The Study of Microstructure Characters and the Condition of Metamorphism and Deformation of Garnets from Garnet—Mica Schist in the Tongbai Moutain,East Section of Shangnan—Danfeng Fault Belt
Bibliographic record
Abstract
To study the metamorphic—deformation condition of rocks in ductile of shear zone is an important step to investigate the orogenic process and mechanism.Microstructure and ultrastructure characters of minerals in rocks are true indications of deformation condition of the orogenic belt,and are the basis of the research on the deformation of orogenic belt.Based on the study of characteristics of dislocations and the types of dynamic recrystallization of garnets in garnet—mica schists in Tongbai Moutain,east section of Shangdan fault(Shangnan—Danfeng fault) belt,the types of the plastic deformation,the deformation mechanism and the condition of deformation of garnets are identified.Dislocations of garnets are mainly free dislocations and dislocation walls,and dislocation movement are mainly slips,slip planes are 1 /2 111 {110} and 100 {001}.The dynamic recrystallization of garnets is due to the subgrain growth and boundary migration.Formation condition of garnet mica schist is estimated:the temperature is 562~617℃,and the pressure is 0.77~1.02 GPa.Free dislocation density is 6.14×108/cm2,the differential stress is 0.511GPa and strain rate is 4.97536× 10-10 m/s.After systematic analysis we can draw a conclusion that there are some relationships between dislocation characters and the formation and evolution of the tectonic belt.The garnets had been subjected to early medium-grade regional metamorphism,then formed dislocations with high density and subgrains under the strong stress in the formation of shear zone,finally occurred plastic deformation and the bulging recrystallization which formed in the period of heat relaxation which had a relatively low stress.
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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 | 0.002 | 0.001 |
| 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) | 0.001 | 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".