Structural geometry in the Carbon Creek area of the Rocky Mountain Fold and Thrust Belt, northeastern British Columbia
Bibliographic record
Abstract
Research Article| September 01, 2002 Structural geometry in the Carbon Creek area of the Rocky Mountain Fold and Thrust Belt, northeastern British Columbia M.E. McMechan M.E. McMechan Geological Survey of Canada, 3303 - 33 Street NW, Calgary, AB T2L 2A7 Search for other works by this author on: GSW Google Scholar Bulletin of Canadian Petroleum Geology (2002) 50 (3): 407–418. https://doi.org/10.2113/50.3.407 Article history received: 05 Dec 2001 rev-recd: 15 May 2002 first online: 02 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 M.E. McMechan; Structural geometry in the Carbon Creek area of the Rocky Mountain Fold and Thrust Belt, northeastern British Columbia. Bulletin of Canadian Petroleum Geology 2002;; 50 (3): 407–418. doi: https://doi.org/10.2113/50.3.407 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 SocietyBulletin of Canadian Petroleum Geology Search Advanced Search Abstract The integration of seismic, surface and well data from the foothills of the Carbon Creek area, northeastern British Columbia show that the Foothills are thin-skinned with structures having formed above a major detachment in the Upper Devonian–Carboniferous Besa River Formation. Middle Devonian and older strata underlying the Besa River detachment were not deformed during Cretaceous–Eocene contractional deformation. Detachment folds, thrust faults and related fault-bend folds and tip folds dominate the structural style of Carboniferous to Triassic strata with local detachments within the Upper Carboniferous, lower Triassic, and upper Triassic indicated by structural discordance. A major regional detachment in the Jurassic Fernie Formation separates large-scale detachment folds and local duplexes in overlying strata from underlying structures. The duplexes have resulted in excess shortening of Fernie Formation and Jurassic–Cretaceous Minnes Group strata relative to overlying strata that is most reasonably balanced by two local triangle zones or tectonic wedges rather than one more regional zone.A thick sequence (up to 6 km) of pre-Windermere Proterozoic sediments, underlies the western extension of the Peace River Arch in the Foothills of the Carbon Creek area. The southeastward disappearance of the older Proterozic succession probably reflects a transverse step in the older Proterozoic sedimentary basin that likely coincides with the Hay River Fault. The Sukunka Uplift, an outboard high to the Peace River Embayment, had several hundred metres of east-side down motion in the Carbon Creek area during the late Paleozoic. The change from thick-skinned reactivated normal faults (northern Foothills) to thin-skinned reactivated normal faults at the north end of the Sukunka Uplift suggests the orientation of late Paleozoic normal faults may have influenced the deep structural style of the fold and thrust belt. 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 machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.004 | 0.009 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.025 | 0.002 |
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 source (direct Gemma or distilled Codex), 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".