Silurian conodont biostratigraphy and carbon (δ13Ccarb) isotope stratigraphy of the Victor Mine (V-03-270-AH) core in the Moose River Basin

Author:

Bancroft Alyssa M.1,Brunton Frank R.2,Kleffner Mark A.3

Affiliation:

1. Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, USA.

2. Earth Resources and Geoscience Mapping Section, Ontario Geological Survey, Willet Green Miller Center, 933 Ramsey Lake Road, Sudbury, ON P3E 6B5, Canada.

3. School of Earth Sciences, The Ohio State University Lima, 4240 Campus Drive, Lima, OH 45804, USA.

Abstract

The Moose River Basin in Ontario, Canada, contains nearly 1 km of Silurian marine strata, and although it has been studied for more than a century, its precise correlation globally has not been constrained. Herein, a core from the Victor Mine in the Moose River Basin was examined for conodont biostratigraphy and carbonate carbon (δ13Ccarb) isotope chemostratigraphy to provide a detailed chronostratigraphic framework for the Silurian strata (Severn River, Ekwan River, and Attawapiskat formations) in the Moose River Basin. The recovery of Aspelundia expansa, Aspelundia fluegeli fluegeli, Distomodus staurognathoides, Ozarkodina polinclinata estonica, Pterospathodus eopennatus, and Aulacognathus bullatus, as well as the lower Aeronian, upper Aeronian, lower Telychian (Valgu), and ascending limb of the Sheinwoodian (Ireviken) positive carbonate carbon (δ13Ccarb) isotope excursions provide significantly improved chronostratigraphic correlation of Llandovery strata in the Moose River Basin.

Publisher

Canadian Science Publishing

Subject

General Earth and Planetary Sciences

Reference49 articles.

1. Armstrong, D.K. 2011. Re-evaluating the hydrocarbon resource potential of the Hudson Platform: Interim results from northern Ontario. In Summary of Field Work and Other Activities 2011. Ontario Geological Survey, Open File Report 6270, pp. 27-1–27-11.

2. Armstrong, D.K., McCracken, A.D., Asselin, E., and Brunton, F.R. 2013. The Hudson Platform project: Stratigraphy of the Aquitaine Sogepet et al. Pen No. 1 core. In Summary of Field Work and Other Activities 2013. Ontario Geological Survey, Open File Report 6290, pp. 34-1–34-21.

3. Armstrong, H.A. 1990. Conodonts from the Upper Ordovician – Lower Silurian carbonate platform of North Greenland. Grønlands Geologiske Undersøgelse, Bulletin 159, 151 pp.

4. The new chronostratigraphic classification of the Ordovician System and its relations to major regional series and stages and to δ13C chemostratigraphy

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