Evaporite tectonics and the late Paleozoic stratigraphic development of the Cumberland basin, Appalachians of Atlantic Canada
Bibliographic record
Abstract
Research Article| May 01, 2013 Evaporite tectonics and the late Paleozoic stratigraphic development of the Cumberland basin, Appalachians of Atlantic Canada John W.F. Waldron; John W.F. Waldron † 1Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada †E-mail: john.waldron@ualberta.ca. Search for other works by this author on: GSW Google Scholar Michael C. Rygel; Michael C. Rygel 2Department of Geology, State University of New York, College at Potsdam, 44 Pierrepont Avenue, Potsdam, New York 13676, USA Search for other works by this author on: GSW Google Scholar Martin R. Gibling; Martin R. Gibling 3Department of Earth Sciences, Dalhousie University, 1459 Oxford Street, P.O. Box 15000, Halifax, Nova Scotia B3H 4R2, Canada Search for other works by this author on: GSW Google Scholar John H. Calder John H. Calder 4Nova Scotia Department of Natural Resources, P.O. Box 698, Halifax, Nova Scotia B3J 2T9, Canada Search for other works by this author on: GSW Google Scholar Author and Article Information John W.F. Waldron † 1Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada Michael C. Rygel 2Department of Geology, State University of New York, College at Potsdam, 44 Pierrepont Avenue, Potsdam, New York 13676, USA Martin R. Gibling 3Department of Earth Sciences, Dalhousie University, 1459 Oxford Street, P.O. Box 15000, Halifax, Nova Scotia B3H 4R2, Canada John H. Calder 4Nova Scotia Department of Natural Resources, P.O. Box 698, Halifax, Nova Scotia B3J 2T9, Canada †E-mail: john.waldron@ualberta.ca. Publisher: Geological Society of America Received: 28 Apr 2012 Revision Received: 11 Aug 2012 Accepted: 31 Aug 2012 First Online: 08 Mar 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 © 2013 Geological Society of America GSA Bulletin (2013) 125 (5-6): 945–960. https://doi.org/10.1130/B30718.1 Article history Received: 28 Apr 2012 Revision Received: 11 Aug 2012 Accepted: 31 Aug 2012 First Online: 08 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation John W.F. Waldron, Michael C. Rygel, Martin R. Gibling, John H. Calder; Evaporite tectonics and the late Paleozoic stratigraphic development of the Cumberland basin, Appalachians of Atlantic Canada. GSA Bulletin 2013;; 125 (5-6): 945–960. doi: https://doi.org/10.1130/B30718.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract The Cumberland basin is part of the large and deep Maritimes Basin of Atlantic Canada, interpreted to have developed at tropical latitudes in a tectonic environment of dextral strike slip. The predominantly Mississippian–Pennsylvanian basin fill includes a thick succession of Viséan evaporites of the Windsor Group. An overlying clastic succession includes, in the coal-bearing Cumberland Group, fossil forests with upright trees, preserved at the Joggins Fossil Cliffs United Nations Educational, Scientific, and Cultural Organization (UNESCO) World Heritage Site. Analysis of two-dimensional seismic profiles demonstrates that accommodation for the successions overlying the evaporites was provided by salt expulsion, which led to the development of broad open synclines separated by narrow isoclinal anticlines cored by salt. In the western part of the basin (Athol syncline), evaporites remained largely undisturbed until the Pennsylvanian, when their rapid expulsion accommodated accumulation of the thick Joggins succession. In the eastern part of the basin (Tatamagouche syncline), evaporite withdrawal began in the Viséan and continued during Serpukhovian time, providing accommodation for symmetric and wedge-shaped minibasins filled by Windsor and overlying Mabou Group strata. Only a small volume of evaporites remained to be expelled during Pennsylvanian thrusting along the southern basin margin; as a result, the Cumberland Group is relatively thin. To the north, the Black River, Wallace, and Pugwash synclines developed as minibasins having a character intermediate between the Athol and Tatamagouche synclines. Many of the halokinetic structures in the Cumberland basin are similar to those on salt-bearing passive continental margins. However, the tectonic environment in narrow fault-bounded basins encouraged vertical, rather than horizontal movement of salt and overlying sediments, and has produced characteristic inequant, oval minibasin geometries. These features may be characteristic of salt tectonics in strike-slip basins. Salt expulsion has strongly influenced the distribution of hydrocarbons and other resources in the basin. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".