Abstract: Gravity models over the Shubenacadie-Stewiacke Carboniferous subbasin, Colchester and Hants counties, Nova Scotia
Bibliographic record
Abstract
The gravity compilation over the low density evaporite Boehner in their early 1980s mapping and Boehner's major 1986 (salt) deposits in the Shubenacadie-Stewiacke Carboniferous Salt and Potash Resources in Nova Scotia, Bulletin No. 5, sedimentary subbasin of south central Nova Scotia has been provided the necessary background infonnation. The gravity expanded to cover the area 45°00' to 45°15'N and 63°15' to models have led to some significantly different interpretations .63°36'W at a standardized scale of I :35 000. The compilation from the earlier work. a) The Stewiacke Formation (salt) is now involves almost 1975 historic and modem gravity continuous along the axis of the basin but does not appear to stations. These data have now been contoured with the extend northwest of the Otter Brook and Roulston Comer faults Surfer contouring package to produce a more accurate or southeast of the Milford Station-Meadowvale fault system. It contoured representation of the gravity data. The addition of may be tenninated by a steeply dipping fault to the southwest. b) 235 stations to the west has allowed better definition of the To the northwest of the Otter Brook and Roulston Comer faults area of more positive Bouguer gravity anomaly values to the the Horton Group sedimentary rocks become much thinner. c) northwest and to extend the main negative anomaly to the The Admiral Rock Anticline is a salt-cored anticline and there is southwest. This work has been sponsored by CanEnerco no evidence for the northeasterly extension at the basement ridge Limited in support of exploration for possible underground of higher density Meguma Group metasedirnentary rocks in the storage of natural gas in salt caverns. core of the anticline. d) There is a suggestion of a buried granite Three geological cross-sectional models have been basement body in the Meguma Group metasedirnentary rocks in constructed across the axis of the basin along with one the southeast part of this area or alternatively there is a large area longitudinal model tied to two deep drillholes driJJed in the midof lower density Goldenville Formation quartzite. l 970's. These two boreholes provide the only calibration to the models to date. Geological sections produced by Giles and
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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".