Atlantic Universities Geoscience Conference Abstracts: 73rd Annual Conference, October 19–21, 2023
Bibliographic record
Abstract
The Lac Cinquante uranium deposit located in the western Churchill Province of Nunavut is currently characterized as a vein-type uranium deposit consisting of uranium mineralization concentrated in fractures, shear zones, and stockworks.The deposit is hosted by Archean basement rocks overlain by Proterozoic sedimentary and volcanic strata of the Baker Lake Group.The source of uranium in the Lac Cinquante deposit is unknown.We hypothesize that the uranium was either (1) leached and transported in hydrothermal basinal fluids through faults and fractures in the underlying Hudson and/or Nueltin Granitic Suite where it became deposited in the Baker Lake Basin, or (2) sourced from the host Baker Lake Group and the granitoid rocks provided the heat to drive the hydrothermal system that leached and precipitated uranium.Preliminary results after XRF analysis and petrographic study show zirconium to be associated with uranium mineralization, which may indicate high field strength element mobility in the hydrothermal fluids that circulated throughout the system.Furthermore, the XRF data shows evidence of two distinct mineralization events, one hosted in a calcite matrix, and the second disseminated in an albitic plagioclase matrix.These findings suggest that the deposit is characterized by hydrothermal uranium as well as vein-type mineralization.Future work will aim to resolve the timing of discrete mineralization events by U-Pb dating to produce a paragenetic sequence.Trace element analysis will be used to deduce the source of uranium for this deposit.
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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.005 |
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; both teacher heads agree on what is shown here.
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".