Sylvester, P. (Ed.) Laser-Ablation-ICPMS in the Earth Sciences. Principles and App1ications.Ottawa (Mineralogica1 Association of Canada), 2001. iv + 243 pp. Price $38.00 ($30.40 members). ISBN 0 921294 29 8.
Bibliographic record
Abstract
This is Volume 29 of the Short Course Series produced by the Mineralogical Society of Canada. Published in softback at an attractive price, the book attempts to review established procedures and instrumentation developed for Laser Ablation ICP-MS. Laser Ablation ICP-MS has become an important tool in the Earth Sciences, providing the possibility of measuring the chemical composition of minerals in situ for a wide range of elements at very low concentration levels. The comparatively recent development of magnetic sector, multicollector ICP-MS instruments has expanded the capabilities to measure a wide range of isotopic compositions. High precision isotopic measurements can be achieved within minerals on …
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.003 | 0.002 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.005 | 0.006 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.064 | 0.093 |
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".