Lower Paleozoic Thermal Maturity and Hydrocarbon Potential of the Canadian Arctic Archipelago
Bibliographic record
Abstract
Research Article| June 01, 2009 Lower Paleozoic Thermal Maturity and Hydrocarbon Potential of the Canadian Arctic Archipelago Keith Dewing; Keith Dewing Geological Survey of Canada 3303 - 33rd Street NW Calgary, AB T2L 2A7 Search for other works by this author on: GSW Google Scholar Mark Obermajer Mark Obermajer Geological Survey of Canada 3303 - 33rd Street NW Calgary, AB T2L 2A7 Search for other works by this author on: GSW Google Scholar Author and Article Information Keith Dewing Geological Survey of Canada 3303 - 33rd Street NW Calgary, AB T2L 2A7 Mark Obermajer Geological Survey of Canada 3303 - 33rd Street NW Calgary, AB T2L 2A7 Publisher: Canadian Society of Petroleum Geologists Received: 29 Aug 2008 Accepted: 24 Mar 2009 First Online: 02 Mar 2017 Online ISSN: 2368-0261 Print ISSN: 0007-4802 © The Society of Canadian Petroleum Geologists Bulletin of Canadian Petroleum Geology (2009) 57 (2): 141–166. https://doi.org/10.2113/gscpgbull.57.2.141 Article history Received: 29 Aug 2008 Accepted: 24 Mar 2009 First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Keith Dewing, Mark Obermajer; Lower Paleozoic Thermal Maturity and Hydrocarbon Potential of the Canadian Arctic Archipelago. Bulletin of Canadian Petroleum Geology 2009;; 57 (2): 141–166. doi: https://doi.org/10.2113/gscpgbull.57.2.141 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 complex pattern of thermal maturity in lower Paleozoic strata of the Arctic Archipelago is thought to have resulted from three events: burial by Mid to Upper Devonian strata over much of the Arctic Islands, burial in the northern part of the islands by strata of the Sverdrup Basin, and Jurassic-Cretaceous rifting in the western Arctic. Key risks for hydrocarbon generation in lower Paleozoic strata are that: 1) hydrocarbon generation occurred before structural traps developed over much of the islands; and 2) there is an increased chance of petroleum destruction and/or leakage during the long time since hydrocarbon generation (380 m.y.). Preservation may be possible where evaporites acted as a seal, or where hydrocarbon generation took place more recently. Two conceptual hydrocarbon plays are envisaged:On eastern Bathurst Island, Lower Ordovician carbonates and overlying evaporites were folded during the Early Devonian. Hydrocarbons generated from Silurian source rock intervals during Late Devonian burial on western Bathurst Island could have migrated into these pre-existing fold traps and been preserved by the salt seal;Devonian strata were thin on northeastern Melville Island, Cameron Island, and below the Sverdrup Basin to the north, and Silurian source units retained most of their hydrocarbon-generating potential at the end of the Ellesmerian Orogeny. Burial by sediments of the Sverdrup Basin may have been sufficient to drive Silurian source units back into the oil or gas windows. Hydrocarbons generated during this second burial phase could be held in traps within the lower Paleozoic or the upper Paleozoic and Mesozoic successions.On Banks Island, Jurassic–Cretaceous rifting is inferred to have produced the high level of thermal maturity. However, little is known of the pre-Jurassic thermal history or source rocks. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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".