Characterization of fractured serpentinite at Shulaps, Coquihalla, and Tulameen sites in British Columbia: Implications for carbon storage
Bibliographic record
Abstract
: This study presents a geological characterization of variably serpentinized harzburgite and dunite of the Shulaps, Coquihalla, and Tulameen sites in southwestern British Columbia. Surface geological data are used to determine the injectivity and reactivity for carbon storage via shallow CO 2 injection and mineralization. Injectivity into a fracture-hosted reservoir was assessed by measuring fracture intensity and connectivity, which were quantified on an outcrop scale and considered together with the physical properties of rock samples collected from the field sites. Pervasively serpentinized harzburgite from Shulaps and Coquihalla are more fractured than partially serpentinized harzburgite and dunite. Additionally, rock mineral content, bulk rock chemical composition and dissolution rates of selected samples were used to assess reactivity. Serpentinized dunite from Tulameen is more reactive than serpentinized harzburgite. The data collected can help assess baseline data, modeling inputs, and well-targeting.
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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 | 0.003 | 0.003 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 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".