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Department of Geology, Saint Marys University, Halifax, NS B3H 3C3, pierre.jutras{at}smu.ca
Natural Resources Canada, Geological Survey of Canada, 3303 - 33rd Street, NW, Calgary, AB T2L 2A7
New Brunswick Department of Natural Resources and Energy, P.O. Box 50, Bathurst, NB E2A 3Z1
Upper Paleozoic successions in the area of Bathurst, New Brunswick, were studied in an attempt to solve longstanding stratigraphic debates and to correlate the Carboniferous geology of this area with that of the adjacent Gaspé Peninsula of Quebec. Based on new spore dates and petrographic analyses, the abandoned Bathurst Formation is reintroduced. Paleogeographic reconstructions from facies analysis and provenance studies indicate that the Mississippian Ristigouche Basin formed the source area of the Pennsylvanian Central Basin due to a fault inversion event that occurred near the MississippianPennsylvanian boundary. As a result, the Mississippian Bonaventure Formation, which was sourced from the south, is separated by the eastwest striking Rocky Brook-Millstream Fault from the lower Pennsylvanian Bathurst Formation, which was sourced from the north with reworked detritus of the former unit. A possible correlation is made between Pennsylvanian sedimentation in northern New Brunswick and Pennsylvanian faulting in the adjacent Gaspé Peninsula of Quebec.
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P. Jutras, R.A. Macrae, and J. Utting Visean tectonostratigraphy and basin architecture beneath the Pennsylvanian New Brunswick Platform of eastern Canada Bulletin of Canadian Petroleum Geology, September 1, 2007; 55(3): 217 - 236. [Abstract] [Full Text] [PDF] |
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