Mine drainage from Lynx 8 & 10 levels and its implications to reclamation & closure plans at Myra Falls Operations
Bibliographic record
Abstract
This paper summarizes mine drainage research conducted from 1997 to 1999 at the Lynx underground mine. The poly-metallic mine is part of Boliden-Westmin's Myra Falls Operations (MFO), located in Strathcona Provincial Park. The Lynx mine is situated on the lower slope of Phillips Ridge, receiving greater than two metres of precipitation annually. The mine's ore body is geologically hosted within a volcanogenic massive sulphide (VMS) deposit: and resultant acid rock drainage (ARD) is known to discharge from mine workings. The primary goal of the research program was to improve the understanding of the mine drainage from Lynx's 8 and 10 levels in order to help evaluate the longterm implications for mine closure. The quantity and quality of mine discharge waters and their relationships to\nprecipitation formed the technical basis of the study. The research findings indicate that seasonally acidic conditions occur in certain mine workings during the late summer and early fall months. The Lynx mine's\nhydrologie response to precipitation events is generally rapid, causing ARD products to be flushed-out during infiltration from freshet rains occurring in the fall. Data analysis and re-interpretations of previous research efforts indicate that the existing conceptual Closure Plan options for decommissioning the Lynx mine would not likely be sufficient to effectively seal the portals and mitigate mine drainage.
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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 | 0.000 |
| 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".