Ore-Bearing Quartz–Light-Colored Mica Metasomatic Rocks in the Regional Precambrian Unconformity Zones in the Eastern Aldan Shield
Bibliographic record
Abstract
Abstract This article summarizes research results obtained for Late Proterozoic (1.32–1.15 Ga) ore-bearing (U, Mo, V, Zn, and Ag) quartz–light-colored mica metasomatic rocks of the Uchur–Ulkan region in the eastern Aldan Shield. Large faults and zones with structural and stratigraphic unconformities govern the development of mineralization. The study of the mineral composition of metasomatic rocks resulted in identification of sericite, hydrosericite, and roscoelite metasomatic rocks with quartz. Wallrock metasomatic features were described in gneisses, marbles, and volcanosedimentary rocks, and metasomatic zoning was revealed in rocks of different types. The overprinted metamorphic processes could be related to Late Proterozoic rejuvenation processes and extraction of ore components from rocks of the Ulkan Complex (1.72–1.68 Ga) at the metamorphic basement of the Siberian Platform and its platform cover. It is concluded that structural settings, age, and a number of composition characteristics, uranium ore deposits in the eastern Aldan Shield are similar to the Canadian and Onega “unconformity-type” deposits.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 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".