( ii ) estimating a total of 270–305 m...
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View PDF for article title, Conodonts recovered from the carbonate xenoliths in the kimberlites confirm the Paleozoic cover on the Hall Peninsula, Nunavut
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Conodonts (except for 24 and 26) from section 4, the Frobisher Bay and Amadjuak formations. (1‒7) Panderodus unicostatus (Branson and Mehl) (60×) from 04-06; 1, inner lateral view of compressiform element, NUFV 2585; 2, inner lateral view of subsymmetric graciliform element, NUFV 2586; 3, inner lateral view of truncatiform element, NUFV 2587; 4, lateral view of aequatiform element, NUFV 2588; 5, inner lateral view of asymmetric graciliform element, NUFV 2589; 6, inner lateral view of arcuatiform element, NUFV 2590; 7, inner lateral view of tortiform element, NUFV 2591. (8‒13) Panderodus liratus Nowlan and Barnes (60×) from 04-06; 8, inner lateral view of tortiform element, NUFV 2592; 9, inner lateral view of arcuatiform element, NUFV 2593; 10, inner lateral view of truncatiform element, NUFV 2594; 11, inner lateral view of asymmetric graciliform element, NUFV 2595; 12, inner lateral view of compressiform element, NUFV 2596; 13, inner lateral view of subsymmetric graciliform element, NUFV 2597. (14) Gen. et sp. indet. B (75×) from 04-16; posterior view, NUFV 2598. (15‒17) Panderodus breviusculus Barnes (×45) from 04-06; 15, inner lateral view of arcuatiform element, NUFV 2599; 16, inner lateral view of compressiform, NUFV 2600; 17, inner lateral view of asymmetric graciliform element, NUFV 2601. (18 and 19) Gen. et sp. indet. A (60×) from 04-16; lateral and posterior views, NUFV 2602. (20‒23) Walliserodus curvatus (Branson and Branson) (×120) from 04-06; 20, inner lateral view of curvatiform element, NUFV 2603; 21, inner lateral view of multicostatiform element, NUFV 2604; 22, posterior view of dyscritiform element, NUFV 2605; 23, inner lateral view of unicostatiform element, NUFV 2606. (24) Ptiloncodus harrisi Bordeau (non-conodont) (95×) from 05-20; posterior-lateral view, NUFV 2607. (25) Gen. et sp. indet. C (40×) from 04-12; inner lateral view, NUFV 2608. (26) Milaculum ethinclarki Müller (non-conodont) from 04-06; upper view, NUFV 2609.

Conodonts (except for 24 and 26) from section 4, the Frobisher Bay and Amad... Available to Purchase

Published: 14 February 2024
Fig. 10. Conodonts (except for 24 and 26) from section 4, the Frobisher Bay and Amadjuak formations. (1‒7) Panderodus unicostatus (Branson and Mehl) (60×) from 04-06; 1, inner lateral view of compressiform element, NUFV 2585; 2, inner lateral view of subsymmetric graciliform element, NUFV 2586
Journal Article

Discovery of organic-rich black shale xenolith from kimberlite on the Hall Peninsula, Nunavut and its implication for petroleum potential in Cumberland Sound Available to Purchase

Shunxin Zhang, Robert A. Creaser, Jennifer Pell
Published: 01 September 2014
Bulletin of Canadian Petroleum Geology (2014) 62 (3): 125–131.
DOI: https://doi.org/10.2113/gscpgbull.62.3.125
...Figure 3 Modified van Krevelen diagram showing the relationship between HI and OI for the samples from Upper Ordovician Amadjuak Formation on southern Baffin Island (modified from Zhang, 2012 ), from Cretaceous short cores in Cumberland Sound (modified from Zhang, 2013a ), and from xenolith...
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View PDF for article title, Discovery of organic-rich black shale xenolith from kimberlite on the Hall Peninsula, Nunavut and its implication for petroleum potential in Cumberland Sound
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Paleozoic stratigraphic succession of the Hudson Bay Basin, with major unconformities (U1, U2, and U3), organic-rich intervals, potential reservoir rocks, and major seismic-stratigraphic markers (as shown on Figure 5). Source rock intervals from Baffin Island, Ontario and Southampton Island correspond to the Amadjuak, Boas River, and Red Head Rapids Formations, respectively. AT = Attawapiskat reef.

Paleozoic stratigraphic succession of the Hudson Bay Basin, with major unco... Available to Purchase

Published: 01 May 2015
intervals from Baffin Island, Ontario and Southampton Island correspond to the Amadjuak, Boas River, and Red Head Rapids Formations, respectively. AT = Attawapiskat reef.
Journal Article

Conodont paleontology and biostratigraphy of Ordovician carbonates and petroliferous carbonates on Southampton, Baffin, and Akpatok islands in the eastern Canadian Arctic Free

Alexander D. McCracken, Godfrey S. Nowlan
Published: 01 October 1989
Canadian Journal of Earth Sciences (1989) 26 (10): 1880–1903.
DOI: https://doi.org/10.1139/e89-160
... barely overlaps that of A . ordovicicus in the middle Maysvillian. Carbonate beds and bedding-plane surfaces of the higher Red Head Rapids Formation at Sixteen Mile Brook yielded A . ordovicicus faunas containing Aphelognathus cf. A . divergens Sweet. These beds are likely Richmondian, since...
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Journal Article

The Paleozoic Hudson Bay Basin in northern Canada: New insights into hydrocarbon potential of a frontier intracratonic basin Available to Purchase

Denis Lavoie, Nicolas Pinet, Jim Dietrich, Zhuoheng Chen
Journal: AAPG Bulletin
Published: 01 May 2015
AAPG Bulletin (2015) 99 (5): 859–888.
DOI: https://doi.org/10.1306/12161414060
... intervals from Baffin Island, Ontario and Southampton Island correspond to the Amadjuak, Boas River, and Red Head Rapids Formations, respectively. AT = Attawapiskat reef. ...
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View PDF for article title, The Paleozoic Hudson Bay Basin in northern Canada: New insights into hydrocarbon potential of a frontier intracratonic basin
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