| Reference Type | Journal (article/letter/editorial) |
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| Title | Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Asselin, Esther | Author |
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| Achab, Aïcha | Author |
| Soufiane, Azzedine | Author |
| Year | 2004 (May 1) | Volume | 41 |
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| Issue | 5 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e03-094Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 483916 | Long-form Identifier | mindat:1:5:483916:7 |
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| GUID | 0 |
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| Full Reference | Asselin, Esther, Achab, Aïcha, Soufiane, Azzedine (2004) Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. Canadian Journal of Earth Sciences, 41 (5) 489-505 doi:10.1139/e03-094 |
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| Plain Text | Asselin, Esther, Achab, Aïcha, Soufiane, Azzedine (2004) Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. Canadian Journal of Earth Sciences, 41 (5) 489-505 doi:10.1139/e03-094 |
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| In | (2004, May) Canadian Journal of Earth Sciences Vol. 41 (5) Canadian Science Publishing |
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| Abstract/Notes | Chitinozoan studies recently carried out in the Appalachian Forelands and St. Lawrence Platform National Geoscience Mapping Program (NATMAP) project have confirmed the regional biostratigraphic value of a number of chitinozoan species and led to a better documentation of their stratigraphic and geographic distribution in eastern Canada. The typical Darriwilian microfaunas first described from the Table Head Group of western Newfoundland and containing Conochitina chydaea are now recognised in the Rivière Ouelle Formation at Les Méchins, Gaspé Peninsula. In the Upper Ordovician successions of the St. Lawrence Platform at Neuville and in the Charlevoix area, Quebec, Conochitina primitiva is indicative of the multidenspre-americanus graptolite zonal range, Hercochitina duplicitas of the americanus Zone, and Hercochitina spinetum and Acanthochitina cancellata characterize the ruedemanni lower spiniferus zonal interval. The occurrence of Cyathochitina vaurealensis and Hercochitina crickmayi in turbidite deposits of the Grog Brook Group of northwestern New Brunswick confirms the minimal facies dependence of these two Richmondian index species. Eisenackitina dolioliformis, characteristic of the late Aeronian and Telychian successions of Arctic Canada, Gaspé Peninsula, and Anticosti Island, is now recognised in samples from the Upsalquitch Formation of northwestern New Brunswick and the Cabano Formation of the Rimouski area in Quebec. The palynological data from Devonian successions of the Matapedia Valley, the Rimouski area, and the Beauce Eastern Townships region show that the succession of Lower Devonian chitinozoan assemblages of the Forillon Peninsula based on short-ranging species can be used in establishing regional correlations in the Gaspé Belt. |
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